NEC DIRECTION SP B - SERVICE 1999 Service And Reference Manual Download Page 119

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C-2 System Resources

This section includes information on:

system interrupt request (IRQ) default settings

viewing system resources

jumper settings for the system board.

IRQ Settings

The following settings are the default IRQ settings:

IRQ0 (timer)

IRQ1 (keyboard)

IRQ2 (cascade interrupt)

IRQ3 (COM2)

IRQ4 (COM1)

IRQ5 (LPT2/sound/user available)

IRQ6 (diskette drive)

IRQ7 (LPT1)

IRQ8 (real time clock)

IRQ9 (reserved)

IRQ10 (USB/user available)

IRQ11 (Windows Sound System/user available)

IRQ12 (mouse)

IRQ13 (numeric processor)

IRQ14 (primary IDE)

IRQ15 (secondary IDE).

System Resource Information

Some hardware option installations might require system resources such as IRQ
lines, direct memory access (DMA) channels, and input/output (I/O) addresses.

Follow these steps to view system resources:

From the Windows desktop, click the “My Computer” icon with the

right

mouse button.

Click

Properties

. The “System Properties” dialog box appears.

Click the “Device Manager” tab.

Summary of Contents for DIRECTION SP B - SERVICE 1999

Page 1: ...A New Direction In Cutting Edge Technology DIRECTION SP B SERIES S E R V I C E A N D R E F E R E N C E M A N U A L ...

Page 2: ... 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 CSD To allow for design and specifi...

Page 3: ...kette Drive 1 10 Hard Drive 1 10 CD ROM DVD Drive 1 10 Zip Drive 1 10 Power Supply 1 10 Power Management 1 11 2 Utilities BIOS Setup Utility 2 2 When to Use Setup 2 2 How to Start Setup 2 3 How to Use Setup 2 3 Menu Bar 2 4 Legend Bar 2 5 Selecting a Menu Item 2 5 Displaying a Submenu 2 5 Getting Help 2 5 Main Menu 2 6 Advanced Menu 2 7 Peripheral Configuration Submenu 2 7 IDE Configuration Submen...

Page 4: ...rage Devices 3 11 Device Slots 3 12 Device Preparation 3 12 Device Cables 3 13 Diskette Drive Signal Cable 3 14 IDE Signal Cables 3 14 System Power Cables 3 15 Device Cabling 3 16 Cabling an IDE Device 3 16 Cabling an Accessible 5 1 4 Inch Device 3 16 Storage Device Installation 3 17 Removing the Front Panel 3 17 Removing the CD ROM DVD Drive 3 18 Installing a 3 1 2 Inch Device 3 19 Installing a 5...

Page 5: ...essor A 2 Random Access Memory A 2 Read Only Memory A 3 Video Memory A 3 Calendar Clock A 3 Input Output Facilities A 3 Expansion Slots A 4 Keyboard and Mouse A 4 Storage Devices A 4 Device Slots A 4 Graphics A 5 Sound System A 6 Dimensions A 6 Weight A 6 Power A 6 Recommended Operating Environment A 7 B Connector Pin Assignments Serial Interface Connectors B 5 Parallel Interface Connector B 5 Pow...

Page 6: ...vi Contents C System Resources IRQ Settings C 2 System Resource Information C 2 Jumper Settings C 3 Clearing Your Password C 4 Recovering the BIOS C 5 ...

Page 7: ...8 Locating Device Slots 3 19 Removing the Bracket Screws 3 20 Aligning the Holes and Tabs 3 20 Securing the Drive 3 21 Inserting the Device 3 21 Removing the Blank Panel 3 22 Installing the Device 3 24 Locating the Parallel Port 3 25 Locating the Serial Ports 3 26 Locating the Mouse Ball Cover 4 4 Locating the Battery 4 10 Removing a Board 5 4 Releasing the Front Panel 5 4 Locating the Device Cage...

Page 8: ...stem Board Connectors B 2 System Board Internal Connectors B 4 System Board Connector Numbers and Types B 4 RS 232C Serial Port Connector Pin Assignments B 5 Parallel Port Connector Pin Assignments B 5 Primary Power Supply Connector Pin Assignments B 6 Keyboard and Mouse Connector Pin Assignments B 7 Front Panel Connector Pin Assignments B 7 Diskette Drive Connector Pin Assignments B 8 IDE PCI Con...

Page 9: ...he Intel Processor Serial Number Control utility Section 3 Option Installation provides installation procedures for adding optional expansion boards diskette and hard drive storage devices and system memory Section 4 Maintenance and Troubleshooting includes recommended maintenance information lists possible computer problems and their solutions and has battery replacement procedures Section 5 Disa...

Page 10: ...e 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 checking and correction EDO extended data output EGA Enhanced Graphics Adapter EPROM erasable and programmable ROM EVGA Enhanced Video Graphics Array F Fahrenheit FAX facsimile transmission FCC Federal Communications Commissio...

Page 11: ...lel input output pixel picture element PLCC plastic leaded 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 converter 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 time clock R...

Page 12: ...1 Technical Information Overview System Board Modem Board optional Diskette Drive Hard Drive CD ROM DVD Drive Zip Drive Power Supply Power Management ...

Page 13: ...iew NEC Direction SP B Series systems support the Intel Pentium II processor with MMX technology The following figures show system features on the front and rear of the desktop and minitower systems The subsections that follow provide more detailed information on system features Front Features Desktop Models A Power Lamp B Power Button C Disk Lamp D Reset Button E Diskette Drive F CD ROM DVD Drive...

Page 14: ...p Models A Power Socket B Mouse Port C Parallel Port D Keyboard Port E USB Ports F Serial Port 1 G Serial Port 2 H Audio Connectors I Video Connector Audio Connectors Desktop Models A MIDI Game Port B Line Out Jack C Line In Jack D Microphone Jack ...

Page 15: ... CD ROM DVD Drive B Diskette Drive C Power Lamp D Power Button E Disk Lamp F Reset Button Rear Features Minitower Models A Power Socket B Mouse Port C Keyboard Port D USB Ports E Serial Port 1 F Serial Port 2 G Audio Connectors H Video Connector I Parallel Port ...

Page 16: ... is packaged in a Single Edge Contact SEC cartridge that plugs into the system board s slot 1 System Cache Memory To use the processor s power the system features an optimized 64 bit memory interface and provides support for a second level cache to complement the processor s internal cache High performance features include pipeline 32 bit addressing 64 bit data 512 KB of pipeline burst secondary c...

