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HP Vectra VL5 5 Technical Reference Manual

Hardware and bios
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See also: User Manual , Installation Manual
Technical Reference Manual
Hardware and BIOS
HP Vectra VL 5/xxx Series 5
and XA 5/xxx PC

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Summary of Contents for HP Vectra VL5 5

  • Page 1 Technical Reference Manual Hardware and BIOS HP Vectra VL 5/xxx Series 5 and XA 5/xxx PC...
  • Page 2 Pentium® is a registered trademark of Intel Corporation. SCO UNIX® is a registered trademark of the Santa Cruz Operation. SoundBlaster is a trademark of Creative Technology Limited. Hewlett-Packard France Commercial Desktop Computing Division 38053 Grenoble Cedex 9 France 1997 Hewlett-Packard Company...

  • Page 3: Conventions

    Preface This manual is a technical reference and BIOS document for engineers and technicians providing system level support. It is assumed that the reader possesses a detailed understanding of AT-compatible microprocessor functions and digital addressing techniques. Technical information that is readily available from other sources, such as manufacturer’s proprietary publications, has not been reproduced.

  • Page 4: Bibliography

    Bibliography HP Vectra VL 5/xxx Series 5 User’s Guide (D4550-90001). HP Vectra VL 5/xxx Series 5 Minitower User’s Guide (D4570-90001). HP Vectra XA 5/xxx User’s Guide (D3984-90001). HP Vectra XA 5/xxx Minitower User’s Guide (D3985-90001). HP Vectra VL 5/xxx Series 5 PC Familiarization Guide (D4550-90901).

  • Page 5: Table Of Contents

    Desktop Package ........
  • Page 6 HP Ethernet 10/100 BaseT Network Board ....52 HP Enhanced Ethernet Network Board ..... . . 54...
  • Page 7 4 Summary of the HP/Phoenix BIOS HP/Phoenix BIOS Summary ....... . 64 Setup Program.
  • Page 8 Contents 5 Power-On Self-Test and Error Messages Order in Which the Tests are Performed ..... . 86 Error Message Summary........89 Beep Codes .

  • Page 9: System Overview

    System Overview This manual describes the HP Vectra VL 5/xxx Series 5 and XA 5/xxx PC, and provides detailed system specifications. This chapter introduces the external features, and lists the specifications and characteristic data of the system. It also summarizes the documentation...

  • Page 10: Package

    (RPO) as well as RWU. Front label does not show processor speed or series information. Instead this information appears on a label on the lower front recess (desktop models) or on the right hand side panel (minitower models). Inside view of VL...

  • Page 11: Minitower Package

    Minitower Package Rear view of XA Line Line Spkr Front label does not show processor speed or series information. Instead this information appears on a label on the right hand side panel Model XA 5/200 Wty: WBK@ Prod: D3993A #ABA Sup: SAB@ S/N: Inside view of VL...

  • Page 12: Plan View Of The Chassis Base Of The Desktop Package

    Package Plan view of the Chassis Base of the Desktop Package The above illustrations shows a plan view of the desktop model, seen from above. All dimensions are in millimeters. The mounting holes for the second hard disk (95.20 44.45 mm), and those for mounting the computer on a solid surface (275.00 210.00 mm), are...

  • Page 13: Specifications And Characteristic Data

    464 mm (W) by 178 mm (D) by 33 mm (H) (18.3 inches by 7 inches by 1.3 inches) Standing 464 mm (W) by 178 mm (D) by 51 mm (H) (18.3 inches by 7 inches by 2 inches) HP Vectra VL 5/xxx MT or HP Vectra XA 5/xxx MT System Processing Unit...

  • Page 14: Environmental Specification

    1 System Overview Specifications and Characteristic Data Environmental Specification System Processing Unit with a Hard Disk Typical power consumption Acoustic noise emission Operating temperature Recommended operating temperature Storage temperature Over temperature shutdown Operating humidity Storage humidity Operating altitude Storage altitude Operating temperature and humidity ranges may vary depending upon the mass storage devices installed.

