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5-20 Desktop Repair

Illustrated Parts Breakdown

This subsection contains the illustrated parts breakdown (IPB) and NEC part numbers for
the PowerMate desktop computer. Table Section 5-5 lists the field-replaceable parts for the
computer. Figure Section 5-31 is the illustrated parts breakdown.

NOTE:

In the U.S., call 1(800) 632-4525 to or-

der NEC spare parts. To order options in the
U.S., call your local sales office.

Table Section 5-5 PowerMate Desktop Field-Replaceable Parts List*

Item

Description

Part Number

1

Power Lamp, Hard Disk Drive Busy Lamp, and
Reset Button Assemblies

158-050685-004

2

3 1/2-inch x 1-inch, 1.44-MB Diskette Drive

808-870954-101A

3

3 1/2-inch Drive Bracket

158-050685-009

4

Desktop Chassis

158-050685-002

5

ISA/VL-Bus Backboard Bracket

158-050685-006

6

Diskette Drive Signal Cable

158-050690-000

7

Hard Disk Drive IDE Signal Cable

158-050691-000

8

Power Supply

158-050686-000

9

Top Cover

158-050685-001

10

ISA/VL-Bus Backboard

158-050689-000A

11

5 1/4-inch Device cage

158-050685-011

12

Heatsink for 486SX-33 and 486DX2-66 CPU

158-060299-000

13A

486SX-33 CPU PowerMate 433D

802-147605-004A

13B

486DX2-66 CPU PowerMate 466D

802-148060-003A

14

4-MB SIMM Stick

158-082457-000

15

Battery

158-056137-000

16

System Board (without CPU)

158-050687-000A

17

Speaker Assembly

158-050685-003

18

Power Button Cover and Spring

158-050685-008

19

Front Panel

158-050685-007

____________

* This data was prepared May 1994. For an up-to-date listing of spare parts, please call FastFacts (800) 366-0476 and
order document number 42180968.

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Содержание PowerMate 466M

Страница 1: ...erms of the Warranty Statement accompanying each product However actual performance of each such product is dependent upon factors such as system configuration customer data and operator control Since implementation by customers of each product may vary the suitability of specific product configurations and applications must be determined by the customer and is not warranted by NEC To allow for de...

Страница 2: ...rrupt Controller 1 9 Video Controller 1 10 Video Memory 1 12 ISA VL Bus Backboard 1 14 ISA Bus 1 14 VL Bus 1 14 Parallel Interface 1 15 Serial Interface 1 16 Indicator Panel 1 16 Power Supply 1 17 Diskette Drive 1 17 Hard Disk Drive 1 17 Keyboard 1 17 Section 2 Setup and Operation Unpacking and Repacking 2 1 Setup 2 1 Minitower Setup 2 5 System Configuration 2 8 Setup Utility 2 8 How to Start Setu...

Страница 3: ... 3 Options Internal Options 3 1 Desktop Cover Removal 3 2 Minitower Cover Removal 3 3 Expansion Board s 3 4 Desktop Expansion Board Installation 3 5 Minitower Expansion Board Installation 3 7 Expansion Board Troubleshooting 3 8 System Board Options 3 9 OverDrive Processor Installation 3 10 OverDrive Processor Troubleshooting 3 12 SIMM Memory Installation 3 13 SIMM Upgrade Path 3 13 SIMM Installati...

Страница 4: ...l Removal 3 32 Minitower 5 1 4 Inch Device Placement 3 34 Minitower 5 1 4 Inch Diskette Drive Cabling 3 35 Minitower 5 1 4 Inch Hard Disk Drive Cabling 3 36 Finishing Minitower 5 1 4 Inch Device Installation 3 37 Hard Disk Drive Troubleshooting 3 37 NEC SVGA Monitor 3 39 Connecting the Monitor 3 40 Front Control Panel 3 42 Rear Control Panel 3 43 NEC SVGA Monitor Troubleshooting 3 44 Section 4 Mai...

Страница 5: ...ly Removal 6 7 Power Button Cover Removal 6 8 Speaker Assembly Removal 6 9 SIMM Removal 6 10 3 1 2 inch Diskette Drive Removal 6 11 3 1 2 inch Hard Disk Drive Removal 6 13 5 1 4 Inch Device Removal 6 15 5 1 4 Inch Device Cage Removal 6 16 Power Supply Removal 6 17 System Board Removal 6 18 Battery Removal 6 20 Illustrated Parts Breakdown 6 21 Appendix A Connector Pin Assignments Serial Interface C...

Страница 6: ...tage Selector Switch 2 5 2 5 Minitower Peripheral Connections 2 6 2 6 Minitower Indicators Reset Button and Power Button 2 6 2 7 System Board Jumpers 2 24 3 1 Desktop Cover Screws 3 2 3 2 Removing The Desktop Cover 3 2 3 3 Minitower Cover Screws 3 3 3 4 Removing the Minitower Cover 3 4 3 5 Desktop Expansion Slots 3 5 3 6 Inside Expansion Slot Screw 3 6 3 7 Removing the Inside Expansion Slot Bracke...

Страница 7: ...osure 4 3 4 2 Removing the Mouse Ball Cover 4 4 5 1 Top Cover Screws 5 3 5 2 Removing the Top Cover 5 4 5 3 Expansion Slot Screw 5 5 5 4 Inside Expansion Slot Screw 5 5 5 5 Removing The Expansion Slot L Bracket 5 6 5 6 ISA VL Bus Backboard Screws 5 7 5 7 Indicator Panel Connectors 5 8 5 9 Speaker Screw 5 10 5 10 SIMM Socket 5 11 5 11 3 1 2 Inch Drive Bracket Screws 5 12 5 12 3 1 2 Inch Diskette an...

Страница 8: ...4 A 4 Power Supply Connector P3 P4 Pin Assignments A 6 List of Tables 1 1 System Board Chips 1 4 1 2 System Memory Map 1 6 1 3 I O Address Map 1 8 1 4 Interrupt Level Assignments 1 10 1 5 Text Modes 1 12 1 6 Graphic Modes 1 13 1 7 Parallel Port Addressing and Interrupts 1 15 1 8 Serial Port Addressing and Interrupts 1 16 2 1 Setup Key Functions 2 11 2 2 Legend Bar Main Menu Parameters 2 12 2 3 IDE...

Страница 9: ...nce 6 1 6 2 Connector Identifiers 6 19 6 3 Powermate Minitower Field Replaceable Parts List 6 21 6 4 Powermate Minitower Options 6 24 6 5 Powermate Minitower Documentation and Packaging 6 25 A 1 System Board Connector Descriptions A 2 A 2 Video Connector P8 Pin Assignments A 5 A 3 Speaker Connector P6 Pin Assignments A 5 A 4 Keyboard P1 and Mouse P2 Connector Pin Assignments A 6 A 5 Power Lamp Con...

Страница 10: ...Contents xiii ...

Страница 11: ...ooting includes recommended maintenance in formation and lists possible problem and solutions for computer Section 5 Desktop Repair includes a list of NEC service information and telephone num bers that provide access to the NEC Bulletin Board System BBS FastFacts and Techni cal Information Bulletins Included are desktop disassembly and reassembly procedures along with an illustrated parts breakdo...

Страница 12: ...nowledge DC direct current DIP dual in line package DLAB Divisor Latch Address bit DMA direct memory access DMAC DMA controller DOS disk operating system DRAM dynamic RAM DTE data terminal equipment ECC error checking and correction EGA Enhanced Graphics Adapter EPROM erasable and programmable ROM EVGA Enhanced Video Graphics Array F Fahrenheit FCC Federal Communications Commission FG frame ground...

Страница 13: ...flat package PIO parallel input output pixel picture element PLCC plastic lead chip carrier PLL phase lock loop p p peak to peak PPI programmable peripheral interface PROM programmable ROM QFP quad flat pack RAM random access memory RAMDAC RAM digital to analog RAS row address strobe RGB red green blue RGBI red green blue intensity ROM read only memory rpm revolutions per minute R read RTC real ti...

Страница 14: ...in assignments and Appendix B provides specifications An overview of each of the two system unit styles are described in the following subsec tions DESKTOP SYSTEM UNIT The desktop chassis provides an enclosure for the system board power supply four storage device slots and a five expansion slot ISA VESA Local Bus VL Bus backboard The storage device slots accommodate a 3 1 2 inch diskette drive a 3...

Страница 15: ...4 inch storage devices 1 6 inch height The system ships with a 3 1 2 inch diskette and a hard disk drive leaving three 5 1 4 inch storage device slots available for optional devices All minitower models share the system unit features shown in Figure Section 1 2 Figure Section 1 2 PowerMate Minitower System Unit Features Power Lamp Hard Disk Drive Busy Lamp Reset Button Power Button 3 1 2 Inch Acce...

Страница 16: ...econd ns single inline memory modules SIMMs expandable to 128 MB n 8 kilobyte KB primary cache 16 KB in the Intel486DX4 n optional 256 KB secondary cache module n Wingine video graphics array VGA controller and 32 bit Local Bus supports 640 x 480 with 16 8 million colors 24 bit true color 800 x 600 with 64 K colors 1024 x 768 resolution with 256 colors and 1280 x 1024 resolution with 16 colors 1 M...