Page 17: ...ast displays of high resolution images The high bandwidth PCI local bus eliminates data bottlenecks found in traditional systems maintains maximum performance at high clock speeds and provides a clear upgrade path to future technologies The PCI bus contains two embedded PCI devices the PCI local bus IDE interface and the PCI video graphics controller The PCI bus also contains a connector for attac...

Page 18: ... Plug and Play BIOS and the system s operating system The Plug and Play BIOS is stored in the Flash EPROM on the system board The Plug and Play BIOS adds several steps to the POST process During POST the Plug and Play evaluates the configuration of installed boards and assigns available system resources to the devices On completion of Plug and Play POST the operating system checks to see if there ...

Page 19: ...ive 07 LPT1 08 Real time clock 09 Reserved 10 USB user available 11 Windows Sound System user available 12 PS 2 mouse port if present else user available 13 Reserved numeric processor 14 Primary IDE if present else user available 15 Secondary IDE if present else user available Default setting can be changed DMA Assignments DMA Resource 00 Audio 01 Audio parallel port 02 Diskette drive 03 ECP paral...

Page 20: ...ls These protocols allow high speed bi directional transfer over a parallel port and increase parallel port functionality by supporting more devices The two buffered high speed serial ports use a fast 16C550 UART which supports transfer rates up to 115 2 kilobits Kb per second These ports allow the installation of high speed serial devices for faster data transfer rates The two USB ports allow add...

Page 21: ... via a two connector cable Hard Drive The system supports up to three IDE hard drives the standard hard drive and two optional hard drives if a Zip drive does not come standard with the system CD ROM DVD Drive The CD ROM or DVD drive can be used to load programs from a CD or it can be used to play audio CDs The drive operates at different speeds depending on whether the CD contains music or data T...

Page 22: ...m power consumption when there is no activity detected from the keyboard mouse diskette drive CD ROM DVD drive or hard drive after a predefined period of time As soon as activity is detected the system resumes where it left off In the CMOS Setup utility an inactivity timer is available for setting the length of time before the system enters a low power mode ...

Page 23: ...2 Utilities BIOS Setup Utility Intel Processor Serial Number Control Utility ...

Page 24: ...onvolatile memory is a complementary metal oxide semiconductor CMOS chip backed up by a battery on the system board The battery 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 Use the Setup utility program to set the time and date update or check system pa...

Page 25: ...wn is typical of a system The actual settings on the Main Menu depend upon the hardware installed in the system Main Setup Menu How to Use Setup The Setup utility has a Main Menu window and six top level menus with submenus The Main Menu window contains the following areas A title line the top line of the Main Menu This line displays the Setup utility name and copyright message The menu bar the li...

Page 26: ...type and speed and to set the system time and date Use this menu to check memory parameters Advanced Use the Advanced menu to set serial port and printer port addresses and interrupts diskette drive and hard drive parameters and to enable disable the system s IDE and diskette drive interfaces The Advanced menu also provides submenu items for setting keyboard features video configurations and DMI e...

Page 27: ...ent menu F10 Saves the current values and exits Setup Enter Executes a command or selects submenu Selecting a Menu Item To select a menu item use the up down arrow keys to move the cursor to the desired field Then press Enter The Exit Saving Changes command in the Exit Menu saves the values currently displayed in all the menus Displaying a Submenu To display a submenu use the up down arrow keys to...

Page 28: ...ntium III processor at startup Check for a patch to fix the identification in the General tab at Microsoft s website www microsoft com or the NEC CSD website www nec computers com Processor Speed This field displays your processor s speed System Memory and Memory Banks 0 2 This field displays the total amount of memory installed on your system board and in which banks the memory is installed Langu...

Page 29: ...menu highlight this field then press Enter The following options appear Serial Port A Serial Port B These options let you configure your system s Serial Port A or Serial Port B You can choose Auto Enabled default or Disabled The Enabled default setting is 3F8h IRQ4 Note that if you set a specific serial port address it does not appear in the list of options for the other serial port CAUTION An ast...

Page 30: ... or CD ROM drives Depending on the system purchased the available options may include User Auto default CD ROM ATAPI Removable Other ATAPI IDE Removable or None The standard hard drive drive C shipped with the system is configured as Primary IDE Master The standard CD ROM drive is configured as Secondary IDE Master Note Jumpers on the IDE device must be set to the master or slave device see the do...

Page 31: ...es the LBA mode control You can enable or disable default this option This option cannot be changed when Auto is selected CAUTION Do not change the translation mode setting from the option selected when the hard drive was formatted Changing the option after formatting can corrupt data Transfer Mode This option specifies the method for transferring data between the hard drive and system memory This...

Page 32: ...d Floppy Write Protect options Floppy Disk Controller This option configures the system s diskette drive controller Select Enabled default or Disabled Diskette A These fields specify the capacity and physical size of Diskette Drive A 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 inch 1 44 1 25 ...

Page 33: ...abled or Enabled default Mark DMI Events as Read This option is used to mark off all DMI Events as read If necessary press Enter to access the Confirmation dialog box and confirm your preference To return to the Advanced Menu press Esc Video Configuration Submenu This submenu can be used to configure specific video features To enter the submenu highlight the field then press Enter The following op...

Page 34: ...he arrow keys then press Enter to change the setting CAUTION An asterisk symbol appearing next to an option indicates that the selected IRQ is set to conflict with another device To return to the Advanced Menu press Esc twice Then press the right arrow cursor key to move to the Security Menu Security Menu The Security Menu can be used to set a user password and or an administrator password A User ...

Page 35: ...enters its low power mode Hard Drive This option controls whether or not a spin down command is issued to the hard drives when the system goes into a low power mode Your choices are Enabled default or Disabled VESA Video Power Down This option controls power to the monitor during the low power modes Your choices are Disabled or Enabled Fan Always On This option controls the fan when the system is ...

Page 36: ...nus key allows you to select the order For maximum system accessibility Removable Device should always be set as the First Boot Device Hard Drive Submenu This submenu lists the system s available hard drives Your computer tries to boot to the operating system on the first device listed on the Hard Drive submenu If no operating system is found the system continues trying the drives in the order the...