  • Page 15: Electrical Specification

    Electrical Specification For the desktop models: Limit for the Power Parameter Supply Input voltage 100-127, 200-240 Vac Input voltage range 90-264 Vac Input current (max) Input power (max) 150 W Input power (typical < 44 W < 29 W < 24 W <...
  • Page 16 1 System Overview Specifications and Characteristic Data For the minitower models: Limit for the Power Parameter Supply Input voltage 100-127 Input voltage range 90-140 Input current (max) Input power (max) 200 W Input power (typical < 44 W < 29 W <...

  • Page 17: Documentation

    Documentation The table below summarizes the availability of documentation that is appropriate to the HP Vectra VL and XA 5/xxx PCs. Three dots, ‘...’, are used to indicate ‘VL’ or ‘XA’, as appropriate. Only selected publications are available on paper. Most are available as printable files from the HP division support servers, and as viewable files (which can also be printed) on the HP Support Assistant CD-ROM.

  • Page 18: Where To Find The Information

    1 System Overview Documentation Where to Find the Information The following table summarizes the availability of information within the HP Vectra VL and XA 5/xxx PC documentation set. User Guide Product features Key features Product model numbers Connecting cables and...
  • Page 19 System Board The next chapter describes the video, disk, audio and network devices which are supplied with the various models of the computer. This chapter describes the components of the system board, taking in turn the components of the Processor-Local Bus, the Peripheral Component Interconnect (PCI) bus and the Industry Standard Architecture (ISA) bus.

  • Page 20: System Board

    Matrox MGA Millennium board in a PCI accessories slot. This includes all models of the HP Vectra XA 5/xxx PC (desktop and minitower), and some models of the HP Vectra VL 5/xxx Series 5 PC (desktop and minitower).

  • Page 21: Architectural View

    PCI bus ISA bus interface interface 2 USB 2 IDE controller controller Hard disk Serial Little Ben EEPROM (HP ASIC) 37C932 Super I/O Keyboard Mouse controller controller Parallel ISA bus controller interface 2 serial controller Controller Flexible System...

  • Page 22: Chip-Set

    2 System Board Chip-Set Chip-Set The chip-set comprises three chips. These interface between the three main buses (the Processor-Local bus, the PCI bus and the ISA bus). • The TXC chip (82439HX) is a combined PL/PCI bridge and cache controller and main memory controller and PCI-to-PL bus data path. •...
  • Page 23 11-bit tag to be used to allow 512 MB of main memory to be cached, but this facility has not been enabled in the HP BIOS. More details on the use of HP cache memory are given on page 32.
  • Page 24 Series 5 and XA 5/xxx PCs have provision for three banks. With the 32 MB module from HP, this gives a total capacity of 192 MB. With a future 64 MB module from HP, it will give a total capacity of 384 MB.

  • Page 25: Pci/Isa Bridge Chip (82371Sb)

    PCI/ISA Bridge Chip ( This chip is encapsulated in a 208 pin plastic quad flat pack (PQFP) package. PCI Bus Interface This part of the chip performs PCI-to-ISA, and ISA-to-PCI bus cycle translation. It supports the Plug-and-Play mechanism. ISA Bus Interface As well as accepting cycles from the PCI bus interface, and translating them for the ISA bus, the ISA bus interface also requests the PCI master bridge to generate PCI cycles on behalf of a DMA or ISA master.