Страница 17: ...el printer two buffered serial ports Table Section 1 1 lists the major chips on the system board See Section 2 Setup and Op eration for a description of the system board s jumpers See Appendix A Connector Pin Assignments for a list of the system board connectors Table Section 1 1 System Board Chips Chip Description 486SX PowerMate 433D 486DX2 PowerMate 466D and PowerMate 466M 486DX4 PowerMate 4100...

Страница 18: ...l registers refers to a memory loca tion alPowerMate mapped into its internal cache or performs a floating point operation and CPU operations The DX4 runs three times as fast internally When the interface portion accesses external registers it operates at 33 MHz and works at 100 MHz when accessing its internal registers Secondary Cache The 8 KB primary cache 16 KB of primary cache in the DX4 is in...

Страница 19: ...ximum performance System BIOS is located in the upper portion of the Flash ROM and video BIOS in the lower portion System BIOS is located between F0000h FFFFFh and supports shadowing and shadowed memory System BIOS is write protected and automatically enabled Video BIOS is located between C0000h and C7FFFh If the internal video is disabled this range is mapped to ISA The system memory map in shown...

Страница 20: ...diskette drive CD ROM reader or hard disk drive after a pre defined period of time As soon as activity is detected the system resumes where it left off When Power Management is enabled the computer automatically activates power saving features and enters a sleep mode whenever inactivity is sensed The computer s power saving functions are as follows n Reduces the CPU clock speed The CPU clock speed...

Страница 21: ... 0AF NMI non maskable interrupt mask 092 PS 2 alternate Fast A20 Gate Hot Reset 094 Extended system port NEC specific hardware setup 095 Extended system port NEC specific hardware setup 097 Extended system port NEC specific hardware setup 0A0 0BF Interrupt controller 2 0C0 0DF DMA controller 2 channel 4 7 0E0 0EF Reserved 170 177 2nd hard disk 1F0 1F7 1st hard disk 1F9 1FF Reserved 200 207 Game I ...

Страница 22: ...bits wide no parity bits SIMMs are 1 MB x 32 bit 4 MB 4 MB x 32 bit 16 MB and 8 MB x 32 bit 32 MB There are no switches or jumpers to set when SIMMs are added CAUTION SIMMs must match the tin metal plating used on the system board SIMM sockets When adding SIMMs use tin plated SIMMs SIMMs install directly on the system board Different size SIMMs may be intermixed Each SIMM is inserted into a socket...

Страница 23: ...Coprocessor IRQ14 Primary IDE fast IRQ15 Secondary IDE standard Industry standard locations Video Controller The 64300 Wingine DGX video controller with Local Bus video combines powerful ele ments aimed at addressing the requirements of personal computer designs State of the art techniques have been added for optimizing performance in computer graphic intensive ap plications and graphical user int...

Страница 24: ...e of performance which while measurable is not as significant nor as noticeable on the display The TrueColor RAMDAC provides 24 bit true color The integrated dual clock synthesizer allows full programmability of MCLK memory clock and PCLK pixel clock The inte grated clock synthesizer supports frequencies from 390 kHz to 120 MHz The 64300 sup ports up to 2 MB of display memory The video memory is 2...

Страница 25: ...350 28 2 31 7 70 01 3 16 40 x 25 B8000 360 x 400 28 2 31 7 70 02 1 16 grey 80 x 25 B8000 640 x 200 28 2 31 7 70 02 2 16 grey 80 x 25 B8000 640 x 350 28 2 31 7 70 02 3 16 80 x 25 B8000 720 x 400 28 2 31 7 70 03 1 16 80 x 25 B8000 640 x 200 28 2 31 7 70 03 2 16 80 x 25 B8000 640 x 350 28 2 31 7 70 03 3 16 80 x 25 B8000 720 x 400 28 2 31 7 70 07 4 mono 80 x 25 B8000 720 x 350 28 2 31 5 70 07 3 mono 8...

Страница 26: ...x 600 25 2 31 5 60 24 2 3 16 128 x 48 A0000 1024 x 768 32 6 31 5 73 30 2 256 80 x 30 A0000 640 x 480 36 0 35 5 56 32 2 256 100 x 37 A0000 800 x 600 40 0 38 0 60 34 2 3 256 128 x 48 A0000 1024 x 768 50 4 48 4 73 38 2 3 256 80 x 25 A0000 1280 x 1024 25 2 31 5 70 40 2 32k 80 x 30 A0000 640 x 480 25 2 31 5 60 41 2 64k 80 x 30 A0000 640 x 480 32 6 31 5 73 42 2 32k 100 x 37 A0000 800 x 600 25 2 31 5 70 ...

Страница 27: ...etween the system s local bus and a VL Bus option board graphics adapters disk controllers network cards and so on The VL Bus uses a standard 32 bit VESA connector and conforms with the VESA 1 1 local bus specification providing a set of standards that ensure compatible VL Bus option boards The boards op erate at the system clock speed 33 MHz with 0 wait states The VL Bus slot can support bus mast...

Страница 28: ...r settings Interrupt levels for the parallel port are given in Table Section 1 7 Software selectable base addresses are 3BCh 378h and 278h Parallel interface signals are output through the system board s 25 pin D subconnector The connector is located at the rear of the system unit Pin locations for the parallel interface connector are shown in Appendix A NOTE Any interrupts used for the built in p...

Страница 29: ...hown in Appendix A NOTE Any interrupts used for the built in serial ports are not available for ISA parallel ports Table Section 1 8 Serial Port Addressing and Interrupts Starting I O Address Interrupt Level Port 3F8 IRQ04 COM1 2F8 IRQ03 COM2 3E8 IRQ04 COM3 2E8 IRQ03 COM4 Default for serial port Serial interface specifications include n Baud rate up to 19 2 KB per second n Word length 5 6 7 or 8 b...

Страница 30: ...stalling an optional 5 1 4 inch diskette drive Specifications for the diskette drives are provided in Appendix B Specifications HARD DISK DRIVE The system provides IDE interface connectors on the system board The system board sup ports up to two IDE devices on the standard connector and two IDE devices on the fast lo cal bus IDE connector The system unit provides one storage slot for a 3 1 2 inch ...

Страница 31: ...ors transformers etc Place the carton on a sturdy surface and carefully unpack the system The carton contents include the system unit keyboard mouse power cord user documentation and system recovery diskette Repack the system using the original shipping carton and packing material Part numbers for replacement shipping cartons and packing material are available at the end of Sections 5 and 6 SETUP ...

Страница 32: ...e rear of the system set the voltage selector switch to 115V or 230V and in sert the power cord into the system power socket see Figure 2 1 CAUTION The correct AC input voltage must be properly set Select the appropriate voltage with the voltage selector switch located at the rear of the system Figure Section 2 1 Desktop Voltage Selector Switch System Power Socket Voltage Selector Switch ...

Страница 33: ...in Sections 3 Options Figure Section 2 2 Desktop Peripheral Connections 4 Press the power button to power on the system see Figure 2 4 The user lamps and reset button are also identified in the figure Figure Section 2 3 Desktop Lamps Reset Button and Power Button Mouse Port Keyboard Port Serial Port 1 Serial Port 2 Parallel Printer Port 15 Pin VGA Monitor Connector Power Lamp Hard Disk Drive Busy ...

Страница 34: ...hooting NOTE If the system displays a message indicating that system settings have changed run Setup see System Configuration later in this section If a problem occurs and is not indicated by beeps check the following items then turn to Section 4 for troubleshooting Check that n the power switch for the system unit and monitor are on n all cables and power cords are tightly connected n the electri...

Страница 35: ... the rear of the system set the voltage selector switch to 115V or 230V and in sert the power cord into the power socket see Figure 2 5 CAUTION The correct AC input voltage must be properly set Select the appropriate voltage with the voltage selector switch located at the rear of the system Figure Section 2 4 Minitower Voltage Selector Switch System Power Socket Switch Voltage Selector ...

Страница 36: ...tions Figure Section 2 5 Minitower Peripheral Connections 4 Press the power button to power on the system see Figure 2 8 The user lamps and reset button are also identified in the figure Figure Section 2 6 Minitower Indicators Reset Button and Power Button 15 Pin VGA Monitor Connector Parallel Printer Port Serial Port 2 Serial Port 1 Keyboard Port Mouse Port Slot Covers Expansion Power Lamp Hard D...

Страница 37: ...hooting NOTE If the system displays a message indicating that system settings have changed run Setup see System Configuration later in this section If a problem occurs and is not indicated by beeps check the following items then turn to Section 4 for troubleshooting Check that n the power switch for the system unit and monitor are on n all cables and power cords are tightly connected n the electri...

Страница 38: ...battery supplies continuous power to the CMOS memory and maintains configuration information when system power is off Setup Utility The Setup utility is used to view and set system parameters Use the Setup utility program n to set the time and date n to update or check system parameters when adding or removing expansion op tions n to correct a hardware discrepancy when the Power On Self Test POST ...

Страница 39: ...e Main Menu window contains the following areas n A title line the top line of the Main Menu This line displays the Setup utility name and copyright message n The menu bar the line under the Setup title line The menu bar contains five top level menus for setting system parameters n A Main Menu summary window the center area on the left side of the screen This area provides a summary of Main Menu S...

Страница 40: ...ives and video parameters Use this menu to check memory parameters n Advanced Use this menu to set serial port and printer port addresses and inter rupts to enable disable the system s diskette drive controller and dual IDE con trollers The Advanced menu also provides menu items for setting parity and for setting parameters for large disks for example to use large disks with Windows NT Some of the...