Page 37: ...us values from CMOS RAM for all BIOS settings Note If your system s CMOS fails the BIOS will load custom default settings if you ve saved them or factory default settings Finally press Enter again to confirm and exit the Setup program Intel Processor Serial Number Control Utility The Intel Processor Serial Number Control utility is a Windows program that enables or disables the reading of the Pent...

Page 38: ... identifier for the processor The processor serial number is designed to be unique and when used in conjunction with other identification methods can be used to identify the system or user This number can be used in a wide variety of applications which benefit from stronger forms of system and user identification The processor serial number is analogous to a conventional serial number with these i...

Page 39: ...oad a program which can read the processor serial number Almost all browsers are configured to warn users whenever they download executable software Unless you disable the warning in the browser you should receive a notification Does Intel track serial numbers Generally not other than related to the manufacturing process Intel does not in the absences of advance and express consent of a user colle...

Page 40: ...tel HotLine Service Technical Support For world wide 7 days a week 24 hours a day technical support please visit the Intel support website at http support intel com Email support intel com In the United States call 800 628 8686 from 5 00 a m to 5 00 p m Pacific Standard Time For world wide phone contacts please see http support intel com support feedback htm ...

Page 41: ...3 Option Installation General Rules Precautions Access Cover Removal Access Cover Replacement Expansion Boards Memory Upgrade Data Storage Devices External Options ...

Page 42: ...he procedure Use a Phillips head screw driver unless otherwise specified Label any removed connectors Note where the connector goes and in what position it was installed Precautions Take care when working inside the system and when handling computer components Avoid electric shock or personal injury by observing the following warning WARNING Before removing the access cover turn off the power and ...

Page 43: ...er components and is out of the path of the system unit cover Prevent damage to the connectors by aligning connector pins before you connect the cable When disconnecting a cable always pull on the cable connector or strain relief loop not on the cable Access Cover Removal The following procedure describes how to remove the access cover from the desktop or minitower system WARNING Before removing t...

Page 44: ...ease tab While pressing the tab push down and back on the left rear of the cover The cover slides back about a half inch Releasing the Cover A Release Tab B Thumb Screw 5 Lift the access cover off the system Access Cover Replacement To replace 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 ta...

Page 45: ...sion slots that can accommodate accessory adapter boards such as a modem board Depending on the system you purchased some of these devices may be installed in your system The Direction SP B Series supports ISA Plug and Play expansion 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 ...

Page 46: ... six expansion slots one ISA slot three PCI slots one shared ISA PCI slot one AGP slot The following figure shows expansion slot locations Locating Expansion Slots A ISA Slots B PCI ISA Slot C PCI Slots D AGP Slot Expansion Board Installation Install expansion boards in the system as follows 1 Remove the access cover 2 Follow any preinstallation instructions that come with the expansion board such...

Page 47: ...em Take care to keep the slot cover from falling when removing the screw If the slot cover does fall into the unit remove it before replacing the cover 4 Hold the board by its edges and insert it into the expansion slot 5 Press the board firmly into the expansion slot connector Gently rock the board from side to side to seat it into the connector 6 Insert the screw removed earlier to secure the ex...

Page 48: ...board out of the connector Gently rock the board from side to side to release it from its connector 5 Replace the access cover Memory Upgrade Your system comes factory installed with 32 MB to 384 MB of main system memory Memory is factory installed in one to three 168 pin Dual In line Memory Module DIMM sockets on the system board Install memory in one two or three sockets The memory size and spee...

Page 49: ...ables block access to the DIMM sockets label and disconnect them If any boards block access to the sockets remove them 1 Locate the three DIMM sockets J7J1 Bank 0 J6J2 Bank1 and J6J1 Bank 2 See Appendix B to identify the sockets 2 Use the following table to determine the DIMM configuration needed to upgrade memory The table provides sample memory configurations it is not a complete list of all mem...

Page 50: ... 128 MB 384 MB DIMM Removal Use the following procedure to remove a DIMM CAUTION Reduce static discharge by touching the system s metal chassis 1 Remove the access cover 2 Locate the DIMM sockets 3 To remove a DIMM from its socket press the plastic clips at the outer edges of the socket away from the DIMM 4 Carefully rock the DIMM to pull it from the socket Removing a DIMM A Plastic Clip 5 Store t...

Page 51: ... chassis 4 To install a DIMM align the module with an empty socket Make sure that the notches on the DIMM line up with the keys in the sockets 5 Insert the DIMM into the socket Close the plastic clips at both ends of the socket Installing a DIMM A Plastic Clip 6 Replace any cables or boards that may have been removed 7 Replace the access cover Data Storage Devices The system board in your computer...

Page 52: ...slot locations in the system Locating Device Slots A 3 1 2 Inch Internal Device Slot B Second 3 1 2 Inch Internal Device Slot C 3 1 2 Inch Diskette Drive D 3 1 2 Inch Device Slots E 5 1 4 Inch Accessible Device Slots Device Preparation Before installing a storage device in the system follow any preinstallation instructions that come with the device For example check the following IDE device check ...

Page 53: ...installation of optional storage devices include diskette drive signal cable IDE signal cables system power cables The addition of a tape backup unit might require the replacement of the existing diskette drive cable The addition of an IDE device does not require the replacement of the existing IDE cable The existing IDE cables support two devices on each cable Cable connector locations are shown ...

Page 54: ...d edge of the cable with pin 1 the notched end on the drive connector The following figure shows a three connector diskette drive signal cable Diskette Drive Signal Cable A Connects to 1 44 MB Diskette Drive B Connects to Optional Tape Backup Unit C Connects to System Board IDE Signal Cables Each system comes with a three connector IDE interface cable attached to the primary IDE connector and the ...

Page 55: ...e 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 keyed to fit only in the correct position The following figure shows the power cable connectors Power Cable Connectors A Small Power Cable Connector B Large Power Cable Connector ...

Page 56: ...e following figure 2 Locate an available power connector coming from the power supply 3 Connect the appropriate power cable to the power connector on the IDE device Connecting IDE Device Cables A IDE Cable B Power Cable 4 If installing an IDE CD ROM drive also connect the audio cable see the instructions that come with the drive Cabling an Accessible 5 1 4 Inch Device 1 Connect the diskette drive ...