  • Page 26: Super I/O Chip (37C932)

    Bidirectional mode (PC/XT, PC/AT, and PS/2 compatible). Enhanced mode (enhanced parallel port, EPP, compatible). High speed mode (MS/HP extended capabilities port, ECP, compatible). The integrated flexible drive controller (FDC) supports any combination of two from the following: tape drives, 3.5-inch flexible disk drives, 5.25-inch flexible disk drives.
  • Page 27 General Purpose I/O There are several general purpose I/O pins. Some of these are used on the HP Vectra to sense the current settings of system board switches (page 31 and page 39). Reserved (HP security from Little Ben IRQ)

  • Page 28: Backplane Boards

    2 System Board Backplane boards Backplane boards Desktop (front view) Desktop (rear view) Half length PCI (proprietary network) Minitower (top view) slot PCI Slot #3 (J1) PCI Slot #2 (J3) PCI Slot #1 (J4) PCI Slot #4 (J12) PCI Slot #3...
  • Page 29 PCI/ISA (short length) combination slots ISA slots (full length) ISA slots (short length) HP proprietary slot on the rear side of the desktop back plane board To accommodate ISA boards up to a maximum length of 16 cm (6.3 inches) Desktop...

  • Page 30: Devices On The Processor-Local Bus

    2 System Board Devices on the Processor-Local Bus Devices on the Processor-Local Bus The Intel Pentium Microprocessor The Pentium processor is packaged in a pin-grid-array (PGA), and is seated on the system board in a zero-insertion-force (ZIF) socket 7. Only upgrades that are pin compatible with the original processor, manufactured by Intel, are supported.
  • Page 31 Where there is a choice indicated, install the one that is appropriate for the given processor. These processors are not available for these models of HP Vectra PC at the time of printing. This information is provided for completeness only.

  • Page 32: Cache Memory

    The L2 cache memory is controlled by the PL/PCI bridge chip in the system board chip-set (see page 23 for a description, and details of timing patterns and tag size). A single HP cache memory module consists of 256 KB or 512 KB of direct mapped, write-back, synchronous pipelined burst, 8.5 ns static random access memory (SRAM).
  • Page 33 Each bank that is used must contain a pair of identical modules: the same speed (60 or 70 ns), the same width (32-bit or 36-bit), and the same technology (extended data out, EDO, or fast page mode, FPM). Different banks can contain different speed modules (but the computer will work at the speed of the slowest bank).

  • Page 34: Devices On The Pci Bus

    The secondary channel is fitted with an IDE cable with one or two connectors (one for the desktop models, two for the minitower models). If a single device (a hard disk drive or a CD-ROM drive) is attached...
  • Page 35 to a channel, it should be in the master position (the connector that is closest to the system board, unless the markings on the cables state otherwise). It is possible to mix a fast and a slow device, such as a hard disk drive and a a CD-ROM, on the same channel without affecting the performance of the fast device.

  • Page 36: Universal Serial Bus (Usb) Controller

    Devices on the PCI Bus Universal Serial Bus (USB) Controller When the HP Vectra VL 5/xxx Series 5 and XA 5/xxx PCs were first released, they were preloaded with the Microsoft Windows 95 operating system, version SR2. The Microsoft Supplement 2.1 software, which provides support of the Universal Serial Bus, was not available.

  • Page 37: Devices On The Isa Bus

    Devices on the ISA Bus ISA Device Index Super I/O 15Ch Little Ben (HP ASIC) 496h Super I/O Controller The Super I/O chip (37C932) is part of the chip set, and is described on page 26. The computer is supplied with a Logitech 2-button mouse, and a C3758A...
  • Page 38 Updating the System ROM The System ROM can be updated with the latest BIOS. This can be downloaded, as a compressed file, from the HP Electronic Services. You must specify the model of the computer since the utility which is supplied for a different model cannot be used with this one.
  • Page 39 System Board Switches Five of the system board switches (whose location is shown on page 20) set the working frequencies for the computer, as summarized on page 31. The others set the configuration for the computer, as summarized in the table on the next page.

  • Page 40: Little Ben

    Little Ben Little Ben is an HP application specific integrated circuit (ASIC), designed to be a companion to the Super I/O chip. It is described on page 73.

  • Page 41: Interface Devices And Mass-Storage Drives

    Interface Devices and Mass-Storage Drives This chapter describes the video, mass storage, audio and network devices which are supplied with the computer. It also summarizes the pin connec- tions on internal and external connectors.