Страница 41: ... for the field F9 Loads the Default Configuration values for this menu F10 Loads the Previous Configuration values for this menu Enter Executes Command or Selects submenu Alt R Refreshes screen n Selecting a Menu Item To select a menu item use the arrow keys to move the cursor to the desired field Then use the value keys F5 F6 or space bar to cycle through the value for that field The Save Values ...

Страница 42: ...mary window have a right pointing triangle next to the parameter Use the arrow keys to move the cursor to parameter and press Enter to select a submenu See the sections following Table Section 2 2 for a description of Main Menu parameters from the summary window Table Section 2 2 Legend Bar Main Menu Parameters Parameter Options Description System Time HH MM SS Sets the system time System Date MM ...

Страница 43: ...er or slave see the documentation that comes with the device Select the IDE Adapter option configuration directly from the Main Menu summary win dow Available options include n IDE Adapter 0 Master n IDE Adapter 0 Slave n IDE Adapter 1 Master n IDE Adapter 1 Slave IDE Adapter 0 configures the fast IDE port primary channel IDE Adapter 1 configures the standard IDE port secondary channel Each IDE Ad...

Страница 44: ...e Precomp 1 to 2048 None Specifies number of the cylinder at which to change the write timing IDE drives do not require setting Landing Zone and Write Precomp Memory Shadow For memory shadowing parameters select Memory Shadow directly from the Main Menu summary window See the following table for a description of Memory Shadow parameters CAUTION Incorrect settings can cause the system to malfunctio...

Страница 45: ...r password control provides virus protection Setup prompt Enabled default Disabled Displays Press F2 for Setup during bootup POST errors Enabled default Disabled At boot error pauses and displays Press F1 to resume F2 for Setup Floppy check Enabled default Disabled Seeks diskette drives during bootup Disabling speeds boot time Summary screen Enabled default Disabled Describes system configuration ...

Страница 46: ...upervisor password Selecting Advanced from the menu bar on the Main Menu displays a menu with the following options n Integrated Peripherals n Parity n Large Disk Access Mode The following sections describe Advanced menu options CAUTION Setting items in this menu to incor rect values can cause the system to malfunction Integrated Peripherals Menu Select Integrated Peripherals menu on the Advanced ...

Страница 47: ...table settings Auto Selects a unique address and interrupt request for the LPT port Auto selects the next available combination The LPT port setting must match the system board JP9C jumper setting later in this section Diskette Controller Enabled default Disabled Enables the on board diskette drive controller IDE Controller Enabled default Disabled Enables the on board standard IDE controller seco...

Страница 48: ...ing Security from the Main Menu displays a menu with system security options NOTE Enter the Setup program with either a User or Supervisor password However more Setup choices are available with the Supervisor password CAUTION The features set in the Security menu affect the features that appear on the Secu rity menu as well as on other Setup menus Enabling Supervisor Password requires a password f...

Страница 49: ... on boot cold boot only no password required for warm boot Requires prior setting of the Supervisor and or User password If disabled password s are required for entering Setup but are not required for booting If Supervisor password is set and this option is disabled the BIOS boots without asking for a password Diskette access Supervisor default User Supervisor restricts use of diskette drives to s...

Страница 50: ... Customize default Max Power Savings Med Power Savings Min Power Savings Max Med and Min set power management options with predefined values Select Customize to make the own selections from the following fields Disabled turns off all power management Standby Timeout Disabled default User Selectable Inactivity period required to put system in Standby partial power shutdown Suspend Timeout Disabled ...

Страница 51: ...ry when the sys tem off After saving the selections the program displays this message Changes have been saved Press space to continue A prompt appears if attempting to exit without saving During bootup Setup attempts to load the values saved in NVRAM If the values saved in NVRAM cause the system boot to fail reboot and press F2 to enter Setup In Setup the default values as described below can be l...

Страница 52: ...F2 to run Setup with the ROM default values already loaded into the menus Other changes can be made before saving the values to NVRAM Load Previous Values During a Setup session if a mistake has been made and has not yet saved to NVRAM the previously saved NVRAM values can be restored Selecting Load Previous Values on the Exit menu updates all the selections and displays this message Previous valu...

Страница 53: ...rminal 2 From the Settings menu select Communications and check that the settings match the following BBS parameters n Baud rate 2400 bps n Parity none n Data bits 8 n Stop bits 1 3 Log onto the BBS n Click on the Phone menu item n Enter the BBS phone number 508 635 4706 n Click on OK 4 Press Enter twice 5 Enter your first name last name and password Press Enter after each 6 Follow the screen prom...

Страница 54: ...YSTEM BOARD JUMPERS Figure Section 2 7 shows the factory settings and locations of the system board jumpers Explanations of each follow the figure Figure Section 2 7 System Board Jumpers 1 2 3 1 2 3 1 2 3 3 2 1 2 3 1 3 1 4 2 7 5 8 6 11 9 13 15 12 10 14 16 19 17 20 18 A B D C E 2 3 1 Factory settings depend on system processor See the jumper descriptions JP9 JP1 JP3 JP2 JP12 JP11 JP6 ...

Страница 55: ... DX processor 1 2 Shorted DX based systems 2 3 Shorted SX based systems 1 2 Shorted 466D 466M 4100M 2 3 Shorted 433D JP6 CPU clock select jumper Sets the input clock speed to the CPU 1 2 Shorted CPU clock speed is 33 MHz 2 3 Shorted CPU clock speed is 25 MHz 1 2 Shorted JP9A Serial port 1 interrupt jumpers Selects the interrupt for serial port 1 1 2 Shorted IRQ4 3 4 Shorted IRQ10 1 2 Shorted JP9B ...

Страница 56: ...1 19 20 Shorted DACK3 19 20 Shorted JP11 Sleep mode power saver jumper Selects the processor clock speed in sleep mode 1 2 Shorted 16 MHz DX4 2 3 Shorted 8 MHz SX and DX2 1 2 Shorted 4100M 2 3 Shorted 433D 466D 466M JP12 Built in VGA controller jumper Enables and disables the built in VGA control 1 2 Shorted Enables the integrated VGA controller 2 3 Shorted Disables the integrated VGA controller 1...

Страница 57: ...When disassembling the system unit for option installation follow these general rules n Disconnect all peripherals n When handling boards or chips touch the system unit frame to discharge static n Do not disassemble parts other than those specified in the procedure n All screws are Phillips head unless otherwise specified n Label any removed connectors Note where the connector goes and in what pos...

Страница 58: ... and all other peripheral cables attached to the system unit 2 Remove the two cover screws shown in Figure Section 3 1 Figure Section 3 1 Desktop Cover Screws 3 Slide the top cover toward the rear about one inch 4 Lift the top cover up and off see Figure Section 3 2 Figure Section 3 2 Removing the Desktop Cover Screws ...

Страница 59: ...minitower cover as follows 1 Power off and unplug the keyboard mouse power cord and all other peripheral cables attached to the system unit 2 Remove the three cover screws shown in Figure Section 3 4 Figure Section 3 4 Minitower Cover Screws Screws ...

Страница 60: ...Removing the Minitower Cover Expansion Board s There are five ISA 8 16 bit expansion slots on the ISA backboard One of the five is an ISA VL Bus expansion slot Two of the expansion board slots are occupied by the sound board and fax modem board Expansion boards plug into the edge connector on the back board See Appendix A for ISA connector pin assignments ...

Страница 61: ...ction 3 8 Save the expansion slot cover in the event the expansion board is removed in the future To remove the expansion slot cover on the inside of the ISA VL Bus backboard remove the backside expansion slot screws shown in Figure Section 3 10 Figure Section 3 8 Desktop Expansion Slots ISA Slots ISA VL Bus Slot For three quarter length boards For half length boards Other slots are full length IS...

Страница 62: ...tach the L bracket to the expansion board being installed Figure Section 3 12 Removing the Inside Expansion Slot Bracket 4 Install the expansion board into an expansion slot connector When installing a full size expansion board make sure that the expansion board slides into the guide rail at the front of the system unit NOTE A full size expansion board cannot be installed into the backside expansi...

Страница 63: ...tion 3 14 Save the expansion slot cover in the event the expansion board is removed in the future Figure Section 3 14 Minitower Expansion Slots 3 Install the expansion board into an expansion slot connector When installing a full size expansion board make sure that the expansion board slides into the guide rail at the front of the system unit 4 Reinstall the expansion slot screw to secure the expa...

Страница 64: ... power outlet 2 Systematically eliminate possible shorted PCBs by removing cables and expansion boards Operating system does not boot An invalid configuration message is displayed 1 Press F2 to run the Setup and view parameters Expansion board malfunction Expansion board is not recognized 1 Reseat expansion board and cables 2 Check that pin one on cables and connectors match up 3 Install the expan...

Страница 65: ...chip Once the top cover is removed as previously described use Figure Section 3 16 to locate each of the system board option sockets The following subsection provide the procedures for installing each option into the system board Figure Section 3 16 System Board Option Sockets Secondary Cache Socket SIMM Sockets Video DRAM Sockets Video Cache Socket PGA OverDrive Socket Bank 0 U1 Bank 2 U10 Bank 1...

Страница 66: ...erDrive socket The procedure is the same for installing a math coprocessor or an OverDrive processor into the PGA OverDrive socket for both the desktop and minitower systems CAUTION Heatsinks are required for micro processors math coprocessors and OverDrive processors installed in the systems Heatsinks are available through NEC Install a OverDrive processor into the system board as follows 1 Remov...

