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1-2 Technical Information

The section provides an overview of the NEC Direction™ SP B-Series
computers. Information includes:

an overview of system features

description of system components.

System Overview

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

Содержание SP B-Series

Страница 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...

Страница 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 cu...

Страница 3: ...ette 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...

Страница 4: ...age 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...

Страница 5: ...ssor 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 G...

Страница 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...

Страница 7: ...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...

Страница 8: ...tem 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...

Страница 9: ...e 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 m...

Страница 10: ...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...

Страница 11: ...el 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 ac...

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

Страница 13: ...ew 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 Th...

Страница 14: ...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...

Страница 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...

Страница 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 a...

Страница 17: ...st 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...

Страница 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 t...

Страница 19: ...ve 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...

Страница 20: ...s 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...

Страница 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 D...

Страница 22: ...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...

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

Страница 24: ...nvolatile 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 info...

Страница 25: ...n 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 lev...

Страница 26: ...ype 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 an...

Страница 27: ...nt 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 desire...

Страница 28: ...tium 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...

Страница 29: ...enu 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 Enab...

Страница 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...

Страница 31: ...s 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 whe...

Страница 32: ...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 p...

Страница 33: ...bled 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 ret...

Страница 34: ...e 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 Advan...

Страница 35: ...nters 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...

Страница 36: ...us 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...

Страница 37: ...s 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 c...

Страница 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...

Страница 39: ...ad 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 sh...

Страница 40: ...el 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 Unite...

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

Страница 42: ...e 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 work...

Страница 43: ...r 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 cabl...

Страница 44: ...ase 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...

Страница 45: ...ion 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 supp...

Страница 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 Slot...

Страница 47: ...m 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...

Страница 48: ...oard 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...

Страница 49: ...bles 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 Appendi...

Страница 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...

Страница 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...

Страница 52: ...lot 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 Accessib...

Страница 53: ...nstallation 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 diske...

Страница 54: ...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...

Страница 55: ...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 t...

Страница 56: ...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 C...

Страница 57: ...nclude 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 procedu...

Страница 58: ...ve 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 syst...

Страница 59: ...hat 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...

Страница 60: ...ds 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 th...

Страница 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 dri...

Страница 62: ...nk 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 CAUTIO...

Страница 63: ...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 car...

Страница 64: ...anel 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...

Страница 65: ...ome 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...

Страница 66: ...ome 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 Secu...

Страница 67: ...4 Maintenance and Troubleshooting Maintenance Troubleshooting...

Страница 68: ...mation 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...

Страница 69: ...ng 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 un...

Страница 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 Reassemb...

Страница 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 vo...

Страница 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...

Страница 73: ...ting 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 co...

Страница 74: ...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...

Страница 75: ...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 se...

Страница 76: ...re 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...

Страница 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 parame...

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

Страница 79: ...nce 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...

Страница 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...

Страница 81: ...cate 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...

Страница 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 devic...

Страница 83: ...g 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...

Страница 84: ...e 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 Rem...

Страница 85: ...site 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 t...

Страница 86: ...over 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 pulli...

Страница 87: ...oard 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 conne...

Страница 88: ...es 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 ac...

Страница 89: ...mega 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 cove...

Страница 90: ...C 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...

Страница 91: ...ion 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 outsid...

Страница 92: ...0 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 12...

Страница 93: ...PU 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...

Страница 94: ...on 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 outsi...

Страница 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...

Страница 96: ...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 movem...

Страница 97: ...s 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...

Страница 98: ...use 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 d...

Страница 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 pixe...

Страница 100: ...es 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...

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

Страница 102: ...el 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 Connector...

Страница 103: ...ctors 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 t...

Страница 104: ...ocket 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 Lin...

Страница 105: ...pe 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...

Страница 106: ...ear 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 li...

Страница 107: ...ector 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 5...

Страница 108: ...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 a...

Страница 109: ...rved 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 dire...

Страница 110: ...ly 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...

Страница 111: ...Q7 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 10...

Страница 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...

Страница 113: ...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 A2...

Страница 114: ...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 In...

Страница 115: ...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 ME...

Страница 116: ...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...

Страница 117: ...al 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 signa...

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

Страница 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 S...

Страница 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 operatio...

Страница 121: ...ns 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 syste...

Страница 122: ...ansion 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 Secti...

Страница 123: ...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 standa...

Страница 124: ...es 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 store...

Страница 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 yo...

Страница 126: ...iguous 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 comput...

Страница 127: ...nsmitting 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 architec...

Страница 128: ...ed 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 inte...

Страница 129: ...th 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...

Страница 130: ...le 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...

Страница 131: ...hange 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...

Страница 132: ...us 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 autom...

Страница 133: ...e 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...

Страница 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 implementation...

Страница 135: ...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 co...

Страница 136: ...r 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 fact...

Страница 137: ...n 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 t...

Страница 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 inter...

Страница 139: ...e 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...

Страница 140: ...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 In...

Страница 141: ...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 conn...

Страница 142: ...sions 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...

Страница 143: ...chnical 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...

Страница 144: ...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 turni...

Страница 145: ...nt incorrect de la batterie Remplacer uniquement avec une batterie du m me type ou d un type recommand par le constructeur Mettre au r but les batteries usag es conform ment aux instructions du fabric...

Страница 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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