HP Net PC 20 HP Net PC20, Familiarization Guide

HP Net PC 20 Manual

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  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 1
    Familiarization Guide HP Small PC 20 HP Net PC 20 This guide is for experienced technicians who have already completed an HP PC family training course. It is a selfpaced training guide designed to train you to repair the PC. It contains information specific only to the repair of these PCs. For more
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 2
    Notice The information contained in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett-Packard shall not
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 3
    5 Care of Hard Disk Drives 6 HP PC Product Comparison 7 Some Product Features 9 PC Package 11 System Board and Backplane 12 Replacing the Power Supply Unit 24 Removing and Replacing the System Board 25 Support Features 26 Flashing the Latest Version of the System BIOS 26 Accessing the
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 4
    Contents Where to Find More Information 27 Complete the Questionnaire to Check Your Understanding . . . . . 28 Answers and Explanations 29 4
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 5
    Electrostatic Discharge Warning Electrostatic Discharge Warning Electrostatic Discharge (ESD) can damage processors, memory, disks, accessory boards and other components. When installing or replacing a component: 1 Do not take the new component out of its ESD package before connecting your wrist
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 6
    or knock the drive. Any shock may damage the drive and prevent it from functioning correctly. Hard disk drives already installed in HP PCs are also sensitive to shocks. If the PC's system unit is knocked or dropped accidentally, this may cause damage to installed hard disk drives. Avoid striking the
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 7
    HP Small PC 20 / HP Net PC 20 and the HP Vectra VE 8 PC. Component Microprocessor Chipset Memory Hard Disks Flexible disk drive CD-ROM Audio Interface LAN Interface Graphics Operating Systems HP Vectra VE 8/xxx PC HP Small PC 20 / HP Net PC 20 DMA/33 hard disk support q SDRAM memory allows real
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 8
    BIOS Power Supply Input/Output Cables Manually switched 115/230 VAC, 145 W continuous output Primary IDE cable: Ultra ATA Secondary IDE (CD-ROM) cable: Standard IDE Floppy disk drive cable Note: both IDE channels are Ultra ATA HP Small PC 20 / HP Net PC 20 2 serial, 1 parallel with ECP/EPP
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 9
    bilinear and trilinear filtering, z-buffering, video texturing, Gouraud shading, and alpha blending. The RAGE IIC/PRO incorporates excellent video support, suitable for MPEG-2 content and video conferencing acceleration. In addition to offering increased performance and design flexibility, the RAGE
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 10
    CPU intervention. Its 3 Kbyte Transmit and Receive FIFOs provide large on-chip storage space for both transmitted and received frames. The 82558 chip provides full support for both half duplex and full duplex operation, as well as
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 11
    PC Package PC Package Front View 12.7 mm Slim CD-ROM Drive Power Button Power LED Hard Disk Drive Access Port Keyboard Connector Mouse Connector Serial Port 2 Serial Port 1 VGA Port Voltage Selection Switch Top View Front of PC Back of PC System Board Front Panel Chassis Power Supply Unit 11
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 12
    System Board System Board and Backplane System Board and Backplane Connector is on this side Backplane PCI/ISA Combination Slot Note: The HP Net PC 20 does not have an ISA slot. 12 PCI Slot ISA Slot PCI Slot
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 13
    CMOS Clear: CMOS_CLR CAUTION: System Board Jumpers System Board and Backplane This jumper allows you to enable or disable the CMOS clear feature. Function Normal (default) Clear CMOS_CLR DO NOT boot the system with the jumper in the CLEAR position. Flash ROM Type Select: These two jumpers
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 14
    and Replacing the Cover For your safety, never remove the PC's cover without first removing the power cord from the power outlet , loosen the three screws securing the chassis cover. 5 Standing at the back of the PC, grasp the cover with both hands. Slide the cover towards you and pull upwards until
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 15
    cover onto the chassis and slide the cover forwards into position. In order to clear the chassis as you slide the cover downwards onto the PC, you may need to gently ease the sides of the cover outwards. As you slide the cover forwards into position, make sure that the clips
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 16