Страница 67: ...20 OverDrive Processor Alignment 5 Set the jumper settings for the installed OverDrive processor see Section 2 Setup and Operation 6 Replace any removed expansion boards 7 Replace the top cover and run Setup to reconfigure the computer for the Over Drive processor see Section 2 Setup and Operation Alignment Hole Dot Notched Corner of Chip heatsink not shown ...

Страница 68: ... Problem Symptom Solution No power Power lamp on computer status panel will not light 1 Check that the power cord is plugged into the AC connector on the computer Check that the other end of the cord is plugged into a live properly grounded AC power outlet Operating system does not boot An invalid configuration message is displayed 1 Press F2 to run setup and view parameters OverDrive Processor ma...

Страница 69: ...it SIMM stick NOTE 32 bit SIMM kits are used in the U S and Canada only 36 bit SIMMs are used else where SIMM Upgrade Path The SIMM kits install into a SIMM socket on the system board Different size SIMM up grade kits may be intermixed Each kit is inserted into a socket or bank The SIMM kits in stall into the system board starting with the bank 0 U1 The system board s four SIMM sockets are assigne...

Страница 70: ...M 4 MB SIMM 16 MB SIMM 32 MB 16 MB SIMM 16 MB SIMM Empty Empty 32 MB 8 MB SIMM 8 MB SIMM 8 MB SIMM 8 MB SIMM 36 MB 4 MB SIMM 16 MB SIMM 16 MB SIMM Empty 40 MB 4 MB SIMM 4 MB SIMM 16 MB SIMM 16 MB SIMM 48 MB 16 MB SIMM 16 MB SIMM 16 MB SIMM Empty 52 MB 4 MB SIMM 16 MB SIMM 16 MB SIMM 16 MB SIMM 64 MB 16 MB SIMM 16 MB SIMM 16 MB SIMM 16 MB SIMM 72 MB 8 MB SIMM 32 MB SIMM 32 MB SIMM Empty 80 MB 16 MB...

Страница 71: ...SIMM into the SIMM socket at an angle then push the SIMM upright so that the clips hold the SIMM in place see Figure Section 3 1 Figure Section 3 1 SIMM Installation 3 Repeat steps 2 for each SIMM to be installed 4 Replace any removed expansion boards 5 Replace the top cover and run Setup to reconfigure the computer for the addi tional memory see Section 2 Setup and Operation 1 of 2 Clips ...

Страница 72: ...and Solutions Problem Symptom Solution No power Power lamp on computer status panel will not light 1 Check that the power cord is plugged into the AC connector on the computer Check that the other end of the cord is plugged into a live properly grounded AC power outlet Operating system does not boot An invalid configuration message is displayed 1 Press F2 to run setup and view parameters Memory ma...

Страница 73: ... into the socket on the system board shown in Error Reference source not found Install the secondary cache SIMM stick per Figure Section 3 3 and the following steps 1 Remove the top cover and any expansion boards covering the cache socket as previously described 2 Insert the cache SIMM stick into the optional cache socket so that the socket tab holds the SIMM in place Figure Section 3 3 Secondary ...

Страница 74: ...tion 3 7 Secondary Cache Problems and Solutions Problem Symptom Solution No power Power lamp on computer status panel will not light 1 Check that the power cord is plugged into the AC connector on the computer Check that the other end of the cord is plugged into a live properly grounded AC power outlet Operating system does not boot An invalid configuration message is displayed 1 Press F2 to run s...

Страница 75: ...ll the video cache chip Install the video DRAM modules into the system board as follows 1 Remove the top cover and any expansion boards covering video DRAM socket as previously described 2 Insert the video DRAM module into the video module socket aligning the notched end on the module with the alignment dot outside the video DRAM socket see Figure Section 3 5 3 Repeat step 2 to insert the second m...

Страница 76: ...Problems and Solutions Problem Symptom Solution No power Power lamp on computer status panel will not light 1 Check that the power cord is plugged into the AC connector on the computer Check that the other end of the cord is plugged into a live properly grounded AC power outlet Operating system does not boot An invalid configuration message is displayed 1 Press F2 to run setup and view parameters ...

Страница 77: ...nto the system board as follows 1 Remove the top cover and any expansion boards covering the video cache chip socket as previously described 2 Insert the video cache chip into the video cache socket aligning the low dot on the chip with the alignment dot outside the video cache socket see Figure Section 3 7 Figure Section 3 7 Video Cache RAM Chip Installation 3 Replace any removed expansion boards...

Страница 78: ...AM Chip Problems and Solutions Problem Symptom Solution No power Power lamp on computer status panel will not light 1 Check that the power cord is plugged into the AC connector on the computer Check that the other end of the cord is plugged into a live properly grounded AC power outlet Operating system does not boot An invalid configuration message is displayed 1 Press F2 to run setup and view par...

Страница 79: ...ler is incorporated into the system board The controller contains the circuitry and control functions needed to support up to two diskette drives See the 5 1 4 inch device installation instructions later in this section 5 1 4 Inch Diskette Drive Settings Specifications for the 5 1 4 inch 1 2 MB diskette drive is listed in Appendix B Specifica tions The standard 1 44 MB diskette drive setting is in...

Страница 80: ... bus system board IDE connector A hard disk controller board is not re quired The IDE drives described in this section are thin height 1 inch x 3 1 2 inch drives See the 5 1 4 inch device installation instructions later in this section Hard Disk Drive Settings The following IDE hard disk drives are available for installation in the system Systems come with a hard disk drive preinstalled in the com...

Страница 81: ...2340 2420 270 340 and 420 MB Hard Disk Drives Figure Section 3 15 CFS420 420 MB Hard Disk Drive Cable Select Configuration Dual Drives Two drives installed Master Two drives installed Slave One drive installed Factory Setting Front of Drive Signal Connector Power Connector C D C D Drive 1 and Drive 2 Master factory setting Drive 2 Slave ...

Страница 82: ...t NOTE Do not remove the 5 1 4 inch blank panel when installing a hard disk drive The 3 1 2 inch hard disk drives must be mounted in 5 1 4 inch bracket Desktop 3 1 2 inch Drive Bracket Removal Remove the 3 1 2 inch drive bracket from the desktop system unit as follows 1 Remove the top cover as previously described 2 Remove the four 3 1 2 inch drive bracket screws see Figure Section 3 17 3 Without ...

Страница 83: ... see Figure Section 3 19 n Power lamp connector P15 n Hard disk drive busy lamp connector P7 n Reset button connector P5 3 Remove the five front panel screws see Figure Section 3 19 4 Feed the lamp and reset cables through the hole in the front of system unit chassis when removing the front panel assembly Figure Section 3 19 Indicator Panel Connectors Blank Panel Front Panel Five Screws behind fro...

Страница 84: ...e device into the 5 1 4 inch device slot as follows 1 Remove the top cover front panel and 3 1 2 inch drive bracket as previously de scribed NOTE When installing 3 1 2 inch hard disk drives a 5 1 4 inch hard disk bracket must first be attached to the 3 1 2 inch hard disk drives 2 Slide the rear of the device into the 5 1 4 inch slot Be sure that the load release button on the diskette drives is on...

Страница 85: ... Inch Diskette Drive Cabling Cable an optional 5 1 4 inch diskette drive as follows 1 Locate the diskette drive signal cable connected to the 3 1 2 inch diskette drive and plug middle connector into the 5 1 4 inch diskette drive signal connector see Figure Section 3 25 NOTE When cabling the 5 1 4 inch device note that all power cables are keyed to fit only in the correct position The red edge of t...

Страница 86: ...2 inch hard disk drive and plug the middle connector into the signal connector on the hard disk drive in the 5 1 4 inch slot see Figure Section 3 27 NOTE When installing the drives note that all power and hard disk signal cables are keyed to fit only in the correct position Either of the hard disk drive signal cable connectors may be used for the hard disk drives The hard disk drives are configure...

Страница 87: ...2 Setup and Operation If a fault occurs at power on verify that the reassembly was performed correctly Reconfigure the computer for the hard disk drive by selecting hard disk drive In stalled in Setup Setup will automatically detect the hard disk type When in stalling a hard disk drive that cannot be detected use the Define Hard Disk Type to determine the hard disk drive type MINITOWER 5 1 4 INCH ...

Страница 88: ...Blank Panel Removal Remove the front panel assembly from the desktop chassis as follows 1 Remove the minitower cover as previously described 2 From the inside of the front panel release the blank panel tabs and remove the blank panel from the front panel see Figure Section 3 29 Figure Section 3 29 Minitower Blank Panel Removal Front Panel Blank Panels 1 of 2 Tabs inside view ...

Страница 89: ...3 32 Options 3 Remove the metal slot cover from the device cage by pushing the slot cover out from the inside of the cage see Figure Section 3 31 Figure Section 3 31 Device Cage Slot Cover Slot Covers ...

Страница 90: ...e the rear of the device into the 5 1 4 inch slot Be sure that the load release button on the diskette drive is on the right when sliding the drive into the device cage Align the holes on the 5 1 4 inch device with the holes in the device cage 3 Install the four device screws that were removed with the rails or that come with the kit two on each side of the drive cage see Figure Section 3 33 Figur...

