manualshive.com logo in svg

NEC PowerMate CT, Инструкция по обслуживанию и справочник

Поделиться
Скачать
NEC PowerMate CT Скачать руководство пользователя страница 64

3-6   Disassembly and Reassembly

Replacing the Front Panel

Replace the front panel as follows.

1. 

Align the three tabs (

B

) on the inside edge of the front panel with their corresponding slots

(

A

) on the lower edge of the chassis (see the following figure).

2. 

Insert the tabs into their slots and press the front panel up against the chassis until the front
panel locks in place.

3. 

Replace the cover (see “Replacing the Cover” earlier in this section).

Replacing the Front Panel

A – Slots on Chassis (3)

C – Front Panel

B – Tabs on Front Panel (3)

D – Chassis Front

Expansion Boards

The following sections describe how to:

!

 

remove and replace the retainer bar, which secures expansion boards and slot covers

!

 

remove and replace expansion boards

!

 

remove and replace slot covers.

The following figure shows the locations of the expansion slots on the chassis and the expansion
board connectors on the system board.

Содержание PowerMate CT

Страница 1: ...A Powerful Versatile Corporate PC POWERMATE CT 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: ...oduct 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 va...

Страница 3: ...11 Components 1 12 System Board 1 12 System Memory 1 13 Diskette Drive 1 13 Hard Drive 1 13 AGP Video Board 1 13 Power Supply 1 13 Keyboard 1 13 Mouse 1 14 CD ROM Drive 1 14 DVD ROM Drive 1 14 CD RW...

Страница 4: ...2 31 3 Disassembly and Reassembly System Covers 3 3 Removing the Cover 3 3 Replacing the Cover 3 4 Removing the Front Panel 3 5 Replacing the Front Panel 3 6 Expansion Boards 3 6 Removing the Retaine...

Страница 5: ...Cable Connectors 4 2 Internal Cable Connectors 4 3 Jumper Settings 4 4 Locating System Board Jumpers 4 4 Changing a Jumper Setting 4 4 Upgrade Sockets 4 5 Processor Socket 4 6 RIMM Sockets 4 6 Checkin...

Страница 6: ...Support Center 8 3 9 Specifications System Board Specifications 9 2 Keyboard Specifications 9 3 Mouse Specifications 9 3 Speaker Specifications 9 4 System Unit Specifications 9 4 Hard Drive Specificat...

Страница 7: ...ating the Screws for 5 1 4 Inch Device Rails 3 21 Releasing a 5 1 4 Inch Device 3 22 Inserting a 5 1 4 Inch Device for Use in a Minitower 3 23 Removing the 3 1 2 Inch Accessible Device Bracket 3 24 Th...

Страница 8: ...p 4 13 I O Address Map 4 13 DMA Settings 4 15 Ordering Parts 5 2 PowerMate CT System FRU 5 2 Problems and Solutions 7 6 NECC Service and Support Telephone Numbers 8 2 System Specifications 9 2 System...

Страница 9: ...res and system utilities including the BIOS FLASH Utility and PowerMate Product Recovery Program Section 3 Disassembly and Reassembly provides system disassembly and reassembly procedures Each procedu...

Страница 10: ...equipment DDC Display Data Channel DIMM Dual In Line Memory Module DIP dual in line package DMA direct memory access DMAC DMA controller DMI Desktop Management Interface DOS disk operating system dpi...

Страница 11: ...connect PDA personal digital assistant PFP plastic flat package PIO parallel input output pixel picture element PLCC plastic leaded chip carrier PLL phase lock loop POST Power On Self Test p p peak to...

Страница 12: ...ce locator USB universal serial bus V volt Vac volts alternating current VCR video cassette recorder Vdc volts direct current VDT video display terminal VESA video electronics standards association VF...

Страница 13: ...1 System Overview Configurations Features Components...

Страница 14: ...l ports a parallel port a MIDI game port and audio ports Ultra direct memory access DMA remote wakeup Wake On LAN accelerated graphics port AGP audio modem riser AMR and power management are supported...

Страница 15: ...drive Hard Drive Ultra DMA 66 with SMART technology 10 GB or higher 5400 rpm or higher Graphics Memory 8 MB or higher depending on AGP video board Audio Yamaha Sound YMF 752 S Diskette Drive 3 5 inch...