Page 57: ...include removing the front panel removing the CD ROM DVD drive installing a 3 1 2 inch device installing a 5 1 4 inch device replacing the front panel Removing the Front Panel Use 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 press in a third tab a...

Page 58: ...ive If you need to remove the CD ROM DVD drive you need to remove the accessible device cage Use the following procedure to remove the accessible device cage 1 Locate the screw on the front of the system between the 3 1 2 inch blank panel and diskette drive see the following figure Remove the screw Locating the Device Cage Screw A Device Cable Screw ...

Page 59: ...that interfere with installing the device 4 Remove the front panel see the previous section 5 Choose the slot for the device being installed see the following figure Locating Device Slots A 3 1 2 Inch Internal Device Slot B Second 3 1 2 Inch Internal Device Slot C 3 1 2 Inch Diskette Drive D 3 1 2 Inch Device Slots E 5 1 4 Inch Accessible Device Slots If you are installing the device in the second...

Page 60: ...rds the back of the system unit until it is free of the molded plastic Align the two screw holes on the hard drive with the two tabs on the bracket see the following figure Slide the hard drive onto the tabs Aligning the Holes and Tabs A Hole B Tab C Tab D Hole Place the hard drive into the bracket and secure with the screw ...

Page 61: ... the Bracket Screws If you are installing the device in the standard 3 1 2 inch internal device slot simply insert the drive into the opening until it is secured see the following figure Secure the drive with two screws inserted into the front of the system Inserting the Device If you are installing a device in an accessible slot go to step 6 Otherwise continue to step 7 ...

Page 62: ...ank panel out see the following figure Removing the Blank Panel A Blank Panel Tab Use a screw driver to remove the metal slot cover by carefully pressing it until it breaks away from the chassis CAUTION Be careful of sharp edges Slide the device into the slot and secure the device 7 Connect the device cables see Cabling an IDE Device 8 Replace the front panel 9 Replace the access cover ...

Page 63: ...e with installing the device 5 Remove the front panel 6 Remove the plastic blank panel If you are installing a hard drive keep the panel handy 7 Use a screw driver to remove the metal slot cover by carefully pressing it until it breaks away from the chassis CAUTION Be careful of sharp edges 8 From the front of the system slide the device connector end first into the device slot Note To easily acce...

Page 64: ...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 corresponding slots on the system three of the tabs have holes the others have prongs 2 Press the front panel squarely into position until the tabs lock the panel in place 3 Replace the access cover 4 After securing your system reboot it and run...

Page 65: ...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 instructions that come with the printer Connect a parallel printer to the system as follows 1 Turn off power to the system and printer 2 Connect the printer cable to the printer port on the rear of the system unit see the following figure 3 Secure the cable ...

Page 66: ...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 serial ports on the rear of the computer see the following figure 3 Secure the cable with the screws provided 4 Connect the other end to the serial device 5 Turn on the serial device and the computer Locating the Serial Ports A Serial Port 1 B Serial Port 2 ...

Page 67: ...4 Maintenance and Troubleshooting Maintenance Troubleshooting ...

Page 68: ...rmation about NEC CSD products call FaxFlash SM use the automated service to have the latest Technical Information Bulletins sent to your fax machine 24 hours a day In the U S call 1 888 329 0088 call 1 888 FAX 0088 Outside the U S call 1 916 379 4780 To send technical questions over email tech support neccsd com To fax technical questions to customer support In the U S fax 1 801 578 5101 To acces...

Page 69: ...ing As necessary inspect and clean the inside of the keyboard as follows 1 Remove the eight screws holding the keyboard enclosure together Note The keyboard and cable together are considered a whole unit field replaceable assembly Therefore disassembly of the keyboard is necessary only when cleaning the inside 2 Separate the two halves of the enclosure Clean the enclosure and keys with a damp clot...

Page 70: ... by step instructions for diagnosing and solving system hardware problems are provided Technical support is available at 1 888 632 2678 If disassembly is required see Section 5 Disassembly and Reassembly Connector pin assignments are given in Appendix B Connector Pin Assignments Jumper settings are given in Appendix C System Resources Diagnosing and Solving Problems One beep indicates that the sys...

Page 71: ... blank interface ports not working and keyboard lamp out and or cannot input from the keyboard Perform the first four checks in the solution for the No power problem in this table Check power supply voltages Voltages should be measured with a load on them system board plugged in See Appendix B Connector Pin Assignments Replace the power supply Operating system does not boot Intermittent beeping at...

Page 72: ... Replace as necessary Check power supply Replace diskette drive Replace system board Hard drive malfunction Hard drive lamp does not light but hard drive can be accessed Check cable connections between lamp and system board Hard drive controller failure message displayed Check that the IDE port and hard drives are enabled in Setup Cannot access the hard drive Check signal power connections between...

Page 73: ...tting or the video driver used Check that the utility is not selecting a refresh rate resolution that is not supported by the monitor Check that the driver used matches the capabilities of the video controller and memory Wavy display Check that the computer and monitor are not near motors or electric fields Blank display Press any key and move the mouse to ensure power management has not blanked t...

Page 74: ...y Check the power supply Replace as necessary Check the system board Replace as necessary No sound from CDs Check that speaker power is on and volume is adjusted Check audio software settings Check the CD disc Check the drive audio cable Replace as necessary Replace the CD ROM DVD drive Replace the system board Zip drive malfunction System power not on Turn system power on Cannot access Zip drive ...

Page 75: ...s include timer tick interrupt shutdown test unexpected interrupt in protected mode gate A20 RAM test interval timer channel 2 test clock serial and parallel port test numeric processor system board select and extended CMOS RAM The following table describes the beep codes Beep Code Descriptions Beeps Description 1 2 Search for option ROMs 1 2 2 3 BIOS ROM checksum 1 3 1 1 Test DRAM refresh 1 3 1 3...

Page 76: ...ore the system after replacing the battery 2 Remove the system access cover 3 Locate the battery and its socket on the system board see the following figure Locating the Battery A Battery 4 Use fingers to carefully pull the battery up until it is clear to slide the battery out of the socket WARNING The battery can explode if it is incorrectly replaced or improperly discarded Use only the same type...

Page 77: ... 4 11 5 With the positive side facing up press the new battery into the socket 6 Replace the system access cover 7 Connect external peripherals and power cables 8 Run Setup to reconfigure system parameters see Section 2 Setup Utility ...