Страница 91: ...tion 3 35 NOTE When cabling the 5 1 4 inch device note that all power cables are keyed to fit only in the correct position The red edge of the diskette drive signal cable is positioned as shown 2 Locate the power connector coming from the power supply and plug correct fit ting power cable into the device power connector see Figure Section 3 35 Figure Section 3 35 Minitower 5 1 4 Inch Diskette Driv...

Страница 92: ...te that all power and hard disk signal cables are keyed to fit only in the correct position Either of the hard disk drive signal cable connectors may be used for the hard disk drives The hard disk drives are configured by jumpers as master drive C and slave drive D The hard disk drive connectors are identified in Figure Section 3 13 2 Locate one of the larger power connectors coming from the power...

Страница 93: ...a fault occurs at power on verify that the reassembly was performed correctly 3 Reconfigure the computer for the hard disk drive by selecting hard disk drive In stalled in Setup Setup will automatically detect the hard disk type When in stalling a hard disk drive that cannot be detected use the Define Hard Disk Type to determine the hard disk drive type Hard Disk Drive Troubleshooting One beep ind...

Страница 94: ...to run setup and view parameters 2 Check installation of the operating system on the hard disk 3 Check to see if the system will boot from a diskette drive Keyboard or mouse malfunction Monitor has prompt but cannot input data 1 Check that the keyboard is plugged in 2 Check that the mouse is plugged in Diskette drive does not work Lamp on drive panel does not light when diskette is loaded 1 Check ...

Страница 95: ...upply and replace hard disk cable 5 Replace hard disk 6 Replace system board NEC SVGA MONITOR This subsection explains how to connect an NEC SVGA Monitor and perform all adjust ments switch settings and external controls Because each system board has an integrated video controller the monitor does not require a video controller board Use the following guidelines to set up the monitor n Place the m...

Страница 96: ...te number of colors limited only by hardware and software ap plications n accepts analog signal inputs The following is a list of the items included with the NEC SVGA Monitor n NEC SVGA Monitor with tilt swivel stand n Power cord n User s Manual Connecting the Monitor Connect the monitor to the computer as follows 1 Turn off the computer 2 Attach the monitor signal cable to the VGA monitor connect...

Страница 97: ...lug the other end into the AC wall outlet NOTE Figure Section 3 39 shows the monitor connection in the minitower orientation If the system unit in the figure were in the desktop position attach the monitor to the same connector Figure Section 3 39 Monitor Connections ...

Страница 98: ...rtical length of the screen move the control to the right to increase it move the control to the left n Brightness Control Use this control to adjust the brightness of the screen image Move the control to the right to dim the screen and left to make the screen brighter A brighter screen limits on screen glare n Contrast Control Use the contrast control to select how dark or light the moni tor s fo...

Страница 99: ...creen image n Horizontal Phase Horizontal Position Control Turn this knob to adjust the on screen image horizontal position Turn the knob clockwise to move the screen im age position to the right counterclockwise to move the screen image position to the left n Horizontal Hold 3 If the screen flickers use this control to steady the screen n Tilt Swivel Control The tilt swivel feature allows the use...

Страница 100: ...pletely seated in the computer s VGA monitor connector 2 If an ISA video controller board is used check that the controller board is completely seated into the ISA slot connector Review the instructions provided with the controller board 3 The power switch for both the monitor and computer should be on 4 Check the connector ends for bent or pushed in pins Screen image is not centered too small or ...

Страница 101: ...opriate menu to reach one of the following departments Information Center literature dealer locations sales leads response to ads NASC National Authorized Service Centers Administration new dealer service authorization warranty claims NSRC National Service Response Center questions other than products spare parts or technical support Service Contracts TAC Technical Assistance Center technical supp...

Страница 102: ...plugged System Unit Use the following procedure for cleaning the system 1 Power off the system and unplug all power cables 2 Periodically wipe the outside of the system unit keyboard mouse and monitor with a soft clean cloth Remove stains with a mild detergent Do not use solvents or strong abrasive cleaners on any part of the system 3 Clean the monitor screen with glass cleaner then wipe with a cl...

Страница 103: ...eable assem bly Therefore disassembly of the keyboard is necessary only when cleaning the inside Figure Section 4 1 Removing the Keyboard Enclosure 2 Separate the two halves of the enclosure Clean the enclosure and keys with a damp cloth A small soft bristle brush may be used to clean between the keys Do not wet or dampen the keyboard s printed circuit board PCB If the PCB acci dentally gets wet t...

Страница 104: ...Removing the Mouse Ball Cover 4 Turn the mouse over and remove the ball 5 Clean the mouse as follows n Clean the mouse ball with tap water and a mild detergent then dry it with a lint free cloth n Remove any dust and lint from the mouse socket 6 Replace the mouse ball into its socket 7 Replace the ball cover and turn it clockwise until it locks in place Routine Checks Make the following routine ch...

Страница 105: ...annot be used Contact technical support for update information A message states that the system s version of BIOS cannot be updated by diskette because it s not a supported version Contact technical support for update information An error indicates that the system BIOS reprogramming is not enabled or possibly that no Flash ROM is installed The utility cannot be used A message indicates that the up...

Страница 106: ...ed AC power outlet 2 Check cable connections between power supply and system board 3 Systematically eliminate possibly shorted PCBs by removing cables and expansion boards 4 Check the 5 and 12 power supply voltages see Appendix A Connector Pin Assignments Measure voltages with the system board installed 5 Replace power supply 6 Replace system board Power supply malfunction Any one or more of the f...

Страница 107: ...parameters 2 Replace the battery if the date and time must be set each time the computer is powered on Computer halts during loading sequence 1 Power the computer off Check for proper jumper settings see Section 2 then power on the computer 2 Check condition of selected bootload device diskette or hard disk for bad boot track or incorrect OS files 3 Try booting OS from diskette or recopy OS files ...

Страница 108: ...ings refer to Section 3 3 Check power supply and replace hard disk cable 4 Replace hard disk 5 Replace system board or hard disk controller PCB if system board is not used Memory malfunction Total memory is not recognized 1 Reseat SIMMs 2 Systematically swap SIMMs 3 Check to see if the SIMM configuration is valid See Section 3 3 Replace SIMMs 4 Replace system board Keyboard or mouse malfunction Mo...

Страница 109: ...the built in video controller and DRAM Wavey display 1 Check that the computer and monitor are not near motors or electric fields Blank display 1 Check that built in VGA see Section 2 or optional video board if installed is enabled 2 Check that the monitor power ON OFF switch is ON 3 Check cable connections between the AC power supply and monitor 4 Adjust brightness and contrast controls on the mo...

Страница 110: ...a the diagnostic port and the speaker Table Section 4 4 Diagnostic Output and Beep Codes Diagnostic Port Output Beep Codes Description of Test or Failure EB_PDIF EQU0400h Pointing device interface failure mouse E_REGS EQU 01h 80486 register test in progress E_CRAM EQU 02h 1 1 3 CMOS write read test in progress or failure E_BROM EQU 03h 1 1 4 BIOS ROM checksum in progress or failure E_TIMR EQU 04h ...

Страница 111: ...3 1st 64 K RAM chip or data line failure bit E E_MBIT EQU 1Fh 2 4 4 1st 64 K RAM chip or data line failure bit F E_DMAS EQU 20h 3 1 1 Slave DMA register test in progress or failure E_DMAM EQU 21h 3 1 2 Master DMA register test in progress or failure E_PIC0 EQU 22h 3 1 3 Master interrupt mask register test in progress or failure E_PIC1 EQU 23h 3 1 4 Slave interrupt mask register test in progress or...

Страница 112: ...n of Test or Failure E_TIMRI EQU 34h 4 2 1 Timer tick interrupt test in progress or failure E_SHUTD EQU 35h 4 2 2 Shutdown test in progress or failure E_GTA20 EQU 36h 4 2 3 Gate A20 failure E_PMUXI EQU 37h 4 2 4 Unexpected interrupt in protected mode E_BAMEM EQU 38h 4 3 1 RAM test in progress or failure above address 0FFFFh E_TIMR2 EQU 3Ah 4 3 3 Interval timer channel 2 test in progress or failure...

Страница 113: ... sys tem unit follow the disassembly order listed in Table Section 5 1 To reassemble follow the table in reverse order Individual removal procedures do not require the total disassembly of the computer Each of the following subsections lists the parts that must be removed before beginning the re moval procedure To reassemble follow the procedure in reverse order Table Section 5 1 PowerMate Desktop...

Страница 114: ...an those specified in the procedure n All screws are Phillips head unless otherwise specified n Label all removed connectors Note where the connector goes and in what posi tion it was installed On completion of any reassembly perform a power on test see in Section 2 Setup and Operation If a fault occurs verify that the reassembly was performed correctly CAUTION When handling boards or chips ground...

Страница 115: ...Voltage is present in side the system unit even after the power is off All voltage is removed only when the power cord is unplugged 1 Power off and unplug the keyboard mouse power and all other peripheral cables attached to the system unit 2 Remove the two cover screws shown in Figure Section 5 1 Figure Section 5 1 Top Cover Screws Screws ...

Страница 116: ...xpansion board s us ing Figure Section 5 4 through Figure Section 5 7 and the following steps 1 Remove the top cover as previously described 2 Disconnect any cables leading from the expansion board s The sound board has an audio cable attached 3 Remove the screw from the expansion slot bracket see Figure Section 5 4 To remove the fax modem board or a board on the inside of the ISA VL Bus backboard...

