NEC DIRECTION L - SERVICE Service Manual Download Page 126

Page: 126 / 139

Connector Pin Assignments B-13

Table B-13 ISA Expansion Slot Pin Assignments

Pin

Direction

Signal

Pin

Direction

Signal

A30

Input/Output

SA1

B30

Output

OSC

A31

Input/Output

SA0

B31

Ground

GND

Input/Output

SBHE#

Input

MEMCS16#
(M16#)

Input/Output

LA23

Input

IOCS16# (IO16#)

Input/Output

LA22

Input

IRQ10

Input/Output

LA21

Input

IRQ11

Input/Output

LA20

Input

IRQ12

Input/Output

LA19

Input

IRQ15

Input/Output

LA18

Input

IRQ14

Input/Output

LA17

Output

DACK0#

Input/Output

MEMR#
(MRDC#)

Input

DRQ0

C10

Input/Output

MEMW#
(MWTC#)

D10

Output

DACK5#

C11

Input/Output

SD8

D11

Input

DRQ5

C12

Input/Output

SD9

D12

Output

DACK6#

C13

Input/Output

SD10

D13

Input

DRQ6

C14

Input/Output

SD11

D14

Output

DACK7#

C15

Input/Output

SD12

D15

Input

DRQ7

C16

Input/Output

SD13

D16

Power

+5V

C17

Input/Output

SD14

D17

Input

Master16#
(MASTER# )

C18

Input/Output

SD15

D18

Ground

GND

Summary of Contents for DIRECTION L - SERVICE

Page 1: ...anted in accordance with the terms of the Warranty Statement accompanying each product However actual performance of each such product is dependent upon factors such as system configuration customer d...

Page 2: ...Clock Battery 1 8 DMA IRQ Settings 1 8 IDE Ports 1 9 I O Ports 1 9 Sound System 1 10 U S Robotics Modem Board Optional 1 10 Diskette Drive 1 10 Hard Disk Drive 1 11 Cd Rom Dvd Drive 1 11 Zip Drive 1 1...

Page 3: ...Drive Submenu 2 15 Removable Drive Submenu 2 16 Exit Menu 2 16 Section 3 Option Installation General Rules for Installing Options 3 1 Precautions 3 2 Removing the Access Cover 3 3 Replacing the Access...

Page 4: ...ce and Troubleshooting Maintenance 4 2 System Cleaning 4 2 Keyboard Cleaning 4 3 Mouse Cleaning 4 3 Troubleshooting 4 5 Diagnosing and Solving Problems 4 5 Beep Codes 4 11 CMOS Battery Replacement 4 1...

Page 5: ...ector Pin Assignments B 12 PCI Expansion Bus Connector Pin Assignments B 14 Universal Serial Bus USB Connectors B 15 Appendix C System Resources IRQ Settings C 1 Viewing System Resources C 2 Setting t...

Page 6: ...ing the Battery 4 12 Figure 5 1 Removing a Board 5 3 Figure 5 2 Releasing the Front Panel 5 3 Figure 5 3 Locating the Device Cage Screw 5 4 Figure 5 4 Locating the Two Diskette Drive Clips 5 5 Figure...

Page 7: ...ist 5 16 Table 5 4 Direction SPL and SP Series Desktop Field Replaceable Parts List 5 20 Table 5 5 Direction SPL and SP Series Minitower Field Replaceable Parts List 5 24 Table 5 6 Memory Options 5 28...

Page 8: ...Contents ix Table B 13 ISA Expansion Slot Pin Assignments B 12 Table B 14 PCI Expansion Pin Assignments B 14 Table B 15 USB Connectors B 15 Table C 1 System Board Jumper Settings C 3...

Page 9: ...x Contents...

Page 10: ...ility program Section 3 Option Installation provides installation procedures for adding optional expansion boards diskette and hard disk storage devices system memory and processor updates Section 4 M...

Page 11: ...rter DACK DMA acknowledge 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 ECC error ch...