Page 78: ...5 Disassembly and Reassembly Disassembly Illustrated Parts Breakdown ...

Page 79: ...ence Part See Page 1 System access cover 5 3 2 Expansion board s 5 3 3 Front panel 5 4 4 Side panel 5 5 5 Device cage 5 5 6 Diskette drive 5 6 7 5 1 4 inch device 5 6 8 Optional 3 1 2 inch hard drive 5 7 9 Standard 3 1 2 inch hard drive 5 8 10 Fan assembly 5 9 11 DIMM module 5 9 12 Power supply 5 9 13 System board 5 10 When disassembling the system unit follow these general rules Disconnect all pe...

Page 80: ... is unplugged System Access Cover To remove and replace the system access cover see Section 3 Option Installation Expansion Board Removal Remove any installed expansion board s per the following steps 1 Remove the system access cover as described in Section 3 Option Installation 2 Disconnect any cables leading from the expansion board s 3 Remove the screw that secures the board to the support brac...

Page 81: ...ocate 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 the panel to release the panel see the following figure Releasing the Front Panel A Release Tab B Thumb Screw 3 Pull the panel away from the chassis ...

Page 82: ... Slide the side panel towards the rear of the unit and away from the unit Device Cage Removal Remove the device 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 1 2 inch blank panel and diskette drive see the following figure Remove the screw Locating the Device Cage Screw A De...

Page 83: ...ng the Two Diskette Drive Clips A Diskette Drive Clips 4 Squeeze the two clips and pull 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 device cage as previously described 2 Label and unplug the signal and power cables from the optional device in the...

Page 84: ...he optional 3 1 2 inch hard drive as follows 1 Remove the system access cover and front panel as previously described 2 Label and unplug the hard drive power and signal cables from the hard drive 3 Remove the two screws securing the 3 1 2 inch hard drive bracket to the front of the system unit see the following figure Removing the Bracket Screws A Two Drive Bracket Screws ...

Page 85: ...osite side of the bracket Standard 3 1 2 Inch Hard Drive Removal Remove the standard 3 1 2 inch hard drive as follows 1 Remove the system access cover and front panel as previously described 2 Unplug the hard drive power and signal cables from the optional hard drive 3 Locate the two screws securing the 3 1 2 inch hard drive in the molded plastic cage at the front of the system Remove the screws 4...

Page 86: ...cover and any expansion boards as previously described 2 Press the locking clips at the ends of the socket away from the DIMM memory module see the following figure 3 Gently rock the module while pulling it up from the socket Removing a DIMM A Plastic Clip When installing a DIMM module align the notches on the module with the keys in the memory socket insert the module and press in the plastic loc...

Page 87: ...Board Removal Remove the system board per the following steps 1 Remove the system access cover expansion boards fan assembly and power supply as previously described 2 Remove and label all cables connected to the system board Appendix B Connector Pin Assignments provides the connector identifiers and pin assignments for each connector 3 Locate and remove the one screw at the rear of the unit that ...

Page 88: ...oes not match the actual processor use the following procedure to set the system s processor speed Use the following steps to adjust the system s processor speed 1 Turn off the system and remove the access cover 2 Locate jumper J8A1 on the system board 3 Move the jumper block from pins 1 and 2 normal mode to pins 2 and 3 configure mode 4 Turn on the system The Maintenance menu appears showing the ...

Page 89: ...omega ATAPI Zip drive 5a 6 4 GB hard drive IDE UDMA 5b 10 2 GB hard drive IDE UDMA 5c 14 4 GB hard drive IDE UDMA 6 Microphone 7 3 5 inch diskette drive 8 Speaker internal 9 Left side cover 10 Top cover access cover 11 Front panel 12 Right side cover 13 Power supply Sparkle 14a Altec Lansing speakers ACS90 14b Altec Lansing speakers ACS45 15a 8 MB Video board Diamond Stealth II G460 AGP 15b 8 MB V...

Page 90: ...AC power cable Not shown Battery CMOS Not shown Active heatsink CPU Not shown Direction SP B Series User s Guide Not shown Cable keeper cord Not shown Heatsink bar top Not shown 5 1 4 inch drive panel Not shown 3 1 2 inch drive panel Not shown Power LED cable Not shown Floppy diskette drive clip L assembly Not shown Floppy diskette drive clip R assembly Not shown Phone cord cable extension Not sho...

Page 91: ...tion SP B Series Desktop Illustrated Parts Breakdown _______ This data was prepared April 1999 For an up to date listing of spare parts please call FaxFlashSM at 1 888 329 0088 or 1 916 379 4780 outside the U S and order document 42102343 ...

Page 92: ...50 AGP 9a 56 Kbps modem board 9b 56 Kbps PCI Winmodem board 9c 56 Kbps Diamond Supra 56I V 90 PCI modem board 10 3C509C TX network board 11 System board 12a 350 MHz Pentium II 12b 400 MHz Pentium II 12c 450 MHz Pentium II 12d 500 MHz Pentium III 13 Retention mechanism kit 14a 32 MB DIMM non parity 14b 64 MB DIMM non parity 14c 128 MB DIMM non parity 15 Power supply Sparkle 16a Altec Lansing speake...

Page 93: ...CPU Not shown Direction SP B Series User s Guide Not shown Cable keeper Not shown Heatsink bar top Not shown 5 1 4 inch drive panel Not shown 3 1 2 inch drive panel Not shown Power LED cable Not shown Floppy diskette drive clip L assembly Not shown Floppy diskette drive clip R assembly Not shown Phone cord cable extension Not shown Modem user s guide Not shown Tape cartridge Seagate Travan Not sho...

Page 94: ...ion SP B Series Minitower Illustrated Parts Breakdown _______ This data was prepared April 1999 For an up to date listing of spare parts please call FaxFlashSM at 1 888 329 0088 or 1 916 379 4780 outside the U S and order document 42102343 ...

Page 95: ... Random Access Memory Read Only Memory Video Memory Calendar Clock Input Output Facilities Expansion Slots Keyboard and Mouse Storage Devices Device Slots Graphics Sound System Dimensions Weight Power Recommended Operating Environment ...

Page 96: ...e system board A 242 pin edge connector is implemented on the processor board for system board installation Retention Mechanism RM is inserted over slot 1 to act as an insertion guide and prevent movement of processor after subsystem mounting For thermal protection a heatsink is supported by a Heat Sink Support HSS which is attached to the system board Random Access Memory Standard Random Access M...