Страница 117: ...on 5 4 Expansion Slot Screw Figure Section 5 4 Inside Expansion Slot Screw 4 Remove the board from the expansion slot Expansion Board Screw ISA VL Bus Backoard Expansion Board installed in ISA VL Bus slot Inside Expansion Slot Screw ...

Страница 118: ...the backside of the ISA VL Bus back board separate the inside expansion slot L bracket from the expansion board by removing the screw shown in Figure Section 5 7 Figure Section 5 7 Removing the Expansion Slot L Bracket Screw Expansion Board Bracket L Bracket ...

Страница 119: ...Lift the backboard away from the bracket and out of the system unit Figure Section 5 7 ISA VL Bus Backboard Screws Front Panel Assembly Removal Remove the front panel assembly from the system unit as follows 1 Remove the top cover as previously described 2 Unplug the following cables from their connectors see Figure Section 5 9 n Power lamp connector P15 n Hard disk drive busy lamp connector P7 n ...

Страница 120: ... front of system unit chassis when removing the front panel assembly Figure Section 5 9 Indicator Panel Connectors 5 Separate the lamps and reset button from the front panel assembly by pulling them out from their socket in the panel assembly Five Screws behind front panel Blank Panels Front Panel Lamp and Reset Button Connectors not shown ...

Страница 121: ... as follows 1 Remove the top cover and front panel as previously described 2 Release the four power button tabs and push the tabs through the front panel 3 Remove the power button from the front of the panel Figure Section 5 11 Power Button Tabs Inside Front Panel scid 91b 1 of 4 Power Button Tabs ...

Страница 122: ...p cover as previously described 2 Unplug the speaker connector P6 on the system board 3 Remove the speaker screw from the side of the device cage see Figure Section 5 12 4 Lift the speaker from the slot in the device cage Figure Section 5 12 Speaker Screw Speaker Screw Device Cage To Connector P6 on System Board ...

Страница 123: ... at each end of the SIMM stick the clips are part of the system board s connectors Tilt the SIMM stick forward allowing the post to slide out of the hole in the SIMM stick 3 Remove the SIMM stick from the system board Repeat step 2 for each SIMM to be removed NOTE If more information is needed see the installation instructions in Section 3 Options Figure Section 5 14 SIMM Socket Clips Hole Post ...

Страница 124: ...ower cable and signal cable from the hard disk drive NOTE When reinstalling the drives note that all power cables are keyed to fit only in the cor rect position The red edge of the diskette drive signal cable is positioned as shown 4 Remove the four 3 1 2 inch drive bracket screws see Figure Section 5 15 Figure Section 5 15 3 1 2 Inch Drive Bracket Screws 1 of 4 Drive Bracket Screws 3 1 2 Inch Dri...

Страница 125: ...ove the two 3 1 2 inch hard disk drive screws two on each side of the drive bracket see Figure Section 5 17 6 Pull the drives out from the front of the bracket Figure Section 5 17 3 1 2 Inch Diskette and Hard Disk Drive Screws 3 1 2 Inch Diskette Drive 3 1 2 Inch Hard Disk Drive 2 of 4 Diskette Drive Screws 2 of 4 Hard Disk Drive Screws ...

Страница 126: ...9 The CD ROM reader also requires the audio cable to be disconnected from the device 3 Remove the four device screws two from each side of the 5 1 4 inch device cage see Figure Section 5 19 4 Remove the device out of the 5 1 4 inch device cage from the front of the system unit NOTE When reinstalling the 5 1 4 inch device note that all power cables are keyed to fit only in the correct position The ...

Страница 127: ...nel and 3 1 2 inch drive bracket as previously de scribed 2 Unplug all signal and power cables from the device s in the 5 1 4 inch device cage see Figure Section 5 19 The CD ROM reader also requires the audio ca ble to be disconnected from the device 3 Remove the four device cage screws from the front of the device cage see Figure Section 5 21 4 Pull the device cage out from the inside of the syst...

Страница 128: ...front panel as previously described 2 Unplug the two power cables attached to the system board s connectors 3 Unplug the power cables from all installed devices 4 Remove the two screws securing the power button to the front of the system unit see Figure Section 5 23 Figure Section 5 23 Power Button Screws Power Button Screws ...

Страница 129: ...t of the system unit Figure Section 5 25 Power Supply Screws System Board Removal Remove the system board per Figure Section 5 27 and the following steps 1 Remove the following components as previously described n top cover n 3 1 2 inch drive bracket n expansion slot boards n ISA VL Bus backboard n SIMMs installed on the system board NOTE Remove any installed options see Section 3 Power Supply Scr...

Страница 130: ...Remove the system board out the side of the system unit Figure Section 5 27 System Board Connectors and Screws Table Section 5 3 Connector Identifiers Connector Function Connector Label Power supply P3 P4 Local IDE hard disk drive connector P8 Standard IDE connector not used P14 Diskette drive connector P13 Speaker P6 Power lamp P15 Hard disk drive busy lamp P7 Reset Button P5 Power Connectors Dis...

Страница 131: ... shown in Figure Section 5 27 3 Lift the battery spring clip securing the battery in see Figure Section 5 29 CAUTION When replacing the battery be sure to insert the battery so that the positive side is facing up Figure Section 5 29 Battery Replacement 4 After installing a new battery the time date etc may need to be reset Run the Setup utility program that came with the system see Section 2 Clip ...

Страница 132: ...e Bracket 158 050685 009 4 Desktop Chassis 158 050685 002 5 ISA VL Bus Backboard Bracket 158 050685 006 6 Diskette Drive Signal Cable 158 050690 000 7 Hard Disk Drive IDE Signal Cable 158 050691 000 8 Power Supply 158 050686 000 9 Top Cover 158 050685 001 10 ISA VL Bus Backboard 158 050689 000A 11 5 1 4 inch Device cage 158 050685 011 12 Heatsink for 486SX 33 and 486DX2 66 CPU 158 060299 000 13A 4...

Страница 133: ...85 010 21A PowerMate 433D Logo 158 030580 000 21B PowerMate 466D Logo 158 030580 002 22 NEC Mouse PS 2 compatible 158 050484 002 23A 3 1 2 inch x 1 inch 270 MB Hard Disk 158 050693 000 23B 3 1 2 inch x 1 inch 340 MB Hard Disk 158 050693 001 23C 3 1 2 inch x 1 inch 420 MB Hard Disk 158 050693 002 24 Power Cord 158 050697 000 25 Keyboard 158 050707 000 ...

Страница 134: ...Figure Section 5 31 PowerMate Desktop Illustrated Parts Breakdown ____________ This data was prepared May 1994 For an up to date listing of spare parts please call FastFacts 800 366 0476 and order document number 42180968 ...

Страница 135: ...t 158 053747 000 1 2 MB Diskette Drive Kit 158 053476 000 270 MB Hard Disk Drive Kit 158 053407 011 340 MB Hard Disk Drive Kit 158 053437 008 420 MB Hard Disk Drive Kit 158 053407 013 NEC SVGA Monitor 158 053605 000 MultiSync 3FGe Color Monitor 08119705 MultiSync 4FGe Color Monitor 08119709 MultiSync 5FGe Color Monitor 08119343 MultiSync 6FG Color Monitor 08119337 Printer Cable 808 857782 001A RS ...

Страница 136: ...eries System User s Guide 819 180950 000 PowerMate Series Quick Setup 819 180955 000 PowerMate Series Service and Reference Manual 819 180968 000 PowerMate Desktop Shipping Carton 158 040442 000 Shipping Carton Inserts 4 158 040395 004 ____________ This data was prepared May 1994 For an up to date listing of spare parts please call FastFacts 800 366 0476 and order document number 42180968 ...

Страница 137: ...tem unit follow the disassembly order listed in Table Section 6 1 To reassemble follow the table in reverse order Individual removal procedures do not require the total disassembly of the computer Each of the following subsections lists the parts that must be removed before beginning the re moval procedure To reassemble follow the procedure in reverse order Table Section 6 1 PowerMate Minitower Di...

Страница 138: ...other than those specified in the procedure n All screws are Phillips head unless otherwise specified n Label all removed connectors Note where the connector goes and in what posi tion it was installed On completion of any reassembly perform a power on test see Check in Section 2 If a fault occurs verify that the reassembly was performed correctly CAUTION When handling boards or chips ground yours...

Страница 139: ...ltage is present in side the system unit even after the power is off All voltage is removed only when the power cord is unplugged 1 Power off and unplug the keyboard mouse power and all other peripheral cables attached to the system unit 2 Remove the three cover screws shown in Figure Section 6 1 Figure Section 6 1 Top Cover Screws Screws ...

Страница 140: ...6 4 Minitower Repair 3 Slide the top cover toward the front about one inch see Figure Section 6 2 4 Lift the top cover up and off the system unit chassis Figure Section 6 2 Removing the Top Cover ...

Страница 141: ...Figure Section 6 3 and the following steps 1 Remove the top cover as previously described 2 Disconnect any cables leading from the expansion board s 3 Remove the screw from the expansion slot bracket see Figure Section 6 3 Figure Section 6 3 Expansion Slot Screw 1 of 5 Expansion Slot Screws ...

Страница 142: ... see Figure Section 6 4 3 Pull the backboard and bracket and out of the system unit Figure Section 6 4 ISA VL Bus Backboard Bracket Screws 4 Separate the ISA VL Bus backboard from the bracket by removing the two screws shown Figure Section 6 5 Figure Section 6 5 ISA VL Bus Backboard Screws ISA VL Bus Backboard Bracket Screw ISA VL Bus Bracket Screw not shown Backboard Bracket Screws Backboard Brac...