Page 12: ...tal assistant PFP plastic flat package PIO parallel input output pixel picture element PLCC plastic leaded chip carrier PLL phase lock loop p p peak to peak PPI programmable peripheral interface PROM...

Page 13: ...Abbreviations xv VFC VESA compliant feature connector VGA Video Graphics Array VRAM video RAM W watt W write...

Page 14: ...with 32x CD ROM drive Direction SPL266 with 32x CD ROM drive Direction SPL300 with 32x CD ROM drive Direction SPL333 with 32x CD ROM drive This section provides an overview of the NEC Direction L Seri...

Page 15: ...o 192 MB Secondary Cache 512 KB pipeline burst 512 KB pipeline burst 512 KB pipeline burst 512 KB pipeline burst Chipset Intel 440LX Intel 440LX Intel 440LX Intel 440LX Graphics AGP graphics board AGP...

Page 16: ...MB to 192 MB Secondary Cache 512 KB pipeline burst 512 KB pipeline burst 512 KB pipeline burst 512 KB pipeline burst Chipset Intel 440LX Intel 440LX Intel 440LX Intel 440LX Graphics AGP graphics boar...

Page 17: ...und Retrieval System Sound Retrieval System Sound Retrieval System Hard Disk 3 2 GB 9 GB 3 2 9 GB 3 2 9 GB 3 2 9 GB CD ROM Drive 32x 32x 32x 32x Power Supply 235 W 235 W 235 W 235 W SYSTEM BOARD The s...

Page 18: ...and bus control The chipset includes the following chips Intel 82443LX PCI A G P PAC provides bus control signals address paths and data paths for transfers between the processor s host bus PCI bus Ac...

Page 19: ...rator chip PIIX4 provides the logic that enables the ISA bus functions With 24 bit memory addressing a 16 bit data path and an eight MHz clock the ISA bus is designed to support all peripherals compat...

Page 20: ...nates complicated setup procedures for installing Plug and Play expansion boards To add a Plug and Play expansion board simply power off the system install the board and power on the system There are...

Page 21: ...PCI boards with minimal user intervention Table 1 5 and Table 1 6 list system IRQ and DMA default settings Table 1 5 Interrupt Level Assignments IRQ System Resource NMI I O channel check 00 Reserved i...

Page 22: ...E supports 2 MB to 3 MB per second on the ISA bus The standard hard disk and Zip drive in some systems are connected to the fast IDE port primary channel for high performance The CD ROM drive is attac...

Page 23: ...ss decode ADPCM A law or law digital audio compression decompression Full digital control of all mixer and volume control functions Sound Blaster and Windows Sound System compatibility The system boar...

Page 24: ...nd has a data transfer rate up to 1 4 MB per second POWER SUPPLY The 235 watt power supply is mounted inside the system unit It supplies power to the system board option boards diskette drives hard dr...

Page 25: ...attery supplies continuous power to CMOS memory and maintains configuration information when system power is off WHEN TO USE SETUP The Setup utility allows the user to view and set system parameters U...

Page 26: ...rt the Setup utility follow these steps 1 Turn on or reboot the system 2 Press F2 after POST begins but before the system boots up You have about five seconds to press F2 Setup s Main Menu window appe...

Page 27: ...al Help window a window that appears any time during Setup after pressing F1 This help window provides general information about using Setup The following subsections describe how to use the Main Menu...

Page 28: ...rrow keys Selects next menu or arrow keys Moves cursor up and down for item selection Enter Executes a command or selects submenu Selecting a Menu Item To select a menu item use the up down arrow keys...

Page 29: ...cessor Speed This field displays your processor s speed Cache RAM This field displays the size of your system s L2 external cache Total Memory This field displays the total amount of memory installed...

Page 30: ...sical size of Diskette Drive A and B if included To change these highlight the field for the drive press Enter and select from the following options Disabled 360KB 5 25 inch 1 2MB 5 25 inch 720KB 3 5...