Страница 16: ...s Brief descriptions of the features follow the figure PowerMate CT Minitower Front Features A USB Port F Power Sleep Button B CD ROM Drive G Power Sleep Lamp C 5 1 4 Inch Bay H Disk Activity Lamp D D...

Страница 17: ...mergency tray open feature Controls for an optional DVD ROM drive are similar DVD ROM drive DVD ROM drives offer many improvements over the standard CD ROM technology including superior video and audi...

Страница 18: ...Slots C Power Supply H System Board Connectors D Keyboard Mouse Anti Theft Bracket I Voltage Switch E AGP Video Board Minitower Rear Connector Locations A Keyboard Connector G Line In B Mouse Connecto...

Страница 19: ...ternal ports connectors jacks and expansion slots Keyboard port attach a PS 2 compatible personal system 2 compatible keyboard 101 key or 102 key with a 6 pin mini DIN connector to this port Mouse por...

Страница 20: ...stereo amplifier or a cassette or minidisc player for playback or recording Line out jack use this jack to connect an amplified output device such as powered speakers or headset a stereo tape recorder...

Страница 21: ...Windows 98 or Windows 2000 not available for Windows NT This feature is enabled or disabled through the system s BIOS see Section 2 System Configuration for Power Management BIOS settings Instantly A...

Страница 22: ...nternet and PDF documents included with various software applications Online Documentation Get quick access to comprehensive information about your system in the online PowerMate CT User s Guide See O...

Страница 23: ...mouse cables to the system making it difficult to remove the keyboard and mouse from the system Locking Tab The system has a locking tab on the rear of the system The tab fits through a mating slot in...

Страница 24: ...ory system battery internal connectors and most external connectors are housed on the system board For information on the external connectors see External Connectors earlier in this chapter The system...

Страница 25: ...the primary IDE connector on the system board is shown in Section 4 System Boards Hard drive specifications are given in Section 9 Specifications AGP Video Board Systems ship with an AGP video board...

Страница 26: ...ve offers many improvements over the standard CD ROM including superior video and audio playback faster data access and greater storage capabilities An IDE cable connects the DVD ROM drive to the seco...

Страница 27: ...bps PCI modem board The modem board allows the connection of a phone line to the system for data communications functions Network Board Some systems might come with a 10 100 network board installed in...

Страница 28: ...nfiguration Interrupt Requests Jumper Settings BIOS Setup Utility Hard Drive Security FLASH Utility Online Documentation Product Recovery Program PowerMate Driver CD Intel Processor Serial Number Cont...

Страница 29: ...ws 2000 a listing of hardware resources is available on the system Click Start point to Programs Accessories and System Tools and click System Information System Interrupts The system has 16 IRQs IRQ...

Страница 30: ...Q Steering Winfast 3D S32011 TNT2 PRO IRQ11 Shared Resource ACPI IRQ Holder for PCI IRQ Steering Intel 82801AA USB Universal Host Controller IRQ12 WheelMouse PS 2 IRQ13 Numeric Data Processor IRQ14 Pr...

Страница 31: ...mpers include system board hard drive CD ROM drive The following paragraphs list the jumpers and their factory settings System Board Jumper Settings The system board has nine jumper blocks for configu...

Страница 32: ...while power is on System Board Jumper Block Settings Function Jumper Setting Description CMOS Clear JP4 2 3 1 2 Factory setting Maintains system board configuration in CMOS RAM with onboard battery Cl...

Страница 33: ...it restores everything from memory Disables Save to RAM function BIOS Recovery JP5 1 2 2 3 Factory setting Sets the system for normal operation The BIOS uses current configuration information and pass...

Страница 34: ...used Quantum EIDE Hard Drive Jumper Settings The factory settings for the jumpers on the Quantum EIDE Ultra DMA 66 hard drive are shown in the following table The settings are for a single hard drive...

Страница 35: ...m such as security features NECC recommends that you print out or write down the current BIOS Setup parameters and store the information in a safe place This lets you restore the system to the current...

Страница 36: ...tility with various save or discard options Use the keys listed in the legend bar on the bottom of the Setup Menu to make the selections or exit the current menu The following table describes the lege...

Страница 37: ...ause the system to malfunction Note The following BIOS settings are typical and can vary between system configurations You should record your system s BIOS settings and save them in a safe place in th...