Страница 143: ... panel screws from inside the top cover see Figure Sec tion 6 6 3 Feed the two lamp and reset cables through the hole in the front of system unit chassis when removing the front panel assembly 4 Separate the lamps and reset button from the front panel assembly by pulling them out from their socket in the panel assembly Figure Section 6 6 Front Panel Screws Top Cover Inside Front Panel 1 of 7 Screw...

Страница 144: ...he following steps 1 Remove the top cover as previously described 2 Release the four power button tabs from the inside of the front panel and push the tabs through the front panel 3 Remove the power button from the front of the panel Figure Section 6 7 Power Button Tabs Inside Front Panel Power Button Tabs ...

Страница 145: ...wing steps 1 Remove the top cover as previously described 2 Unplug the speaker connector P6 on the system board 3 Slide the speaker over the raised spot and out from the speaker tabs see Figure Section 6 8 4 Remove the speaker from the system unit Figure Section 6 8 Speaker Tabs 1 of 3 Tabs Raised Spot ...

Страница 146: ... clips at each end of the SIMM stick the clips are part of the system board s connectors Tilt the SIMM stick forward allowing the post to slide out of the hole in the SIMM stick 3 Remove the SIMM stick from the system board Repeat step 2 for each SIMM to be removed NOTE If more detailed information is needed see the installation instructions in Section 3 Options Figure Section 6 9 SIMM Socket Clip...

Страница 147: ...ble and signal cable from the diskette drive see Figure Section 6 13 NOTE When reinstalling the diskette drive note that all power cables are keyed to fit only in the correct position The red edge of the diskette drive signal cable is positioned as shown Figure Section 6 10 3 1 2 Inch Diskette Drive Cables 1 2 MB Diskette Drive Connector Red Edge Diskette Drive Signal Cable Power Cable ...

Страница 148: ... Bracket Screws 4 Slide the 3 1 2 inch diskette drive with bracket out of the system unit The bracket works like a drawer and will stop when fully out 5 Remove the four 3 1 2 inch diskette drive screws two on each side see Figure Section 6 13 6 Remove diskette the drive out from the front of the chassis 3 1 2 Inch Diskette Drive Bracket Screws ...

Страница 149: ...p cover as previously described 2 Unplug the hard disk drive power cable and signal cable from the hard disk drive see Figure Section 6 12 NOTE When reinstalling the drives note that all power cables are keyed to fit only in the cor rect position Figure Section 6 12 3 1 2 Inch Hard Disk Drive Cables IDE Cable Power Cable ...

Страница 150: ...ide 3 1 2 inch hard disk drive shown in Figure Section 6 13 The two left side 3 1 2 inch hard disk drive screws shown in Figure Section 6 14 Figure Section 6 13 Right Side Device Screws 2 of 4 3 1 2 Inch Diskette Drive Screws 3 1 2 Inch Hard Disk Drive Screws not shown 2 of 4 2 of 4 5 1 4 Inch Device Screws ...

Страница 151: ...all signal and power cables from the device s in the 5 1 4 inch device cage see Figure Section 6 13 3 Remove the four 5 1 4 inch hard disk drive screws two on each side The two right side 5 1 4 inch hard disk drive shown in Figure Section 6 13 The two left side 5 1 4 inch hard disk drive screws shown in Figure Section 6 14 4 Remove the device out of the 5 1 4 inch device cage from the front of the...

Страница 152: ...evice s in the 5 1 4 inch device cage 3 Remove the four device cage screws from the front of the device cage see Figure Section 6 15 NOTE The 3 1 2 inch diskette drive bracket can be removed after the 5 1 4 inch device cage is gone by removing the two 3 1 2 inch diskette drive bracket screws shown in Figure Section 6 15 4 Pull the device cage out from the front of the system unit Devices in the de...

Страница 153: ...cribed 2 Unplug the two power cables attached to the system board s connectors 3 Unplug the power cables from all installed devices 4 Remove the two screws securing the power button to the front of the system unit see Figure Section 6 16 Figure Section 6 16 Power Button Screws Power Button Screws not shown Power Button ...

Страница 154: ...s n SIMMs installed on the system board 2 Remove the two 3 1 2 inch diskette drive bracket screws from the front of the system unit see Figure Section 6 15 3 Slide the 3 1 2 inch diskette drive with bracket out of the system unit The bracket works like a drawer and will stop when fully out 4 Remove and label all cables connected to the system board Figure Section 6 18 provides the general location...

Страница 155: ... Connector Function Connector Label Power supply P3 P4 Local IDE hard disk drive connector P8 Standard IDE connector not used P14 Diskette drive connector P13 Speaker P6 Power lamp P15 Hard disk drive busy lamp P7 Reset Button P5 System Board Power Lamp Connector Reset Button Connector SIMM Sockets 1 of 7 Screws Standard IDE Connector Power Supply Connectors Diskette Drive Connectors Local IDE Con...

Страница 156: ...diskette drive with bracket out of the system unit The bracket works like a drawer and will stop when fully out 4 Lift the battery spring clip securing the battery in the battery socket on the system board CAUTION When replacing the battery be sure to insert the battery so that the positive side is facing up Figure Section 6 19 Battery Replacement 5 After installing a new battery the time date etc...

Страница 157: ...101A 4 3 1 2 inch Drive Bracket 158 050698 009 5 ISA VL Bus Backboard 158 050701 000A 6 4 MB SIMM Stick 158 082457 000 7 Diskette Drive Signal Cable 158 050690 000 8 Hard Disk Drive IDE Signal Cable 158 050691 000 9 5 1 4 inch Blank Panel 3 158 050698 010 10 Front Panel 158 050698 007 11 Power Button Cover and Spring 158 050698 008 12A PowerMate 466M Logo 158 030581 000 12B PowerMate 4100M Logo 15...

Страница 158: ...escription Part Number 18 Battery 158 056137 000 19 Power Supply 158 050699 000 20 Minitower Chassis 158 050698 002 21 NEC Mouse PS 2 compatible 158 050484 002 22 Keyboard 158 050707 000 23 Speaker Assembly 158 050698 003 24 Power Cord 158 050697 000 25 ISA VL Bus Backboard Bracket 158 050698 006 ...

Страница 159: ...Figure Section 6 20 PowerMate Minitower Illustrated Parts Breakdown ____________ This data was prepared May 1994 For an up to date listing of spare parts please call FastFacts 800 366 0476 and order document number 42180968 ...

Страница 160: ... Kit 158 053747 000 1 2 MB Diskette Drive Kit 158 053476 000 270 MB Hard Disk Drive Kit 158 053407 011 340 MB Hard Disk Drive Kit 158 053437 008 420 MB Hard Disk Drive Kit 158 053407 013 NEC SVGA Monitor 158 053605 000 MultiSync 3FGe Color Monitor 08119705 MultiSync 4FGe Color Monitor 08119709 MultiSync 5FGe Color Monitor 08119343 MultiSync 6FG Color Monitor 08119337 Printer Cable 808 857782 001A ...

Страница 161: ...ies System User s Guide 819 180950 000 PowerMate Series Quick Setup 819 180955 000 PowerMate Series Service and Reference Manual 819 180968 000 PowerMate Minitower Series Shipping Carton 158 040446 000 Shipping Carton Inserts 4 158 040395 004 ____________ This data was prepared May 1994 For an up to date listing of spare parts please call FastFacts 800 366 0476 and order document number 42180968 ...

Страница 162: ...he following subsections Jumper settings are provided in Section 2 Setup and Operation Figure Appendix A 1 System Board Layout Bank 0 U1 Bank 1 U11 Bank 2 U10 Bank 3 U2 SIMM Sockets Secondary Cache Socket U49 Power Lamp Connector Hard Disk Drive Busy Connector Reset Connector Speaker Connector Fast IDE Connector Standard IDE Connector Diskette Drive Connector Power Connector Mouse Port Keyboard Po...

Страница 163: ...interface P10 25 pin female sub D shell Diskette drive interface P8 2 x 17 pin shrouded header IDE interface local bus P13 2 x 20 pin shrouded header IDE interface standard P14 2 x 20 pin shrouded header Hard disk drive busy lamp P7 1 x 2 pin header Power lamp P15 1 x 3 pin header Reset button P5 1 x 2 pin header Power supply P3 P4 1 x 6 1 x 6 pin locking header ISA expansion J1 J2 2 card edge con...

Страница 164: ... output from the system board through two 9 pin COM port connectors The 9 pin D subconnectors are located at the rear of the system unit Pin locations and pin assignments for the two serial interface connectors are shown in Figure Appendix A 2 Figure Appendix A 2 Serial Interface P11 P12 ...

Страница 165: ...as a 25 pin parallel port on the system board Parallel interface specifications for this port conform to the IBM PC interface Pin locations and pin assignments for the parallel interface connector are shown in Figure Appendix A 4 Figure Appendix A 4 Parallel Interface P10 ...

Страница 166: ...pendix A 2 Video Connector P8 Pin Assignments Pin Signal 1 Red 2 Green 3 Blue 4 Monitor ID bit 2 not used 5 Ground 6 Red return ground 7 Green return ground 8 Blue return ground 9 Key no pin 10 Sync return ground 11 Monitor ID bit 0 not used 12 Monitor ID bit 1 not used 13 Horizontal sync 14 Vertical sync 15 Not used Speaker Connector Pin Assignments Speaker connector pin locations and pin assignm...