Page 31: ...eck or change the following hard disk drive parameters They are not available if Auto is selected Cylinders Heads Sectors fields Cylinders If your device configuration type is set to Auto this field d...

Page 32: ...causes Logical Block Addressing to be used in place of Cylinders Heads Sectors You can Enable default or Disable this option This option cannot be changed when Auto is selected WARNING Don t change t...

Page 33: ...parameters are available by selecting submenus Use the arrow keys to move the cursor to a parameter and press Enter to select a submenu Items with lighter text are not available Plug Play O S This opt...

Page 34: ...ces To do so highlight this field then press Enter Use the arrow cursor keys to highlight the specified IRQ then press Enter Select Available default or Reserved with the arrow keys then press Enter t...

Page 35: ...es the Setup program to assign LPT 1 378h IRQ7 NOTE If you select the Enabled option you can see additional options that allow you to specify the Base I O address and IRQs for the port you are configu...

Page 36: ...ess Enter The following options appear NumLock This option controls whether the NumLock key on the keyboard is on or off at boot up The choices are Auto default On or Off Key Click This feature enable...

Page 37: ...then press Enter The following options appear Event Log Capacity Event Log Validity These fields indicate whether space is available in the Event Log and whether the contents of the log are valid Vie...

Page 38: ...ower management features When the power management option is enabled the following options appear in the Power Menu Power Management This feature lets you enable or disable BIOS power management Inact...

Page 39: ...lt and Power On On PME This option controls how the system responds to a PCI power management event The options are Stay Off default and Power On First Second Third Fourth Boot Device You can select t...

Page 40: ...r keys to select the desired option then press Enter to make your choice or use the arrow key to select another one Exit Saving Changes This option exits the Setup program and saves your changes to th...

Page 41: ...the cover are included in this section GENERAL RULES FOR INSTALLING OPTIONS Follow these general rules when installing system options Turn off system power and unplug the power cable Turn off and disc...

Page 42: ...board or chip in its anti static packaging until ready to install it Dissipate static electricity before handling any system components boards chips etc by touching a grounded metal object such as th...

Page 43: ...lation easier CAUTION Electrostatic discharge can damage computer components Discharge static electricity by touching a metal object before you remove the system access cover 3 If the system is a mini...

Page 44: ...the access cover use the following procedure 1 Gently set the access cover inside the edge of the case taking care not to bend the metal tabs 2 Align the tabs on the access cover with their correspond...

Page 45: ...sion boards Plug and Play allows the installation of a board in an expansion slot without changing the hardware settings There are no system resource conflicts to resolve Plug and Play automatically c...

Page 46: ...pansion boards in the system as follows 1 Remove the access cover 2 Follow any preinstallation instructions that come with the expansion board such as setting switches or jumpers on the board 3 Remove...

Page 47: ...s cover Expansion Board Removal 1 Remove the system access cover 2 Label and remove any cables connected to the board 3 Remove the screw that secures the board to the support bracket 4 Pull the board...

Page 48: ...DIMM specification for either 64 bit or 72 bit SDRAM Use the following procedure to Check the memory installed in the system Determine the DIMM configuration needed to increase memory Identify DIMM s...

Page 49: ...64 64 MB 2 M x 64 16 MB 112 MB Empty 0 MB 16 M x 72 128 MB 16 M x 72 128 MB 256 MB ECC 16 M x 64 128 MB 2 M x 64 16 MB 8 M x 64 64 MB 210 MB 16 M x 64 128 MB 4 M x 64 32 MB 8 M x 64 64 MB 224 MB 16 M...

Page 50: ...r 2 Locate the DIMM sockets 3 Remove any currently installed DIMMs that are not needed See DIMM Removal in this chapter CAUTION Before installing a DIMM reduce static discharge by touching the system...

Page 51: ...ormation on upgrade capabilities DATA STORAGE DEVICES The system board in your computer supports the following storage devices two diskette drives including the standard 1 44 MB diskette drive and a t...