Страница 38: ...ues for Cylinders Heads Sectors Multi Sector Transfer LBA Mode Control Transfer Mode and Ultra DMA Mode are displayed but are read only When set to Auto the BIOS detects what the drive is capable of n...

Страница 39: ...A1 Fast PIO4 DMA2 Selects the method for moving data to and from the drive When Type is set to Auto the value in the field is auto detected and the field is read only Ultra DMA Mode Disabled Mode 0 Mo...

Страница 40: ...oot This field is read only and cannot be changed from BIOS Setup Example 130048 KB BIOS Revision Displays the BIOS revision number This field is read only and cannot be changed from the BIOS Setup Ex...

Страница 41: ...or EISA devices CPU Level 1 Cache Enabled Disabled Enables or disables the CPU Level 1 cache CPU Level 2 Cache Enabled Disabled Enables or disables the CPU Level 2 cache CPU Level 2 Cache ECC Check En...

Страница 42: ...gure the port Setting at Auto enables the BIOS or operating system to configure the port Base I O Address 3F8 2F8 3E8 2E8 Selects the base I O address for serial port A Interrupt IRQ3 IRQ4 Selects the...

Страница 43: ...Address IRQ 330 IRQ_10 300 IRQ_5 310 IRQ_10 320 IRQ_5 Address configuration for Midi port The Midi port and Game port must be Enabled Disabled at the same time Large Disk Access Mode Other DOS Select...

Страница 44: ...A that are not in Active state are in Standby state Pool B Power State Nap Standby This field selects the operating state of the RDRAM devices in Pool B All devices in Pool B are in Standby or Nap st...

Страница 45: ...eed System Fan Speed Vcore Voltage Vtt 1 5 Voltage 3 3V Voltage 5 0V Voltage 12V Voltage 5 Usb Voltage Battery Voltage The BIOS detects the value for each of these categories automatically and monitor...

Страница 46: ...e Assign Supervisor SmartCard field controls Supervisor access to the BIOS Setup utility and the system A PIN number controls access The Assign User SmartCard field controls user access to the system...

Страница 47: ...arrow keys to select one of the Power Menu options and press Enter to select a submenu Items with grayed out text are not available Explanations of each Power Menu item are in the following table Not...

Страница 48: ...Sleep to allow the system to enter sleep mode Power Loss Resume Keep Off Keep On Keep Loss Select the state after resume from power fail Keyboard Board Power On Disabled WIN98 KB Hot Key Selecting WIN...

Страница 49: ...t of the devices To enable or disable a device select the device and press Shift 1 To move a device between Removable Devices and Hard Drives select the device and press the n key To remove a device t...

Страница 50: ...sswords NEC Computers Inc has no capability of removing them If you install the hard drive in another PowerMate system with hard disk drive security enabled you must enter the password to allow access...

Страница 51: ...ive in another PowerMate system with hard disk drive security enabled you must enter the password to allow access to the hard drive If this PowerMate system does not support hard disk drive security y...

Страница 52: ...pletes remove the diskette 8 Reboot the system and start the Setup program Press F9 to reset the BIOS defaults Use the recorded Setup selections you made at the beginning of this procedure to set the...

Страница 53: ...the original software shipped on your system You can reinstall valuable software with the original hardware settings shipped from the factory The recovery kit includes PowerMate Recovery Boot diskett...

Страница 54: ...ch as Zip disks or onto a network drive 1 Start the Recovery program see Starting the Recovery Program earlier in this document 2 At the Recovery Program main menu choose Standard System Restore The f...

Страница 55: ...the hard disk partition manager utility Inappropriate use of FDisk can result in an irreversible loss of all data on the hard drive Format Hard Drive Performs a quick format of the computer s hard dis...

Страница 56: ...cted programs or devices are installed remove the Product Recovery CD and store it in a safe place PowerMate Driver CD The PowerMate Driver CD provides drivers for peripheral equipment that is availab...

Страница 57: ...user identification The processor serial number is analogous to a conventional serial number with these important differences A software application can read the processor serial number You can enabl...

Страница 58: ...number data that is otherwise identified with a user Which programs and or websites currently use the processor serial number You can find a complete list of programs that can take advantage of the p...