Страница 167: ...ix A 6 Power Supply Connector P3 P4 Pin Assignments Keyboard and Mouse Connectors The keyboard and mouse use standard PS 2 connectors Pin assignments are given in Table Appendix A 6 Table Appendix A 6 Keyboard P1 and Mouse P2 Connector Pin Assignments Pin Keyboard Connector Mouse Connector 1 Keyboard Data Mouse Data 2 N C N C 3 GND GND 4 5V 5a 5V 5a 5 Keyboard Clk Mouse Clk 6 N C N C 5 GND GND 12 ...

Страница 168: ...urn Hard Disk Drive Lamp Connector Hard disk drive lamp connector pin assignments are given in Table Appendix A 10 Table Appendix A 10 Hard Disk Drive Busy Lamp Connector P7 Pin Assignments Pin Signal 1 Lamp power 2 Lamp return Reset Button Connector Reset button connector pin assignments are given in Table Appendix A 12 Table Appendix A 12 Reset Button Connector P5 Pin Assignments Pin Signal 1 Gr...

Страница 169: ...A 14 Diskette Drive Connector P13 Pin Assignments Pin Ground Signal I O Signal Name 1 2 O WCCTRL 3 4 Not used 5 6 Not used 7 8 INDEX 9 10 MOTEN1 11 12 O DS2 13 14 O DS1 15 16 O MOTEN2 17 18 O DIR 19 20 O STEP 21 22 O WRT DATA 23 24 O WRT EN GATE 25 26 I TRK0 27 28 I WRT PROT 29 30 I READ DATA 31 32 O HS SEL 33 34 I DSKT CHG Pin 5 is reserved for connector polarization ...

Страница 170: ...prefixed with a designation All positively active signals are prefixed with a desig nation Table Appendix A 16 IDE Connector Pin Assignments P8 P14 Pin Signal Pin Signal 01 HOST RESET 02 GND 03 HOST DATA 7 04 HOST DATA 8 05 HOST DATA 6 06 HOST DATA 9 07 HOST DATA 5 08 HOST DATA 10 09 HOST DATA 4 10 HOST DATA 11 11 HOST DATA 3 12 HOST DATA 12 13 HOST DATA 2 14 HOST DATA 13 15 HOST DATA 1 16 HOST DA...

Страница 171: ...25 5 D17 29 N C 53 D10 6 D2 30 5V 54 D26 7 D18 31 A8 55 D11 8 D3 32 A9 56 D27 9 D19 33 N C 57 D12 10 5V 34 RAS2 58 D28 11 N C 35 MP2 59 5V 12 A0 36 MP0 60 D29 13 A1 37 MP1 61 D13 14 A2 38 MP3 62 D30 15 A3 39 GND 63 D14 16 A4 40 CAS0 64 D31 17 A5 41 CAS2 65 D15 18 A6 42 CAS3 66 N C 19 N C 43 CAS1 67 PD0 N C 20 D4 44 RAS0 68 PD1 N C 21 D20 45 N C 69 PD2 N C 22 D5 46 N C 70 PD3 N C 23 D21 47 WE 71 N ...

Страница 172: ...0 4 TD1 31 A15 58 OE1 5 TD2 32 D0 59 D16 6 TD3 33 D1 60 D17 7 TD4 34 D2 61 D18 8 TD5 35 D3 62 D19 9 TD6 36 D4 63 D20 10 TD7 37 D5 64 D21 11 VCC 38 D6 65 D22 12 TD8 39 D7 66 D23 13 TD9 40 GND 67 WE2 14 A1 41 WE0 68 WE6 15 A2 42 WE4 69 WE3 16 A3 43 VCC 70 WE7 17 A4 44 A0A 71 VCC 18 A5 45 A0B 72 D24 19 A6 46 D8 73 D25 20 A7 47 D9 74 D26 21 A8 48 D10 75 D27 22 ID0 49 D11 76 D28 23 ID1 50 D12 77 D29 24...

Страница 173: ...ages and grounds are supplied through the bus connectors There are no active components on the ISA backboard Table Appendix A 22 shows the connec tor and pin assignments for the ISA expansion slots Table Appendix A 22 ISA Expansion Slot Pin Assignments Pin Direction Signal Pin Direction Signal A1 Input IOCHCK B1 Ground GND A2 Input Output SD07 B2 Output RSET DRV A3 Input Output SD06 B3 Power 5V A4...

Страница 174: ...put SA04 B27 Output T C A28 Input Output SA03 B28 Output BALE A29 Input Output SA02 B29 Power 5V A30 Input Output SA01 B30 Output OSC A31 Input Output SA00 B31 Ground GND C1 Input Output SBHE D1 Input MEMCS16 C2 Input Output LAB23 D2 Input I OCS16 C3 Input Output LAB22 D3 Input IRQ10 C4 Input Output LAB21 D4 Input IRQ11 C5 Input Output LAB20 D5 Input IRQ12 C6 Input Output LAB19 D6 Input IRQ15 C7 I...

Страница 175: ... 14 Connector Pin Assignments Table Appendix A 22 ISA Expansion Slot Pin Assignments Pin Direction Signal Pin Direction Signal C17 Input Output SD14 D17 Input MASTER C18 Input Output SD15 D18 Ground GND ...

Страница 176: ...Connector Pin Assignments A 15 ...

Страница 177: ...es 112 mm Weight Weight 22 5 lb 10 kg dependent upon options Minitower Dimensions Width 8 5 inches 216 mm Depth 16 4 inches 417 mm Height 14 5 inches 368 mm Weight Weight 26 5 lb 12 kg dependent upon options Keyboard Width 18 3 inches 464 mm Depth 6 7 inches 170 mm Height 1 6 inches 41 mm Weight Weight 3 5 to 4 0 lb 1 6 to 1 8 kg Device Slots Two 5 1 4 inch front access slots three in the minitowe...

Страница 178: ...nal 4100M Intel486DX4 33 MHz external 100 MHz internal Cache Memory 8 KB of primary cache 16 KB in the 4100M integrated in the processor optional 256 KB secondary cache FlashROM 128 KB Flash ROM System Memory 433D 466D 466M 4100M 4 MB SIMM expandable to 128 MB 8 MB two 4 MB SIMMs expandable to 128 MB Optional SIMMs 4 8 16 and 32 MB 70 ns SIMMs NOTE The U S and Canada use 32 bit SIMMs Everywhere el...

Страница 179: ... the input power specifications for the power supply Table Appendix B 2 Power Supply Input Requirements Features 145 W 200 W Input frequency 50 Hz 47 Hz 53 Hz 50 Hz 47 Hz 53 Hz 60 Hz 57 Hz 63 Hz 60 Hz 57 Hz 63 Hz Input voltage 100V 120V 4 0A 100 120V 8 0A 200V 240V 2 0A 200 240V 5 0A Table B 3 lists the output power specifications for the power supply Table Appendix B 3 Power Supply Output Specifi...

Страница 180: ...ata Transfer Rate 500 250k bps 500 250k bps Access Time Average seek 94 ms 94 ms Minimum seek 3 ms 3 ms Head load Non head load 35 ms max Dimensions Height 1 0 in 25 4 mm 1 0 in 25 4 mm Width 4 9 in 101 6 mm 5 7 in 146 mm Depth 5 9 in 150 mm 7 4 in 190 mm Weight 1 0 lb 0 63 kg 1 5 lb 0 67 kg Operating Temperature 41 to 113 F 5 to 45 C 39 to 115 F 4 to 46 C Relative Humidity Tolerance Range 20 to 8...

Страница 181: ...h tpi 3300 tpi 2481 tpi 2985 tpi 2774 tpi Bytes per Block 512 512 512 512 Blocks per Drive 528 192 666 600 830 760 Dimensions 1 0 x 4 0 x 5 75 in 1 0 x 4 0 x 5 75 in 1 0 x 4 0 x 5 75 in 1 0 x 4 0 x 5 75 in Weight 1 2 lb 1 12 lb 1 12 lb 1 2 lbs Performance Track to track Average read Average write 4 0 ms 11 ms 2 13 ms 2 4 0 ms 4 0 ms 3 0 ms 14 ms Average Latency 6 67 ms 9 0 ms 9 0 ms 8 3 ms Rotatio...

Страница 182: ...itor Colors Analog input Unlimited colors depends on the video output Synchronization Range Horizontal 31 5 kHz 35 2 kHz 35 5 kHz 37 5 kHz Vertical 50Hz to 90Hz continuous Maximum Resolution Horizontal 1024 pixels non interlaced interlaced Vertical 768 pixels non interlaced interlaced Active Display Area Factory setting Horizontal 9 6 inches 246 mm Vertical 7 2 inches 185 mm Power Supply AC 120V 6...

Страница 183: ... However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures n Reorient or relocate the receiving antenna n Increase the separ...

Страница 184: ...ype ou d un type recommandé par le constructeur Mettre au rébut les batteries usagées conformément aux instructions du fabricant BATTERY DISPOSAL Do not place used batteries in your regular trash The nickel cadmium or nickel metal hydride batteries must be collected recycled or disposed of in an environmentally approved manner The incineration landfilling or mixing of batteries with the municipal ...

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