Page 52: ...ith the device For example check the following Diskette drive remove any termination jumpers on the optional diskette drive See the documentation that comes with the drive IDE device check the jumper...

Page 53: ...ude diskette drive signal cable IDE signal cables system power cables The addition of a diskette drive might require the replacement of the existing diskette drive cable The addition of an IDE device...

Page 54: ...otched end on the drive connector Figure 3 9 shows a three connector diskette drive signal cable Figure 3 9 Diskette Drive Signal Cable IDE Signal Cables Each system comes with a three connector IDE i...

Page 55: ...are attached to the standard storage devices System power cables vary in length and provide connector sizes to accommodate a variety of supported storage configurations Power cable connectors are keye...

Page 56: ...onnector to the connector on the IDE device Take care to prevent bending drive connector pins Align the IDE cable connector as shown in Figure 3 12 2 Locate an available power connector coming from th...

Page 57: ...e 1 Connect the diskette drive signal cable connector to the signal connector on the device see Figure 3 13 2 Locate an available power connector 3 Connect the power cable to the power connector on th...

Page 58: ...e the following procedure to remove the front panel 1 Locate the two plastic tabs at the front of the chassis They are indicated by two arrows engraved on the chassis 2 Press down on the two tabs and...

Page 59: ...d lift it out of the unit Installing a 3 1 2 Inch Device Use the following procedure to install a 3 1 2 inch device 1 Follow the preinstallation instructions that came with the device such as setting...

Page 60: ...Locating Device Slots If you are installing the device in the second 3 1 2 inch internal device slot Remove the two screws securing the 3 1 2 inch hard disk bracket to the front of the system unit Fig...

Page 61: ...wo screws inserted into the front of the system Slide the 3 1 2 inch hard disk bracket towards the back of the system unit until it is free of the molded plastic Align the two screw holes on the hard...

Page 62: ...ng the device in an accessible slot go to step 6 6 To install a 3 1 2 inch device in an accessible slot Remove the plastic blank panel from the selected slot by pressing the panel tab inward and swing...

Page 63: ...any rails attached See the documentation that comes with the device 2 Remove the access cover 3 Remove the device cage see Removing the CD ROM DVD Drive 4 Remove and label any cables that interfere w...

Page 64: ...place the plastic panel 13 Replace the front panel 14 Replace the access cover Replacing the Front Panel To replace the front panel follow this procedure 1 Align the front panel s six tabs with their...

Page 65: ...other external devices see the instructions that come with the option Parallel Printer NOTE Before connecting a printer to the system be sure the printer is set up correctly Follow the setup instructi...

Page 66: ...3 26 Option Installation 5 Turn on the printer and the computer Figure 3 23 Locating the Parallel Port...

Page 67: ...nstructions that come with the option 1 Turn off power to the system and to the serial device 2 Connect one end of the serial cable to one of the COM ports on the rear of the computer see Figure 3 24...

Page 68: ...Service about service and contract warranty issues Call 1 888 632 9128 To log onto the NEC CSD Electronic Bulletin Board System BBS to download software drivers and the latest BIOS for ROM flashing C...

Page 69: ...ng procedure for cleaning the system 1 Power off the system and unplug all power cables 2 Periodically wipe the outside of the system keyboard mouse and monitor with a soft clean cloth Remove stains w...

Page 70: ...d 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 accidentally gets wet thoroughly dry...

Page 71: ...r 4 Turn the mouse over and remove the ball 5 Clean the mouse as follows Clean the mouse ball with tap water and a mild detergent then dry it with a lint free cloth Remove any dust and lint from the m...

Page 72: ...m 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...

Page 73: ...parameters 2 Replace the CMOS 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 sett...

Page 74: ...upply 4 Check hard disk cable and hard disk Replace as necessary 5 Replace system board or hard disk controller board if the system board controller is not used Memory malfunction Total memory not rec...

Page 75: ...the capabilities of the video controller and memory Wavy display 1 Check that the computer and monitor are not near motors or electric fields Blank display 1 Press any key or move the mouse to ensure...