Страница 59: ...RIMM Memory Modules Processor 5 1 4 Inch Accessible Drives 3 1 2 Inch Accessible Drives 3 1 2 Inch Internal Drives CMOS Battery System Board Power Supply Front USB Port Front LED Switch Bracket Chassi...

Страница 60: ...2 inch internal drives 3 26 9 CMOS battery 3 30 10 System board 3 31 11 Power supply 3 33 12 Front USB port 3 34 13 Front LED switch bracket 3 34 14 Chassis intrusion switch 3 36 15 Minitower and des...

Страница 61: ...nplug the system unit 2 Disconnect any external devices such as a keyboard and monitor from the front or rear of the system unit Electrostatic discharge can damage computer components Discharge static...

Страница 62: ...their fold lines and out of the direct path of the cover 1 Position the cover over the side of the chassis so that the back edge of the cover is about an inch beyond the back edge of the chassis see t...

Страница 63: ...nt Panel Remove the front panel if you are installing an internal 3 1 2 inch hard drive or installing a device in one of the accessible device bays Remove the front panel as follows 1 Remove the cover...

Страница 64: ...e front panel locks in place 3 Replace the cover see Replacing the Cover earlier in this section Replacing the Front Panel A Slots on Chassis 3 C Front Panel B Tabs on Front Panel 3 D Chassis Front Ex...

Страница 65: ...s Remove the retainer bar as follows 1 Remove the cover see Removing the Cover earlier in this section 2 Press down on the two tabs on the retainer bar to release the tabs from their slots see the fol...

Страница 66: ...ut of the connector and expansion slot Set the board on an antistatic surface If you are removing an AGP board press out on the board s locking lever while pulling the board out of its connector Remov...

Страница 67: ...Bar later in this section 3 Replace the cover see Replacing the Cover earlier in this section Installing a Slot Cover A Slot Cover Removing a Slot Cover Remove a slot cover as follows 1 Slide the slot...

Страница 68: ...n Board If a slot cover is in the slot remove it see Removing a Slot Cover Save the slot cover for future use 5 Hold the new expansion board by its edges or its bracket and insert it into the expansio...

Страница 69: ...the following figure 2 Push the bar into the slots and under the edge of the chassis 3 Press down on the lock tabs C and firmly push the bar in until the tabs slide into their slots D Be sure that th...

Страница 70: ...he RIMM and Processor Sockets A Processor Socket C RIMM 2 Socket B RIMM 1 Socket D Wake On LAN WOL Connector 3 Eject a RIMM module or continuity module by pressing the plastic clips at the outer edges...

Страница 71: ...filled with two RIMM modules or one RIMM module and one continuity module If both sockets are not filled system memory won t work well or at all Removing a Continuity Module A Plastic Clip 2 B Contin...

Страница 72: ...e notches on the new module with the keys in an empty RIMM socket see the following figures 4 Press the module firmly into the socket 5 Make sure the locking clips at both ends of the module click clo...

Страница 73: ...Disassembly and Reassembly 3 15 Installing a RIMM Module A RIMM Module C Plastic Clip 2 B Notches Installing a Continuity Module A Continuity Module C Plastic Clip 2 B Notches...

Страница 74: ...board see the figure Locating the RIMM and Processor Sockets earlier in this section If the system was just running the processor and heat sink on the system board are hot To avoid a burn let the comp...

Страница 75: ...he system board 3 Carefully align the processor pins with the socket pin holes and set the processor into the socket If aligned correctly and the pins are not bent the processor seats in the socket wi...

Страница 76: ...es within it are easy to install and remove Note these guidelines before installing or removing a 5 1 4 inch device Special rails are used on 5 1 4 inch devices that allow them to be easily inserted a...

Страница 77: ...ers 2 Press the tabs on either side of the cover toward each other until they are released from their slots The tabs are at the end of the rails inside the chassis 3 Still holding the tabs slowly slid...

Страница 78: ...a Bay Cover A Slot on Rail C Bay Cover B Tab on Bay Cover Note Rails are shown partially out of the system in this figure to show in detail the tabs at the end of each rail make sure rails are fully...

Страница 79: ...press the tab toward the center of the bay with your forefinger 2 When the tab releases slide the rail out along the guide Removing or Installing Device Rails The 5 1 4 inch bays are designed for use...

Страница 80: ...out of the accessible device cage in the chassis Releasing a 5 1 4 Inch Device 5 Remove the rails from the old device see Removing or Installing Device Rails If the bay is to remain empty see step 6 o...