  • Page 42: S3 Trio 64V2 Graphics Controller Chip

    S3 Trio 64V2 Graphics Controller Chip S3 Trio 64V2 Graphics Controller Chip Most models of the HP Vectra VL 5/xxx Series 5 PC are supplied with a graphics controller chip integrated on the system board. This 64-bit PCI Ultra VGA graphics controller can be characterized as follows: •...

  • Page 43: Video Modes

    Video Modes Standard and Enhanced Video Graphics Array (VGA) modes are available. Hardware acceleration of graphical user interface (GUI) operations is provided, and acceleration for 8, 16 and 32-bit pixel depths. The following table details the standard VGA modes which are currently implemented in the video BIOS.
  • Page 44 3 Interface Devices and Mass-Storage Drives S3 Trio 64V2 Graphics Controller Chip The extended modes supported by the video BIOS are: Extended Video Modes with 1 MB DRAM Extended VESA Interface Mode No. Mode No. Type 207h graphics 208h graphics 212h graphics 213h...
  • Page 45 Extended VESA Interface Mode No. Mode No. Type 111h graphics 111h graphics 111h graphics 111h graphics 112h graphics 112h graphics 112h graphics 112h graphics 113h graphics 113h graphics 113h graphics 113h graphics 114h graphics 114h graphics 114h graphics 114h graphics Extended Video Modes with 2 MB DRAM Extended VESA...

  • Page 46: Available Video Resolutions

    3 Interface Devices and Mass-Storage Drives S3 Trio 64V2 Graphics Controller Chip Available Video Resolutions Drivers are supplied with the computer. At the time of release, these bear the version number: A.02.04. The following table lists the available video resolutions using these drivers. The available resolutions may be different with later versions of each of these drivers.

  • Page 47: Connectors

    3 Interface Devices and Mass-Storage Drives S3 Trio 64V2 Graphics Controller Chip If Video Plug and Play is in Setup, and a DDC monitor is detected, enabled Setup will automatically configure the best refresh rate. For non DDC monitors, or when video Plug and Play is , refresh rates can be disabled changed in Setup.

  • Page 48: Matrox Mga Millennium Graphics Controller Board

    Matrox MGA Millennium Graphics Controller Board Matrox MGA Millennium Graphics Controller Board All models of the HP Vectra XA 5/xxx PC and a few models of the HP Vectra VL 5/xxx Series 5 PC are supplied with a Matrox MGA Millennium PCI graphics controller on a board fitted in a PCI accessory slot.

  • Page 49: Connectors

    There are two connectors on the back panel: the normal DB15 VGA connector, for connecting to HP displays, and a Media XL connector (used by the MPEG accessory, not supported by HP). The layout of the pins for the DB15 VGA connector are shown on page 62.
  • Page 50 1600 2 MB, 85 Hz 4 MB, 85 Hz 1152 882 is not preset on HP displays The maximum 2D resolutions for any given video memory capacity and color scale can be found from the following table: Maximum Refresh Rate...

  • Page 51: Video Bios

    8 MB 1600 1200 1600 1152 882 is not preset on HP displays Drivers are supplied with the computer. At the time of release, these bear the following version numbers: 1.22p for Windows for Workgroups 3.11 3.17b61 for Windows 95 2.30 for Windows NT 4.0.

  • Page 52: Hp Ethernet 10/100 Baset Network Board

    HP Ethernet 10/100 BaseT Network Board The HP Ethernet 10/100 BaseT Network Board is supplied on all models of the HP Vectra XA 5/xxx PC. It is based on the AMD PCnet-PCI-II 79C971 network processor chip. On desktop models, it is installed in a dedicated PCI accessory slot underneath the internal, hard disk drive, rear-shelf, plugged into the PCI Junior slot that is situated on the rear of the double-sided backplane board.
  • Page 53 The board can be configured completely by software (no switches or jumpers need changing). Drivers for the network board are supplied with the computer. At the time of release, these bear the version number P.01.05. 3 Interface Devices and Mass-Storage Drives HP Ethernet 10/100 BaseT Network Board...