Page 76: ...d and power supply 3 Check the master slave jumper settings 4 Check the IDE cable Replace as necessary 5 Check the power supply Replace as necessary 6 Check the system board Replace as necessary No so...

Page 77: ...supply Replace as necessary 6 Check the system board Replace as necessary Communication error No or bad data when communicating 1 Check cable connections between system board and device 2 Check that...

Page 78: ...eep before boot 1 2 Search for option ROMs 1 2 2 3 BIOS ROM checksum 1 3 1 1 Test DRAM refresh 1 3 1 3 Test 8742 keyboard controller 1 3 4 1 RAM failure on address line xxxx 1 3 4 3 RAM failure on dat...

Page 79: ...or improperly discarded Use only the same battery or an equivalent type recommended by the manufacturer when replacing the battery Lithium acts as a catalyst when exposed to water and causes spontaneo...

Page 80: ...ollow the table and procedures 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 remove...

Page 81: ...When handling boards or chips ground yourself to release static DISASSEMBLY Use the following procedures to disassemble the system unit NOTE Unplug the power cord before disassembling the system unit...

Page 82: ...nit as follows 1 Locate the two plastic tabs at the front of the chassis They are indicated by two arrows engraved on the chassis 2 Press down on the two tabs and press in a third tab at the end of th...

Page 83: ...evice cage from the system unit as follows 1 Label and disconnect any cables connected to devices in the device cage 2 Locate the screw on the front of the system between the 3 5 inch blank panel and...

Page 84: ...ll the diskette drive out of the front of the system 5 1 4 Inch Device Removal Remove an optional 5 1 4 inch device from the system unit as follows 1 Remove the system access cover front panel and the...

Page 85: ...stem unit Optional 3 1 2 Inch Hard Disk Drive Removal Remove the optional 3 1 2 inch hard disk drive as follows 1 Remove the system access cover and front panel as previously described 2 Label and unp...

Page 86: ...wards the back of the system unit until it is free of the molded plastic 5 Remove the screw on the side of the hard disk securing it to the bracket Figure 5 7 Removing the Securing Screw 6 Slowly pull...

Page 87: ...hard disk drive in the molded plastic cage at the front of the system Remove the screws 4 Release the two plastic clips inside the plastic cage holding the drive in the plastic cage and slide the dri...

Page 88: ...ards as previously described 2 Press the locking clips at the ends of the socket away from the DIMM memory module see Figure 5 9 3 Gently rock the module while pulling it up from the socket Figure 5 9...

Page 89: ...ibed 2 Label and unplug the power cable attached to the system board 3 Label and unplug the power cables from all installed devices 4 At the back of the system unit remove the two screws securing the...

Page 90: ...de the system board towards the front of the unit until is is clear of the metal shielding and the alignment clips 5 Lift the board out of the system at an angle 6 If replacing the system board remove...

Page 91: ...E hard disk Quantum ST Ultra DMA 300668 01 6b 4 3 GB IDE hard disk Quantum ST Ultra DMA 215 00125 6c 7 GB IDE hard disk Maxtor 300800 6d 6 4 GB hard disk IBM Ultra DMA 300815 6e 8 4 GB IDE hard disk M...

Page 92: ...8 050796 000 19b 3COM PCI 10 100 3C905TX ethernet board 158 052256 000A 20a 2940 Adaptec UW SCSI adapter board 158 052132 000A 20b 2930 Adaptec SCSI adapter board 030295 20c Intel pro 100 network adap...

Page 93: ...not shown in figure 030401 SCSI cable wide not shown in figure 233 00045 CD Restore Pkg Windows 95 systems only not shown in figure 165326 08 Battery not shown in figure 158 060367 000 Monitor NEC 15...

Page 94: ...Direction L Series Desktop Illustrated Parts Breakdown ____________ This data was prepared June 1998 For an up to date listing of spare parts please call FaxFlashSM at 1 888 329 0088 or 1 978 635 6090...