Страница 81: ...1 4 Inch Accessible Device 3 If the new device does not already have rails on either side use the rails from the empty bay or from the old device see Removing or Installing Device Rails 4 Position the...

Страница 82: ...the bracket 1 Remove the system unit cover and front panel see Removing the Cover and Removing the Front Panel Before removing the cover turn off system power and unplug the system power cable Power i...

Страница 83: ...signal cables 13 Replace the front panel see Replacing the Front Panel 14 Replace the system unit cover see Replacing the Cover Installing a 3 1 2 Inch Accessible Device Install a new device in the br...

Страница 84: ...rives The internal drives in the system are housed in a removable hard drive bracket The hard drive bracket is installed in the accessible device cage and is held in place by two screws on the front o...

Страница 85: ...ides on the side of the accessible device cage see the following figure Sliding the Internal Drive Bracket out of the Chassis A Guide B Tab one of four 6 Remove the four screws that secure the drive t...

Страница 86: ...anel see Replacing the Front Panel 13 Replace the system unit cover see Replacing the Cover Installing a 3 1 2 Inch Internal Drive Before removing the cover turn off system power and unplug the system...

Страница 87: ...in the chassis while you replace the screws at the front of the chassis Securing the Internal Drive Bracket A Screws 6 Reconnect the power and signal cables for all devices in the drive bracket 7 Repl...

Страница 88: ...he manufacturer s instructions Removing the battery from the system board causes the system to lose system configuration information Prior to removing the battery run the BIOS Setup Utility see Sectio...

Страница 89: ...system board only if you cannot easily upgrade components on the system board while it is within the chassis or if you are replacing the system board Removing the System Board 1 Remove the cover see R...

Страница 90: ...Technical Support Center for assistance in removing or replacing your system board 1 Place the system board in the chassis The screw holes in the board should align with the holes in the chassis The...

Страница 91: ...system AC power cord and any peripheral power cords 3 Disconnect any attached peripherals 4 Remove the system cover see Removing the Cover earlier in this section 5 Tag and unplug the power cables fro...

Страница 92: ...cutout in the front of the chassis Reverse this procedure to install a front USB port Front LED Switch Bracket Remove the LED switch bracket from the front of the chassis using these steps Before remo...

Страница 93: ...et 4 Open the LED switch bracket toward the left Once the right tabs are free the hooked left tabs can be freed Removing the Front LED Switch Bracket 5 Gently feed the LED switch cable assembly throug...

Страница 94: ...sis intrusion switch cable from its header on the system board 3 Press together the tabs that hold the chassis intrusion switch to the chassis see the following figure Removing the Chassis Intrusion S...

Страница 95: ...ct any external options such as a keyboard and monitor from the front or rear of the system unit 3 Place the system unit on its right side The lamps on the control panel should be below the power butt...

Страница 96: ...n used as a desktop you can convert it to a minitower system using the following steps Before converting the system turn off system power and unplug the system power cable Power is removed only when t...

Страница 97: ...1 4 Inch Bays 7 Remove the logo plate by unclipping its tabs from inside the front panel Position the logo plate so it is readable when the chassis is in the vertical position Press the tabs into the...

Страница 98: ...front face of the chassis Remove all five screws Carefully slip the shell which is slightly flexible off the corners of the chassis Lift the chassis out of the shell Replacing the Chassis Shell The ch...

Страница 99: ...4 System Board External Cable Connectors Internal Cable Connectors Jumper Settings Upgrade Sockets Components Resources...

Страница 100: ...ded are descriptions of system board components system memory map I O addresses and DMA settings External Cable Connectors Locations of the external cable connectors on the system board at the back of...

Страница 101: ...ort 1 D VGA Connector on video board J USB Port E Microphone In K Keyboard Port F Line In Internal Cable Connectors Locations of the internal cable connectors on the system board are shown in the foll...

Страница 102: ...PS 2 Keyboard Power On JP16 I Front USB Device Wake Up JP21 E Save to RAM JP18 The system board factory set jumper settings are included in Section 2 System Configuration How to change a jumper settin...

Страница 103: ...a jumper is moved or removed for only a few seconds The jumper change takes effect immediately even if the jumper is moved back to its original setting Check the jumper settings tables carefully and...