Page 97: ...es up to 115 2 Kbits per second 9 pin connectors Universal Serial Bus USB two USB ports support two USB peripherals directly to the system with appropriate connector each port supports up to 127 daisy chained devices supports 12 megabits Mbs per second Keyboard PS 2 compatible 6 pin connector mini DIN Mouse PS 2 compatible 6 pin connector mini DIN IDE dual IDE channels two fast IDE channels CD ROM...

Page 98: ...ouse PS 2 compatible six pin connector Storage Devices Accessible Devices 3 1 2 inch 1 44 MB diskette drive CD ROM DVD drive Zip Drive Iomega Zip 100 ATAPI drive on some systems removable 100 MB data disks data transfer rate up to 1 4 MB per second Device Slots Seven device slots One 3 1 2 inch accessible device slot contains the standard 1 44 MB diskette drive One internal 3 1 2 inch hard drive s...

Page 99: ... 16 7 million colors 640 by 480 pixels 256 65 000 16 7 million colors Diamond Viper V550 Graphics Support with 16 MB of video memory 1920 by 1200 pixels 256 65 000 16 7 million colors 1920 by 1080 pixels 256 65 000 16 7 million colors 1600 by 1200 pixels 256 65 000 16 7 million colors 1280 by 1024 pixels 256 65 000 16 7 million colors 1152 by 864 pixels 256 65 000 16 7 million colors 1024 by 768 p...

Page 100: ...ces the integrated audio system It provides FM synthesis and 64 simultaneous voices Dimensions System Unit Height 17 1 in 43 43 cm Desktop Width 6 5 in 16 51 cm Minitower Width 7 8 in 19 81 Depth 17 3 in 43 94 cm Keyboard Height 1 6 in 4 1 cm Width 19 0 in 48 3 cm Depth 8 4 in 21 3 cm Weight The following weights are averages Weights depend upon the system configuration System Unit 27 5 lb 12 46 k...

Page 101: ...System Specifications A 7 Recommended Operating Environment Temperature 50 F to 95 F 10 C to 35 C Relative Humidity 20 to 80 ...

Page 102: ...lel Interface Connector Power Supply Primary Keyboard and Mouse Connectors Front Panel Diskette Drive Interface Connector IDE Interface Connectors DIMM Sockets AGP Connector ISA Expansion Bus Connectors PCI Expansion Bus Connectors Universal Serial Bus Connectors ...

Page 103: ...ectors and their pinouts are described The figures show the locations of the connectors and sockets on the system board The tables following the figures list each connector by its function number and type System Board Connectors Connector s Page Number Parallel Interface B 5 Serial Interface B 5 Power Supply B 6 Front Panel B 7 Mouse Keyboard B 7 Diskette Drive B 8 IDE B 9 DIMM Sockets B 10 AGP Co...

Page 104: ...Socket Bank 2 F DIMM Socket Bank 1 G DIMM Socket Bank 0 H Diskette Drive Connector I Primary IDE Connector J Secondary IDE Connector System Board Connectors and Jumper A Fan 2 Connector B Auxiliary Line In Connector C Telephony Connector D CD Audio Connector E Fan 3 Connector F Wake On LAN Connector G Fan 1 Connector H Power Supply Connector I Configuration Jumper J Front Panel Connector ...

Page 105: ...ype Parallel Interface 25 pin female sub D shell Serial Interface serial ports 1 and 2 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 male Power Supply Primary J7L1 2 x 10 pin locking header DIMM Sockets J6J1 Bank 0 J6J2 Bank 1 J7J1 Bank 2 72 pin single inline connector IDE Interface Primary J8G1 2 x 20 pin header IDE Interface Sec...

Page 106: ...lear to send 9 RI Ring indicator Parallel Interface Connector Parallel interface specifications for this port conform to the IBM PC interface Pin assignments for the parallel interface connector are listed in the following table 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 in...

Page 107: ...nector The following table shows the connector pin locations and pin assignments Primary Power Supply Connector Pin Assignments Pin Signal Pin Signal 1 3 3V 11 3 3V 2 3 3V 12 12V 3 Ground 13 Ground 4 5V 14 PS ON Power supply remote on off control 5 Ground 15 Ground 6 5V 16 Ground 7 Ground 17 Ground 8 PWRGD Power Good 18 5V 9 5VSB 19 5V 10 12V 20 5V ...

Page 108: ...o connection 3 Ground Ground 4 5V fused 5V fused 5 Keyboard Clock Mouse Clock 6 No connection No connection Front Panel The front panel connector provides cabling for the buttons and panel LEDs power and hard disk The connector pin assignments are given in the following table Front Panel Connector Pin Assignments Pin Signal Pin Signal 1 HD_PWR 10 FPSLP 2 HDR_BLNK_GRN 11 IRRX 3 HAD 12 GND 4 HDR_BLN...

Page 109: ...erved 5 Key 6 FDEDIN 7 Ground 8 FDINDX Index 9 Ground 10 FDM00 Motor enable A 11 Ground 12 No connect 13 Ground 14 FDDS0 Drive select A 15 Ground 16 No connect 17 No connect 18 FDDIR Stepper motor direction 19 Ground 20 FDSTEP Step pulse 21 Ground 22 FDWD Write data 23 Ground 24 FDWE Write enable 25 Ground 26 FDTRK0 Track 0 27 No connect 28 FDWPD Write protect 29 Ground 30 FDRDATA Read data 31 Gro...

Page 110: ...ely active signals are prefixed with a designation IDE PCI Connector Pin Assignments Pin Description Pin Description 1 Reset IDE 2 Ground 3 Data 7 4 Data 8 5 Data 6 6 Data 9 7 Data 5 8 Data 10 9 Data 4 10 Data 11 11 Data 3 12 Data 12 13 Data 2 14 Data 13 15 Data 1 16 Data 14 17 Data 0 18 Data 15 19 Ground 20 Key 21 DDRQ0 DDRQ1 22 Ground 23 I O write 24 Ground 25 I O read 26 Ground 27 IOCHRDY 28 P_...