Page 95: ...M PCI 10 100 3C905TX ethernet board 158 052256 000A 13a 2940 Adaptec UW SCSI adapter board 158 052132 000A 13b 2930 Adaptec SCSI adapter board 030295 13c Intel Pro 100 network adapter board 145479 14...

Page 96: ...Quantum ST Ultra DMA 300668 01 27b 4 3 GB IDE hard disk Quantum ST Ultra DMA 215 00125 27c 7 GB IDE hard disk Maxtor 300800 27d 6 4 GB hard disk IBM Ultra DMA 300815 27e 8 4 GB IDE hard disk Maxtor 8...

Page 97: ...hown in figure 011002 Card sound wavetable OPL4 not shown in figure 030401 SCSI cable wide not shown in figure 233 00045 Cable CD ROM audio not shown in figure 070112 Microsoft SideWinder 3D joystick...

Page 98: ...irection L Series Minitower Illustrated Parts Breakdown ____________ This data was prepared June 1998 For an up to date listing of spare parts please call FaxFlashSM at 1 888 329 0088 or 1 978 635 609...

Page 99: ...hard disk Maxtor 88400D8 UDMA 300819 01 6f 9 1 GB hard disk UDMA 300833 6g 3 5 x1 6 9 1 GB Seagate Ultra wide SCSI ST19171W 300689 6h 3 5 x1 6 9 1 GB Seagate Ultra wide SCSI ST19101 300690 6i 3 5 x1 4...

Page 100: ...8 052132 000A 20b 2930 Adaptec SCSI adapter board 030295 20c Intel pro 100 network adapter board 145479 21 Diskette drive signal cable 070114 22 IDE signal cable 233 00026 23 Cable audio internal dual...

Page 101: ...shown in figure 233 00045 CD Restore Pkg Windows 95 systems only not shown in figure 165326 08 Battery not shown in figure 158 060367 000 Monitor NEC 15 C550 not shown in figure 011001 Monitor NEC 17...

Page 102: ...tion SPL and SP Series Desktop Illustrated Parts Breakdown ____________ This data was prepared June 1998 For an up to date listing of spare parts please call FaxFlashSM at 1 888 329 0088 or 1 978 635...

Page 103: ...net board 158 052256 000A 13a 2940 Adaptec UW SCSI adapter board 158 052132 000A 13b 2930 Adaptec SCSI adapter board 030295 13c Intel Pro 100 network adapter board 145479 14 System board 158 056690 00...

Page 104: ...ltra DMA 300668 01 27b 4 3 GB IDE hard disk Quantum ST Ultra DMA 215 00125 27c 7 GB IDE hard disk Maxtor 300800 27d 6 4 GB hard disk IBM Ultra DMA 300815 27e 8 4 GB IDE hard disk Maxtor 88400D8 UDMA 3...

Page 105: ...shown in figure 233 00045 CD Restore Pkg Windows 95 systems only not shown in figure 165326 08 Battery not shown in figure 158 060367 000 Monitor NEC 15 C550 not shown in figure 011001 Monitor NEC 17...

Page 106: ...ion SPL and SP Series Minitower Illustrated Parts Breakdown ____________ This data was prepared June 1998 For an up to date listing of spare parts please call FaxFlashSM at 1 888 329 0088 or 1 978 635...

Page 107: ...le 5 7 lists the Direction Series documentation Table 5 7 Direction Series Documentation Description Part Number Direction Series User s Guide 102018 01 Direction Series Service and Reference Manual 1...

Page 108: ...ocessor subsystem is inserted into slot 1 on the system board A 242 pin edge connector is implemented on the processor card for system board installation Each end of slot 1 has a Retention Mechanism A...

Page 109: ...or 8 Mbit by 72 64 MB DIMM 16 Mbit by 64 or 16 Mbit by 72 128 MB DIMM Read Only Memory ROM Flash ROM 2 Mbit Window RAM WRAM Standard video memory 4 MB video memory on the video board Calendar Clock Y...