Страница 104: ...t be installed in the second socket Ensure that both RIMM sockets are filled with two RIMM modules or one RIMM module and one continuity module If both sockets are not filled system memory won t work...

Страница 105: ...Hub MCH 82801 I O Controller Hub ICH 82802 Firmware Hub FWH integrated audio modem Codec 97 controller AGP 2 0 support RDRAM support LAN support system manageability bus 100 MHz and higher system bus...

Страница 106: ...video integrated graphics memory controller display cache interface arbitration scheme and concurrency data buffering power management functions and support for I O bridge 82801AA I O Controller Hub I...

Страница 107: ...cache on the processor The processor is compatible with 8 16 32 and 64 bit software written for the Intel386 Intel486 Pentium Pentium II and Pentium III processors The processor is installed in a Soc...

Страница 108: ...Ultra DMA bus The primary port supports Ultra DMA 66 The installed hard drive is connected as a master device on the primary PCI IDE port The installed CD ROM drive or DVD ROM drive is connected to th...

Страница 109: ...llow the installation of high speed serial devices for faster data transfer rates Sets of I O addresses for the channels are given in the following table see Section 2 System Configuration for interru...

Страница 110: ...is specifically designed for graphics intensive operations including 3D and 2D effects texture mapping text and color pixel amplification and video acceleration The controller minimizes bus traffic b...

Страница 111: ...nfast 3D S320 II TNT2 PRO 0A000000 0B0FFFFF Intel 82820 Processor to AGP Controller 0B000000 0B00FFFF Winfast 3D S320 II TNT2 PRO F8000000 FBFFFFFF Intel 82820 Processor to I O Controller FF800000 FFF...

Страница 112: ...t LPT 1 03B0 03BB Winfast 3D 5320 II TNT PRO 03C0 03DF Winfast 3D 5320 II TNT PRO 03F0 03F3 Standard floppy disk controller 03F4 03F5 Standard floppy disk controller 03F6 Intel 82801AA Bus Master IDE...

Страница 113: ...stem s DMA settings are given in the following table DMA Settings DMA Setting Device 0 Available 1 Available 2 Standard Floppy Disk Controller 3 ECP Printer Port LPT 1 4 Direct memory access controlle...

Страница 114: ...5 Illustrated Parts Breakdown Ordering Parts Field Replaceable Units Illustrated Parts Breakdown...

Страница 115: ...Items Telephone Number To order spare parts 1 800 632 4525 Field Replaceable Units The following table lists the field replaceable units FRUs for the PowerMate CT system PowerMate CT System FRUs Item...

Страница 116: ...s for Chassis Cover 2 22 Chassis Cover 23 U shaped Chassis Shell 24 Foot Pads 8 25 Diskette Drive Bracket 26 Diskette Drive Bracket Cover 27 3 1 2 Inch Blank Panel 28 Diskette Drive with Bezel 29 40X...

Страница 117: ...d Parts Breakdown The following figure shows the illustrated parts breakdown IPB for the PowerMate CT system Each FRU on the IPB is identified with a number that cross references to the FRU list Power...

Страница 118: ...6 Preventive Maintenance System Cleaning Keyboard Cleaning Mouse Cleaning...

Страница 119: ...leaning kit As an alternative use a glass cleaner then wipe with a clean lint free cloth 4 Local distributors and dealers may sell diskette drive head cleaning kits These kits contain special diskette...

Страница 120: ...he following 1 Unplug the mouse from the system 2 Turn the mouse upside down and locate the ball cover 3 Turn the ball cover counterclockwise and remove the cover Locating the Mouse Ball Cover A Mouse...

Страница 121: ...7 Troubleshooting Checklist Diagnostics...

Страница 122: ...et or surge protector Check the outlet or surge protector by plugging in a lamp Non System Disk error message displays when the system is started A diskette is in the diskette drive and the diskette d...

Страница 123: ...t the drive does not have a diskette in it Check that the diskette is being loaded correctly Check that the system and monitor power lamps are on and the power on screen appears Check that the diskett...

Страница 124: ...yboard or mouse cable is firmly connected to the rear of the system If this does not help turn off the system wait five or more seconds and turn on the system Mouse cursor moves erratically or not at...