    Chassis To gain full access to the system board you need to remove the front panel chassis. Removing the Front Panel Chassis 1 Remove the PC's cover as described in "Removing the Cover" on page 14. 2 Using a screwdriver, remove the two screws holding the front panel chassis in place. 3 Disconnect
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 17
    any cables running between the front panel chassis and the system board. 3 Make sure that the front panel chassis is as far into the main PC chassis as it will go, and then secure the front panel chassis in position. 17
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 18
    Installing a Hard Disk Drive Installing a Hard Disk Drive To install a hard disk drive, take the following steps. 1 Remove the cover (refer to "Removing the Cover" on page 14). 2 Remove the front panel chassis (refer to "Removing the Front Panel Chassis" on page 16). 3 Slide the new hard disk drive
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 19
    hole on the right underside portion of the CD-ROM drive 4 If this is the first time that a CD-ROM is being installed in the PC, remove the front panel plastic cover from the CD-ROM drive bay by pushing outwards from the inside with your fingers. 5 Slide the new CD
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 20
    front panel chassis (refer to "Replacing the Front Panel Chassis" on page 17). 11 Replace the cover (refer to "Replacing the Cover" on page 15). 20
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 21
    Installing a Slim Floppy Disk Drive Installing a Slim Floppy Disk Drive To install a slim floppy disk drive, take the following steps. 1 Remove the cover (refer to "Removing the Cover" on page 14). 2 Remove the front panel chassis (refer to "Removing the Front Panel Chassis" on page 16). 3 If the
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 22
    Installing a Slim Floppy Disk Drive 5 Slide the floppy disk drive (connected to its tray) into the front panel chassis and secure the drive in position using the 3 screws supplied with it. 4 hooks (2 on either side) to connect the floppy disk drive tray to the front panel chassis 2 screws to
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 23
    Installing Memory Modules Installing Memory Modules Inserting a Memory Module To install a memory module, take the following steps. 1 Remove the cover (refer to "Removing the Cover" on page 14). 2 Remove the front panel chassis (refer to "Removing the Front Panel Chassis" on page 16). 3 Locate
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 24
    securing screws from the power supply unit. 1 2 3 Backplane Back of PC View from back View from top 4 Carefully remove the backplane from the system the power supply unit. 3 Replace the two screws at the back of the PC. 4 Reconnect the power supply cable coming from the power supply unit to the
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 25
    Removing and Replacing the System Board Removing and Replacing the System Board Before Replacing the System Board If there is a problem with the PC and you think it may be due to the system board, then, before replacing the board with a new one, carry out the following checks: • Check
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 26
    HP Small PC 20 / HP Net PC 20 is supported by HP TopTools (which, as of October 1998, is not the case) you can use HP TopTools to flash the BIOS. For more information about HP TopTools, refer to the HP during system startup. Troubleshooting The "Load BIOS Defaults" option (on the opening screen
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 27
    Where to Find More Information Where to Find More Information Documentation and software can be downloaded from HP's World Wide Web site: http://www.hp.com/go/thinclientsupport. 27
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 28
    answer to each question.) 1 Can you problem you are trying to solve isn't described in the product bug-list. d Check that you are electrostatically grounded. 3 What type of BIOS is in the HP Small PC 20 / HP Net PC 20? a A non-modified Phoenix BIOS. b An AMI BIOS with full DMI 2.0 support and all HP
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 29
    that the problem you are trying to solve isn't described in the product bug-list. d Check that you are electrostatically grounded. You must check all four! See page 25 for more information. 3 What type of BIOS is in the HP Small PC 20 / HP Net PC 20? d An Award BIOS. Refer to "Support Features" on
  • HP Net PC 20 | HP Net PC20, Familiarization Guide - Page 30
    Part Number : 5967-7297
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Familiarization Guide
HP Small PC 20
This guide is for experienced technicians who have already
completed an HP PC family training course. It is a self-
paced training guide designed to train you to repair the PC.
It contains information specific only to the repair of these
PCs. For more information about upgrading the PC, refer
to the documentation supplied with the PC or to HP’s Sup-
HP Net PC 20