Page 110: ...pin connectors support for mode 3 and mode 4 Diskette Drive supports two devices 1 2 MB and 1 44 MB drives 34 pin connector Expansion Slots I O Bus PCI ISA Six expansion slots One 8 16 bit ISA slot T...

Page 111: ...ailable four accessible device slots One accessible 5 25 inch device slot contains the standard CD ROM drive One accessible 5 25 inch device slot Two 3 5 inch device slots the lower 3 5 inch slot is n...

Page 112: ...er volume control IMA compatible adaptive differential pulse code modulation ADPCM A Law and u Law compression decompression DMA Demand mode MPU 401 compatible MIDI interface Wave Blaster upgradeable...

Page 113: ...hts are averages Weights depend upon the system configuration System Unit 27 5 lb 12 46 kg Keyboard 3 5 to 4 lb 1 6 to 1 8 kg Power Universal Power Supply 235 W Power Management Partial and full power...

Page 114: ...able B 2 and Table B 3 list each connector by its function number and type Figure B 1 shows the locations of the connectors and slots on the system board Figure B 2 shows the locations of the connecto...

Page 115: ...B 2 Connector Pin Assignments Figure B 1 System Board Connectors and Slots Figure B 2 System Board External Connectors...

Page 116: ...er Type Parallel Interface 25 pin female sub D shell Serial Interface COM1 and COM2 9 pin D shell Mouse 6 pin PS 2 style connector Keyboard 6 pin PS 2 style connector Diskette Drive J8K1 2 x 17 pin ma...

Page 117: ...or are listed in Table B 4 Table B 4 RS 232C Serial Port Connector Pin Assignments Pin Signal Description 1 DCD Carrier detect 2 Serial In Receive data 3 Serial Out Transmit data 4 DTR Data terminal r...

Page 118: ...e listed in Table B 5 Table B 5 Parallel Port Connector Pin Assignments Pin Signal Pin Signal 1 Strobe 14 Auto feed 2 Data bit 0 15 Fault 3 Data bit 1 16 INIT Initialize 4 Data bit 2 17 SLCT IN Select...

Page 119: ...und 4 5 V 14 PS ON Power supply remote on off control 5 Ground 15 Ground 6 5 V 16 Ground 7 Ground 17 Ground 8 PWRGD Power Good 18 5 V 9 5 VSB Standby for real time clock 19 5 V 10 12 V 20 5 V KEYBOARD...

Page 120: ...r Pin Assignments Pin Signal Description 1 2 SW_ON Ground Power On 3 4 SLEEP SLEEP_PU pull up Sleep Resume 5 No connect none 6 7 8 9 10 11 5V Key IrRX Ground IrTX CONIR Consumer IR IrDA 12 No connect...

Page 121: ...ved 5 Key 6 FDEDIN 7 Ground 8 FDINDX Index 9 Ground 10 FDM00 Motor enable A 11 Ground 12 FDDS1 Drive select B 13 Ground 14 FDDS0 Drive select A 15 Ground 16 FDM01 Motor enable B 17 MSEN1 18 FDDIR Step...

Page 122: ...sitively active signals are prefixed with a designation Table B 10 IDE PCI Connector Pin Assignments Pin Description Pin Description 1 Reset IDE 2 Ground 3 Host data 7 4 Host data 8 5 Host data 6 6 Ho...

Page 123: ...DQ43 141 DQ50 16 DQ12 58 DQ19 100 DQ44 142 DQ51 17 VDD 59 VDD 101 DQ45 143 VDD 18 VDD 60 DQ20 102 VDD 144 DQ52 19 DQ14 61 NC 103 DQ46 145 NC 20 DQ15 62 NC VREF 104 DQ47 146 NC VREF 21 CB0 63 CKE1 105...

Page 124: ...Ground B13 Ground A46 AGP_TRDY B46 AGP_DEVSEL A14 No connect B14 No connect A47 AGP_STOP B47 Vcc3 3 A15 SBA1 B15 SBA0 A48 No connect B48 AGP_PERR A16 Vcc3 3 B16 Vcc3 3 A49 Ground B49 Ground A17 SBA3...