Страница 125: ...blems to see the possible cause and solution No sound from the speakers If the speaker set has a volume control check that the volume control is turned up Check that the speaker power is on Verify tha...

Страница 126: ...tch assembly 6 Replace the power supply 7 Replace the system board Power supply malfunction Any of the following conditions could occur Front panel lamps out diskette and or hard drives do not spin mo...

Страница 127: ...ette drive cable Replace as necessary 3 Check power supply 4 Replace diskette drive 5 Replace system board Hard drive malfunction Hard drive lamp does not light but hard drive can be accessed 1 Check...

Страница 128: ...at the driver used matches the capabilities of the video controller and DRAM Wavy display 1 Check that the system and monitor are not near motors or electric fields Blank display 1 Press any key or mo...

Страница 129: ...CD ROM drive audio cable Replace as necessary 6 Replace the CD ROM drive 7 Replace the system board Cannot access CD ROM drive 1 Check that the CD ROM driver software is loaded and not corrupted 2 Che...

Страница 130: ...8 NECC Information Services Service Telephone Numbers Technical Support...

Страница 131: ...ormation for obtaining technical support from NECC If you have access to a telephone modem and or fax machine you can use these services to obtain information on a 24 hour basis NECC Website If you ha...

Страница 132: ...ic information in your questions as possible Also if sending a fax please include your voice telephone number and your fax number with the question You will receive a response to your questions within...

Страница 133: ...ions System Board Keyboard Mouse Speakers System Unit Hard Drives Diskette Drive CD ROM Drives CD RW Drive DVD ROM Drives Zip Drive Modem Boards Network Boards ATX Power Supply Environmental and Safet...

Страница 134: ...9 8 CD ROM drives 9 8 CD RW drive 9 9 DVD ROM drives 9 9 Zip drive 9 10 Modem board 9 11 Network board 9 11 Power supply 9 12 Environmental and safety 9 12 Compliance 9 13 System Board Specifications...

Страница 135: ...o chipset AC97 Revision 2 1 compliant Graphics Memory 8 MB or higher depending on AGP video board Battery Replaceable coin type battery Keyboard Specifications The specifications for the keyboard are...

Страница 136: ...minitower Width 6 83 inches 175 mm Depth 17 75 inches 455 mm Height 17 36 inches 445 mm Dimensions desktop Width 17 36 inches 445 mm Height 6 83 inches 175 mm Depth 17 75 inches 455 mm Weight 20 3 lb...

Страница 137: ...m II SPS II Data Protection System DPS Typical Seek Time Average Track to Track Full Stroke 9 5 ms 2 0 ms 18 0 ms Average Rotational Latency 5 56 ms Rotational Speed 5 400 RPM Internal Data Rate Up to...

Страница 138: ...from media up to 66 MB sec up to 40 8 MB sec Interface ATA 5 UDMA 66 Buffer Size 512 KB Buffer Type SDRAM Data Zones per Surface 16 Bytes per Sector Block 512 Temperature non condensing Operating 5 t...

Страница 139: ...sec up to 43 2 MB sec Interface ATA 5 UDMA 66 Buffer Size 2 MB Buffer Type SDRAM Data Zones per Surface 16 Bytes per Sector Block 512 Temperature non condensing Operating 5 to 55 C 41 to 131 F Non op...

Страница 140: ...Data Transfer Rate High density mode 500 250 Kbit sec Normal density mode 250 125 Kbit sec Specifications may vary by model CD ROM Drive Specifications The specifications for the NEC 40X CD ROM drive...

Страница 141: ...te Multi session Dimensions Width Depth Height 146 mm 201 mm 41 5 mm Specifications may vary by model DVD ROM Drive Specifications The specifications for a typical 12X DVD ROM drive are included in th...

Страница 142: ...for the 250 MB Zip drive are included in the following table Zip Drive Specification Feature Specification Zip Drive Iomega Zip 250 ATAPI 2 Drive Sustained Data Transfer Rate Up to 8 Mbits sec Seek Ti...

Страница 143: ...or Control and Data Compression ITU T V 42 ITU T V 42bis MNP5 Specifications may vary by model Network Board Specifications The specifications for the optional network boards are included in the follo...

Страница 144: ...cations for the ATX 235 watt power supply is included in the following table Power Supply Specifications Feature Specification Power Supply 235 Watt Power Supply Voltage 115V or 230V Switch Selectable...