Page 111: ...DQ7 52 CB2 94 DQ39 136 CB6 11 DQ8 53 CB3 95 DQ40 137 CB7 12 VSS 54 VSS 96 VSS 138 VSS 13 DQ9 55 VSS 97 DQ41 139 DQ48 14 DQ10 56 DQ17 98 DQ42 140 DQ49 15 DQ11 57 DQ18 99 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 CB4 147 NC 22 CB1 64 VSS 106 CB...

Page 112: ... assignments for the AGP connector AGP Connector Pin Assignments Pin Description Pin Description Pin Description Pin Description A1 12V B1 No connect A34 Vcc3 3 B34 Vcc3 3 A2 No connect B2 Vcc A35 AD22 B35 AD21 A3 Reserved B3 Vcc A36 AD20 B36 AD19 A4 No connect B4 No connect A37 Ground B37 Ground A5 Ground B5 Ground A38 AD18 B38 AD17 A6 INTA B6 INTB A39 AD19 B39 C BE2 A7 RST B7 CLK A40 Vcc3 3 B40 ...

Page 113: ...4 A53 AD13 B53 AD14 A21 SBA7 B21 SBA6 A54 AD11 B54 AD12 A22 Key B22 Key A55 Ground B55 Ground A23 Key B23 Key A56 AD9 B56 AD10 A24 Key B24 Key A57 C BE0 B57 AD8 A25 Key B25 Key A58 Vcc3 3 B58 Vcc3 3 A26 AD30 B26 AD31 A59 Reserved B59 AD_STB0 A27 AD28 B27 AD29 A60 AD6 B60 AD7 A28 Vcc3 3 B28 Vcc3 3 A61 Ground B61 Ground A29 AD26 B29 AD27 A62 AD4 B62 AD5 A30 AD24 B30 AD25 A63 AD2 B63 AD3 A31 Ground B...

Page 114: ...1 B8 Input SRDY N0WS A9 Input Output SD0 B9 Power 12V A10 Input IOCHRDY B10 Ground Ground 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 Output SA17 B14 Input Output IOR IORC A15 Input Output SA16 B15 Output DACK3 A16 Input Output SA15 B16 Input DRQ3 A17 Input Output SA14 B17 Output DACK1 A18 Input Output...

Page 115: ...0 C4 Input Output LA21 D4 Input 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 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 ...

Page 116: ...3 3V B39 LOCK A9 Reserved B9 PRSNT1 A40 SDONE B40 PERR 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 3 3V aux B14 Reserved A45 3 3V B45 AD14 A15 RST B15 Ground A46 AD13 B46 Ground A16 5V I O B16 CLK A47 AD11 B47 AD12 A17 GNT B17 Ground A48 Ground B48 AD10 A18 Ground B18 REQ A4...

Page 117: ...nal A29 AD20 B29 AD21 A60 REQ64C B60 ACK64C A30 Ground B30 AD19 A61 5V B61 5V A31 AD18 B31 3 3V A62 5V B62 5V Universal Serial Bus USB Connectors The following table lists the pin assignments and signal names for the USB connectors USB Connectors Pin Signal Name 1 Power 2 USBP0 USBP1 3 USBP0 USBP1 4 Ground ...

Page 118: ...C System Resources IRQ Settings System Resource Information Jumper Settings ...

Page 119: ... real time clock IRQ9 reserved IRQ10 USB user available IRQ11 Windows Sound System user available IRQ12 mouse IRQ13 numeric processor IRQ14 primary IDE IRQ15 secondary IDE System Resource Information Some hardware option installations might require system resources such as IRQ lines direct memory access DMA channels and input output I O addresses Follow these steps to view system resources 1 From ...

Page 120: ... J8A1 The following table summarizes the system board jumper settings System Board Jumper Settings Function Jumper J8A1 Configuration Normal Mode 1 2 Factory setting Sets the system for normal operation The BIOS uses current configuration information and passwords for booting Configure Mode 2 3 Allows system configuration After POST Setup runs automatically The Maintenance Menu appears for setting...

Page 121: ...ins 2 3 We recommend that you use needle nose pliers to move a jumper 6 Replace the access cover see Access Cover Replacement in Section 3 7 Connect system power cables and monitor 8 Power on the system The system enters Setup and the Maintenance menu appears You can disable the user and administrator passwords If you removed the jumper the system attempts to recover the BIOS A recovery diskette i...

Page 122: ...pansion Board Removal in Section 3 5 Remove the jumper block from pins 1 2 We recommend that you use needle nose pliers to move a jumper 6 Replace the access cover see Access Cover Replacement in Section 3 7 Connect system power cables and monitor 8 Power on the system The system attempts to recover the BIOS A recovery diskette is needed 9 Power off unplug the system and monitor and remove the acc...

Page 123: ...r that represents a location in storage or memory Also used to identify communication ports To communicate with a storage device AGP Accelerated Graphics Port A high speed high performance video standard supported by a dedicated connector on the system board The connector allows the connection of an AGP board to the system board s AGP bus AGP boards feature 64 or 128 bit graphics acceleration with...

Page 124: ...les to a different location for long term data storage especially for backup and security purposes Files can then be added to or deleted from the archive Also refers to the location where data is stored ASIC Application Specific Integrated Circuit A chip designed for use on a particular circuit board or for a very narrow range of use The digital signal processor chip on a modem is an ASIC asynchro...

Page 125: ... memory between 0 and 640 kilobytes available to the user for operating system and application programs batch file A file that contains a series of DOS commands Batch files have the extension bat If you execute a batch file DOS attempts to carry out all the commands in the file in order baud A unit of measure for modem speed Literally the number of voltage transitions per second Phone line limitat...

Page 126: ...tiguous section of bits considered as a whole especially in memory On a disk the data in one sector in modem data transfer the bits between checksums board Printed circuit board Board onto which computer components are soldered and thin wires are printed to connect the components boot To start up a computer The computer is generally booted in one of three ways by turning on the power switch cold b...

Page 127: ...ansmitting data or electrical power from one device to another Typically the lines in a bus are dedicated to specific functions such as control lines address lines and data lines Different bus architectures have different numbers and arrangements of these lines and different names for example ISA PCI The most useful way of distinguishing bus architectures is by the number of simultaneous data bits...

Page 128: ...red in MHz The faster the clock the faster the computer can compute CMOS Complementary Metal Oxide Semiconductor A chip on the system board that contains nonvolatile memory CMOS is backed up by an internal lithium battery that preserves clock calendar data and system configuration parameters stored in CMOS codec Coder decoder Used primarily with Internet phone and video conferencing products this ...