Page 125: ...Output SD0 B9 Power 12V A10 Input IOCHRDY B10 Ground GND A11 Output AEN B11 Output SMEMW SMWTC A12 Input Output SA19 B12 Output SMEMR SMRDC A13 Input Output SA18 B13 Input Output IOW IOWC A14 Input O...

Page 126: ...IRQ11 C5 Input Output LA20 D5 Input IRQ12 C6 Input Output LA19 D6 Input IRQ15 C7 Input Output LA18 D7 Input IRQ14 C8 Input Output LA17 D8 Output DACK0 C9 Input Output MEMR MRDC D9 Input DRQ0 C10 Input...

Page 127: ...ERR A10 5V I O B10 Reserved A41 SBO B41 3 3V A11 Reserved B11 PRSNT2 A42 Ground B42 SERR A12 Ground B12 Ground A43 PAR B43 3 3v A13 Ground B13 Ground A44 AD15 B44 C BE1 A14 Reserved B14 Reserved A45 3...

Page 128: ...ssignments B 15 UNIVERSAL SERIAL BUS USB CONNECTORS Table B 15 lists the pin assignments and signal names for the USB connectors Table B 15 USB Connectors Pin Signal Name 1 Power 2 USBP0 USBP1 3 USBP0...

Page 129: ...ystem board IRQ SETTINGS The following settings are the default IRQ settings IRQ0 timer IRQ1 keyboard IRQ2 cascade interrupt IRQ3 COM2 IRQ4 COM1 IRQ5 LPT2 IRQ6 diskette drive IRQ7 LPT1 IRQ8 real time...

Page 130: ...right mouse button 2 Click Properties The System Properties box appears 3 Click the Device Manager tab 4 Double click Computer The Computer Properties box appears and displays the View Resources folde...

Page 131: ...ings 2 Remove the access cover see Section 3 Removing the Access Cover 3 Locate the Configuration jumper J8B2 on the system board see Locating the Jumper in the previous subsection 4 You may have to r...

Page 132: ...n off the system before you change any jumper settings 2 Remove the access cover see Section 3 Removing the Access Cover 3 Locate the Configuration jumper J8B2 on the system board see Locating the Jum...

Page 133: ...f you removed any expansion boards replace them see Section 3 Expansion Board Installation 12 Replace the access cover Reconnect the system power cables and peripheral devices 13 Power on the system 1...

Page 134: ...disk drive 5 6 5 1 4 inch device 5 5 device cage 5 4 DIMM module 5 9 diskette drive 5 4 expansion boards 5 2 fan assembly 5 8 front panel 5 3 power supply 5 10 side panel 5 4 standard 3 1 2 inch hard...

Page 135: ...ir 5 1 disassembly 5 1 reassembly 5 1 S Setup 2 1 Setup and Operation 2 1 Setup utility legend bar 2 4 storage device installation 3 11 3 18 device cables 3 13 device preparation 3 12 device slots 3 1...

Page 136: ...e interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment to an outlet on a ci...

Page 137: ...5 If too many devices are attached they may not ring properly Modem Service Requirements If the modem malfunctions all repairs should be performed by NEC Computer Systems Division or an NEC CSD Author...

Page 138: ...ground connections of the power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may be particularly important in rural areas WARNING U...

Page 139: ...n landfilling or mixing of batteries with the municipal solid waste stream is prohibited by law in most areas Return batteries to a federal or state approved battery recycler This may be where you pur...

Search results

Summary of Contents for DIRECTION L - SERVICE

Reviews:

Related manuals for DIRECTION L - SERVICE

Brands by name

Popular brands

NEC DIRECTION L - SERVICE, Service Manual

Search results

Summary of Contents for DIRECTION L - SERVICE

Reviews:

Related manuals for DIRECTION L - SERVICE

Brands by name

Popular brands