  • Page 54: Hp Enhanced Ethernet Network Board

    HP Enhanced Ethernet Network Board The HP Enhanced Ethernet Network Board is supplied on some models of the HP Vectra VL 5/xxx Series 5 PC. It is based on the AMD PCnet-PCI-II 79C970 network processor chip. On desktop models, it is installed in a dedicated PCI accessory slot underneath the internal, hard disk drive, rear-shelf, plugged into the PCI Junior slot that is situated on the rear of the double-sided backplane board.

  • Page 55: Audio Controller

    Remote Power-On (RPO) There is a cable from the Remote Start connector, on the network board, to the External Start connector, on the system board. This is used by the Remote Power-On feature (RPO) that is described on page 71. This cable must be routed through the hole in the chassis.
  • Page 56 3 Interface Devices and Mass-Storage Drives Audio Controller The board is compliant with Microsoft PC 95 revised / PC 96. It has a full duplex codec, and supports a volume control on the front panel. Drivers Drivers for the audio board, working with the Windows NT operating system, are supplied with the computer.

  • Page 57: Mass-Storage Drives

    The IDE controller is described on page 34. The flexible disk controller is described on page 26. Hard Disk Drives A 3.5-inch hard disk drive is supplied on an internal shelf in some models. HP product number Manufacturer Product name Flexible Disk Drives A 3.5-inch, 1.44 MB flexible disk drive (D2035B) is supplied on the top...

  • Page 58: Connectors And Sockets

    3 Interface Devices and Mass-Storage Drives Connectors and Sockets Connectors and Sockets IDE Hard Disk Drive Data Connector Signal Reset# Ground HD10 HD11 HD12 HD13 HD14 HD15 Ground orientation key DMARQ Ground DIOW# Ground DIOR# Ground IORDY SPSYNC:CSEL DMACK# Ground INTRQ IOCS16# PDIAG#...
  • Page 59 Audio Board Connectors 1 Ground 3 Ground 5 Ground 7 Ground 9 Ground 11 Ground 13 not connected 15 Ground 17 Ground 19 Ground 21 Ground 23 Ground 25 Ground Int. Speaker Connector 1 Power signal out 2 Analog ground 1 Analog ground 3 Line-in 5 Line-out (left)
  • Page 60 3 Interface Devices and Mass-Storage Drives Connectors and Sockets Signal -12 V TRST# +12 V Ground +5 V +5 V +5 V INTA# INTB# INTC# INTD# +5 V Ground reserved reserved PRSNT# + 3.3 V reserved orientation key orientation key reserved reserved Ground...
  • Page 61 16-bit ISA Connector (8-bit ISA uses the A and B connectors) Signal Ground CHCHK# RESDRV +5 V IRQ9 -5 V DRQ2 -12 V NOWS# + 12 V Ground CHRDY SMWTC# AENx SMRDC# SA19 IOWC# SA18 IORC# SA17 DEK3# SA16 DRQ3 SA15 DAK1# SA14...

  • Page 62: Vga Connector

    3 Interface Devices and Mass-Storage Drives Connectors and Sockets Power Supply Connector for System Board Socket Pin Layouts RJ-45 UTP Connector Keyboard and Mouse Connector Serial Port Connector Signal Signal PwrGood Remote_On VSTDBY -5 V supply +5 V supply -12 V supply +5 V supply +12 V supply +5 V supply...

  • Page 63: Summary Of The Hp/Phoenix Bios

    Summary of the HP/Phoenix BIOS This chapter and the following two chapters give an overview of the features of the HP/Phoenix BIOS.

  • Page 64: Hp/Phoenix Bios Summary

    4 Summary of the HP/Phoenix BIOS HP/Phoenix BIOS Summary HP/Phoenix BIOS Summary The System ROM contains the POST (power-on self-test) routines, and the BIOS: the System BIOS, video BIOS (for models with an integrated video controller), network BIOS (for models with a network controller), and low option ROM.
  • Page 65 : N o t I n s t a l l e d <F1> to continue, <F2> to run Setup, <F10> to power off, <F5> to retain 4 Summary of the HP/Phoenix BIOS P C S e r i a l N u m b e r...