Page 129: ...ith capacities of from 4 7 GB to 17 GB and access rates of 600 Kbps to 1 3 Mbps One of the features of DVD drives is that they are backward compatible with CD ROM disks This means that DVD players can play old CD ROMs CD I disks and video CDs as well as new DVD ROMs Newer DVD players can also read CD R disks DVD uses MPEG 2 to compress video data See MPEG E ECC memory Error Checking and Correcting...

Page 130: ...ile Allocation Table A table near the beginning of a drive that identifies the location of everything on the drive flash ROM Method in which a computer s BIOS ROM can be upgraded without replacing the ROM BIOS chip FTP File Transfer Protocol A method of transferring files between two computers on a TCP IP network such as the Internet Anonymous FTP the most common usage on the Internet allows a use...

Page 131: ...change The Universal Serial Bus see USB external bus standard supports hot plugging This is also a feature of PCMCIA Hot plugging is also called hot swapping I IDE Intelligent Drive Electronics A hard drive type that has controller electronics built into the drive and delivers high throughput interface A connection that enables two devices to communicate interrupt A signal from part of a system su...

Page 132: ...bus performance In 1993 Intel and Microsoft introduced a new version of the ISA specification called Plug and Play ISA Plug and Play ISA enables the operating system to configure expansion boards automatically so that users do not need to fiddle with DIP switches and jumpers See plug and play isochronous A form of data transmission in which individual characters are only separated by a whole numbe...

Page 133: ...re standard developed by a consortium of computer firms led by Microsoft There are three MPC standards called MPC MPC2 and MPC3 respectively Each specifies a minimum hardware configuration for running multimedia software MPEG Motion Pictures Expert Group Audio Video technology that allows for better than VHS quality video and almost CD quality audio by using advanced compression techniques MPEG fi...

Page 134: ... 64 bit extension for new processors such as the Pentium II It can run at clock speeds of 33 or 66 MHz At 32 bits and 33 MHz it yields a throughput rate of 133 megabits per second 64 bit implementations running at 66 MHz provide 524 Mbps See ISA peripheral Input or output device not under direct computer control A printer is a peripheral device pixels Picture elements Tiny dots that make up a scre...

Page 135: ...n RAM data can be directly and randomly read or written with any choice for the address It s the storage location for data that needs to be immediately available for every application in use on your computer read To extract data from a storage device such as a diskette ROM Read Only Memory Memory in which stored data cannot be modified by the user except under special conditions reset The process ...

Page 136: ...er technology called dual in line memory module DIMM provides a 64 bit bus To take advantage of the 64 bit bus on Pentium II processors use either DIMMs or pairs of SIMMs See DIMMs Slot 1 The form factor for Intel Pentium II processors The Slot 1 package replaces the Socket 7 and Socket 8 form factors used by previous Pentium processors Slot 1 is a 242 pin daughter card slot that accepts a micropr...

Page 137: ...on bits per second A single USB port can be used to connect up to 127 peripheral devices such as mice modems and keyboards USB also supports Plug and Play installation and hot plugging It is expected to eventually replace serial and parallel ports V VESA Video Electronics Standards Association The source of a SuperVGA standard used on many video boards virus Software that copies itself onto hard d...

Page 138: ... windows of video memory See VRAM and SGRAM write To record or store information to a storage device write back Also called copy back A cache strategy where write operations to data stored in the internal microprocessor L1 cache aren t copied to system memory until absolutely necessary In contrast a write through cache performs all write operations in parallel data is written to system memory and ...

Page 139: ...te drive B 8 front panel B 7 IDE PCI boards B 9 keyboard and mouse B 7 parallel port B 5 PCI expansion slot B 15 primary power supply B 6 serial port B 5 system board connectors B 2 USB connectors B 16 Connectors system board B 2 Cover removal 3 3 3 4 D Device 5 1 4 inch removal 5 6 cage removal 5 5 slot specifications A 4 slots 3 12 DIMM connector pin assignments B 10 installation 3 11 module rem...

Page 140: ...2 7 ports 1 9 IDE boards connector pin assignments B 9 IDE devices 1 9 1 10 2 8 3 12 IDE ports 1 9 Illustrated parts breakdown desktop parts list 5 12 minitower parts list 5 15 Inactivity timer 2 13 Installing options 3 1 2 inch devices 3 19 5 1 4 inch devices 3 23 cover removal 3 3 cover replacement 3 4 data storage devices 3 11 3 17 expansion boards 3 5 external options 3 25 guidelines 3 2 inter...

Page 141: ...a storage devices 3 11 3 17 expansion boards 3 5 external options 3 25 guidelines 3 2 memory upgrade 3 8 precautions 3 2 P Parallel ports configuring 2 7 connecting printer 3 25 connecting to 3 25 connector pin assignments B 5 mode 2 8 protocols 1 9 Parallel printer connecting 3 25 Passwords administrator 2 12 clearing C 4 setting 2 12 Unattended Start 2 12 user 2 12 PCI boards connector pin assig...

Page 142: ...nsions A 6 keyboard weight A 6 operating environment A 7 power A 6 primary cache A 2 processor A 2 random access memory A 2 read only memory A 3 secondary cache A 2 sound system A 6 storage devices A 4 system unit dimensions A 6 system unit weight A 6 system weights A 6 video memory A 3 Storage devices cabling 3 16 device preparation 3 12 device slots 3 12 installation 3 11 3 12 3 17 removing the ...

Page 143: ...echnical support and spare parts 4 2 Troubleshooting 4 4 beep codes 4 9 CMOS battery replacement 4 10 diagnostics 4 4 problems and solutions 4 4 U USB connector pin assignments B 16 ports 1 9 Utilities BIOS setup 2 2 Intel processor serial number control 2 15 V Video configuration 2 11 memory specifications A 3 A 5 W Weights system and keyboard A 6 Z Zip drive 1 9 1 10 ...

Page 144: ...r 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 Reorient or relocate the receiving antenna Increase the separation betwe...

Page 145: ...ent incorrect de la batterie Remplacer uniquement avec une batterie du même type 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 m...

Page 146: ...NEC Computer Systems Division Packard Bell NEC Inc 1 Packard Bell Way Sacramento CA 95828 0903 www nec computers com 102343SRV 4 99 ...

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