Страница 145: ...7 Part 15 Subpart B UL 1950 3rd edition Canadian C UL C22 2 No 950 95 ICES 003 Issue 2 Revision 1 European CD EMC Directive 89 336 EEC EN55022 1993 Class B EN50082 1 1997 CD LVD Directive 73 23 EEC EN...

Страница 146: ...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 147: ...an 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 f...

Страница 148: ...400 baud although the data transmission rate bps may be higher because of data compression BBS Short for Bulletin Board Service Software that serves as a communication and information source for compu...

Страница 149: ...device Any type of hardware that carries the information software required by the computer to start properly This device must also have the capacity to be recognized by the computer in the first stag...

Страница 150: ...of high speed static RAM SRAM instead of the slower and cheaper dynamic RAM DRAM used for system memory Memory caching is effective because most programs access the same data or instructions over and...

Страница 151: ...rter to say print a million white pixels than to say print white pixel number one print white pixel number two D default The system s factory setting for a specific device feature or system function A...

Страница 152: ...for PCs that offers similar performance is the EPP Enhanced Parallel Port EDO memory Extended Data Out memory A faster type of asynchronous computer memory that holds its last requested data in a cach...

Страница 153: ...16 as the base Place value indicates powers of 16 It uses the digits 0 9 and A F Used around computers because a byte eight binary digits easily converts to a two digit hexadecimal number Hexadecimal...

Страница 154: ...A Industry Standard Architecture The bus architecture used in the IBM PC XT and PC AT The AT version of the bus is called the AT bus and has become an industry standard The apparent successor is the P...

Страница 155: ...ements in parallel speeding up such things as image processing motion video speech synthesis telephony and 3 D graphics modem MOdulator DEModulator A device that links computers over a telephone line...

Страница 156: ...I Peripheral Component Interface Interconnect A self configuring personal computer local bus designed by Intel Most modern PCs include a PCI bus in addition to a more general ISA expansion bus PCI is...

Страница 157: ...on in use on your computer RDRAM Rambus Dynamic Random Access Memory Memory used to store data in computers Rambus technology is incorporated onto dynamic random access memory DRAM chips and the logic...

Страница 158: ...vidual memory chips The bus from a SIMM to the actual memory chips is 32 bits wide A newer technology called dual in line memory module DIMM provides a 64 bit bus To take advantage of the 64 bit bus o...

Страница 159: ...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 160: ...e same time that new bytes are being pumped into memory This results in much faster display than is possible with conventional single port RAM WRAM is similar to VRAM but achieves even faster performa...

Страница 161: ...tility 2 8 system 4 9 updates 2 25 Boards modem 1 15 network 1 15 system 1 12 Brackets 3 1 2 inch internal device 3 26 3 28 Buttons power 1 5 sleep 1 5 C Cable connectors external 4 2 internal 4 3 CD...

Страница 162: ...3 28 lamp 1 5 Maxtor 2 7 Quantum 2 7 removing 3 26 security 1 11 security using 2 23 specifications 9 5 Hard drive security BIOS setting 2 20 I I O addresses 4 13 Illustrated Parts List 5 4 Installing...

Страница 163: ...pts 2 3 Parts ordering 5 2 Password security 1 11 PCI IDE ports 4 10 Plug and play 4 10 Ports AGP 4 12 Power button 1 5 lamp 1 5 Power management features 1 9 Power socket for monitor 1 8 Power supply...

Страница 164: ...eaker 9 4 system 9 2 system board 9 2 system unit 9 4 Zip drive 9 10 Speed DVD ROM drive 1 5 RIMM 4 6 Standard system restore 2 27 System BIOS 4 9 cleaning 6 2 configuration 1 2 interrupts 2 2 securit...

Страница 165: ...receiving antenna Increase the separation between the equipment and receiver Connect the equipment to an outlet on a circuit different from the one to which the receiver is connected Consult the deale...

Страница 166: ...ery Disposal The CMOS battery is made of lithium Contact your local waste management officials for other information regarding the environmentally sound collection recycling and disposal of the batter...

Страница 167: ...NEC Computers Inc 15 Business Park Way Sacramento CA 95828 www nec computers com 456 00134 000SRV 8 00...

Отзывы:

Нет отзывов

Бренды по названию

Популярные бренды

Загрузить еще бренды