  • Page 66: Setup Program

    4 Summary of the HP/Phoenix BIOS Setup Program Setup Program To run the Setup program, interrupt the POST by pressing message appears on the initial “Vectra” logo screen. F2=Setup The band along the top of the screen offers five menus: Main, Configuration, Security, Power, and Exit.
  • Page 67 USB Devices sub-menu, is field, in the Modem sub-menu, is used when a modem 4 Summary of the HP/Phoenix BIOS Setup Program I t e m - S p e c i f i c H e l p...

  • Page 68: Security Menu

    4 Summary of the HP/Phoenix BIOS Setup Program Security Menu Sub-menus are presented for changing the characteristics and values of the User Password, the System Administrator Password, the amount of protection against use of the system’s drives and network connections (using the Hardware Protection sub-menu), and the amount of protection against being able to boot from the system’s drives and network connections...

  • Page 69: Power Menu

    4 Summary of the HP/Phoenix BIOS Setup Program Power Menu The “Power” menu allows the user to set the standby delay. It also allows the system administrator to decide whether the network, serial ports, mouse, or space bar are enabled as a means of reactivating the system from Standby or Suspend.

  • Page 70: Power Saving And Ergonometry

    If the user attempts to turn the PC off at the status panel, the PC logic will delay the shutting down of the power supply until it is safe to do so. HP Off protects the user from some types of unintentional data loss, providing a safe shutdown of running applications and unsaved files.

  • Page 71: Remote Power-On (Rpo)

    Magic Packet Magic packet is a standard for remote power-on and remote wake-up developed by HP and Advanced Micro Devices (AMD). The standard defines a Magic Packet frame as the computer’s unique Ethernet Media Access Control (MAC) address (which it has stored in an EEPROM on the network board), repeated 16 times and encoded in a valid network packet.
  • Page 72 Since the user is not physically present, the level of security must be tighter. There must be a distinction between the user-boot process, and the RPO- boot process. HP provides all the necessary Setup options to keep users from interfering with the computer during the remote session.
  • Page 73 Little Ben Little Ben is an HP application specific integrated circuit (ASIC), designed to be a companion to the Super I/O chip, that is connected between the chip-set and the processor. It contains the following: • BIOS timer hardware wired 50 ms long 880 Hz beep module.
  • Page 74 4 Summary of the HP/Phoenix BIOS Power Saving and Ergonometry dog timer detects that the BIOS is inactive (and not reloading the timer once every 6 seconds), the computer is turned off without further BIOS acknowledgment. The following table summarizes the main signals that drive or are driven by the Little Ben chip.

  • Page 75: Advanced Power Management (Apm)

    Clock throttled (divided Halted by 8) Normal speed Halted Blanked (<30 W) Blanked (<5 W typ) < 30 W 4 Summary of the HP/Phoenix BIOS Power Saving and Ergonometry Suspend Operating system Status panel button Space-bar Network (RPO) Boot delay...
  • Page 76 4 Summary of the HP/Phoenix BIOS Power Saving and Ergonometry The following diagram gives a simplified view of the useful states that the computer can be in: the three On states (Fully-On, Standby and Suspend), the RPO state (when the CPU is Off, and the RPO hardware is powered by VStandby), the Off state (when everything is powered off), and the state that is caused by power failure or unplugging the computer.
  • Page 77 4 Summary of the HP/Phoenix BIOS Power Saving and Ergonometry The following diagram gives a more accurate, more detailed account of the valid state changes.

  • Page 78: Desktop Management Interface (Dmi)

    • Disk drive access (enabled or disabled) • Communications port access (enabled or disabled) These can be accessed by clicking on the “Lock my HP Vectra PC” menu in the Control Panel. You can then use the “How to Lock”, “Lock Options” and “Advanced”...

  • Page 79: Bios Addresses

    BIOS Addresses This section provides a summary of the main features of the HP system BIOS. This is software that provides an interface between the computer hardware and the operating system. System Memory Map Reserved memory used by accessory boards must be located in the area from C8000h to EFFFFh.

  • Page 80: Hp I/O Port Map (I/O Addresses Used By The System)

    4 Summary of the HP/Phoenix BIOS BIOS Addresses HP I/O Port Map (I/O Addresses Used by the System Peripheral devices, accessory devices and system controllers are accessed via the system I/O space, which is not located in system memory space. The 64 KB of addressable I/O space comprises 8-bit and 16-bit registers (called I/O ports) located in the various system components.
  • Page 81 Internal ports (Little Ben) 0678h - 067Bh Parallel port 2 if ECP mode is selected 0778h - 077Bh Parallel port 1 if ECP mode is selected 0CF8h - 0CFFh Configuration registers for PCI devices 4 Summary of the HP/Phoenix BIOS BIOS Addresses...
  • Page 82 4 Summary of the HP/Phoenix BIOS BIOS Addresses DMA Channel Controllers Only “I/O-to-memory” and “memory-to-I/O” transfers are allowed. “I/O-to-I/O” and “memory-to-memory” transfers are disallowed by the hardware configuration. The system controller supports seven DMA channels, each with a page register used to extend the addressing range of the channel to 16 MB. The following table summarizes how the DMA channels are allocated.
  • Page 83 When a PCI device makes an interrupt request, the request is re-directed to the system interrupt controller. The interrupt request will be re-directed to one of the IRQ lines made available for PCI devices. 4 Summary of the HP/Phoenix BIOS Interrupt Request Description System Timer...
  • Page 84 In this, Slot 4 is present only on minitower models (and is omitted on desktop models); Slot R refers to the PCI proprietary slot on the rear side of the double sided backplane of desktop models (and is omitted on minitower models).

  • Page 85: Power-On Self-Test And Error Messages

    Power-On Self-Test and Error Messages This chapter describes the Power-On Self-Test (POST) routines, which are contained in the computer’s ROM BIOS, the error messages which can result, and the suggestions for corrective action.

  • Page 86: Order In Which The Tests Are Performed

    5 Power-On Self-Test and Error Messages Order in Which the Tests are Performed Order in Which the Tests are Performed Each time the system is powered on, or a reset is performed, the POST is executed. The POST process verifies the basic functionality of the system components and initializes certain system parameters.
  • Page 87 Tests the system ROM BIOS and shadows it. Failure to shadow the ROM BIOS will cause an error code to display. The boot process will continue, but Shadow the System ROM BIOS the system will execute from ROM. This test is not performed after a soft reset (using Checks the serial EEPROM and returns an error code if it has been Load CMOS Memory...
  • Page 88 5 Power-On Self-Test and Error Messages Order in Which the Tests are Performed Tests protected RAM in 64 KB segments above 1 MB. (This test is not done Protected Mode RAM Test during a reset using (Extended RAM) error code to display. Invokes a built-in keyboard self-test of the keyboard’s microprocessor and Keyboard Test tests for the presence of a keyboard and for stuck keyboard keys.

  • Page 89: Error Message Summary

    Error Message Summary The POST section of the HP BIOS no longer displays numeric error codes (such as 910B) but gives a self-explanatory, descriptive diagnosis, and a list of suggestions for corrective action. The following table summarizes the most significant of the problems that can be reported.

  • Page 90: Beep Codes

    5 Power-On Self-Test and Error Messages Beep Codes Beep Codes If a terminal error occurs during POST, the system issues a beep code before attempting to display the error. Beep codes are useful for identifying the error when the system is unable to display the error message. Beep Numeric Beep Pattern...

This manual is also suitable for:

Vectra xa5Vectra xa 5/xxx seriesVectra vl 5/xxx

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