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HP Vectra VE4 Reference Manual

Hardware and bios
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Download this manual See also: User Manual, Installation Manual
HP Vectra VE 4/xx Series PC Technical Reference
Manual Hardware and BIOS
Printed Manual Information
Trademarks
Preface
1 System Overview
High-Level System Architecture
System Board
System Board Diagram
Backplane Diagram
DX2/DX4 Type Processors
WB/WT Type Processors
Write-Through Mode
Write-Back Mode
Main Processor Chipset
I/O Chip
Video Graphics Accelerator Chip
System Physical Characteristics
Electrical Specifications
Power Consumption
Operating Environment
2 Summary of HP System BIOS
I/O Addresses
I/O Port Mapping
Memory Mapping
System Board Component Addressing
3 Integrated Ultra VGA Controller
Main Video Features
Video Memory
Video Resolutions
VESA Connector
4 System Hardware Tests
Shadow RAM Features
POST Features
POST Errors
POST Tests
Vectra 4E/xx Technical Reference
1 System Overview
1

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Summary of Contents for HP Vectra VE4

  • Page 1 HP Vectra VE 4/xx Series PC Technical Reference Manual Hardware and BIOS Printed Manual Information Trademarks Preface 1 System Overview High-Level System Architecture System Board System Board Diagram Backplane Diagram DX2/DX4 Type Processors WB/WT Type Processors Write-Through Mode Write-Back Mode...
  • Page 2 Printed Manual Information © 1995 Hewlett-Packard Company Vectra 4E/xx Technical Reference 1 System Overview...
  • Page 3 Trademarks Microsoft®, MS-DOS® and Windows NT® are U.S. registered trademarks of Microsoft Corporation. Logitech® is a registered trademark of Logitech Corp. AutoCAD® is a U.S. registered trademark of Autodesk Inc. PC-AT® is a registered trademark of IBM. Super I/O® is a trademark of National Semiconductor Corp. Vectra 4E/xx Technical Reference 1 System Overview...
  • Page 4 Preface This document provides a useful source of technical information about the HP Vectra VE 4/xx Series PCs. It has been written for those engineers and technicians who are required to provide system level support. The reader is assumed to have a detailed understanding of PC-AT compatible microprocessor functions and digital addressing techniques.

  • Page 5: System Overview

    1 System Overview Vectra 4E/xx Technical Reference 1 System Overview...
  • Page 6 High-Level System Architecture The HP Vectra VE 4/xx Series PCs incorporate the Silicon Integrated Systems (SiS) 85C496/85C497© chipset and have the following high-level architecture: Vectra 4E/xx Technical Reference 1 System Overview...

  • Page 7: System Board

    BIOS stored in Flash ROM (for easy upgradeability) BIOS support for Plug and Play preloaded Desktop Management Interface (DM I) software, DOS and Windows software Energy Star compliant power management main memory of 4 MB or 8 MB, upgradable to 64 MB...

  • Page 8: System Board Diagram

    System Board Diagram Vectra 4E/xx Technical Reference 1 System Overview...
  • Page 9 Backplane Diagram The backplane provides the following connectors and slots: one PCI connector one PCI/ISA combination connector one ISA connector three full-length slots one half-length slot Jumpers must be correctly set for the DX2 or DX4 type processor and for WB (Write-Back) or WT (Write-Through) line useage.
  • Page 10 DX2/DX4 Type Processors The CLKMUL pin is controlled by jumper JP16 which is defaulted to x3 mode (DX4). As the DX2 and DX4 are the same component running at a different clock speed, the jumper cannot be left in the DX4 position otherwise the DX2 will also run in x3 clock mode. The trace on the non-component side of the board which connects pin numbers 2 and 3 of JP16 must be cut.
  • Page 11 WB/WT Type Processors The non-WB processors do not look at the WB/WT line but all enhanced ones do (they are all WB type processors). Jumper JP10 is populated on the board. This results in the WB/WT line continually being pulled, so the processor cannot be run in WT mode. To allow WT mode for testing purposes, JP10 can be populated, then JP10 would be changed along with JP8 to select WB or WT modes.
  • Page 12 Write-Through Mode Use JP10 1-2 and JP8 2-3. Vectra 4E/xx Technical Reference 1 System Overview...
  • Page 13 Write-Back Mode Use JP10 2-3, JP8 1-2. Vectra 4E/xx Technical Reference 1 System Overview...
  • Page 14 Main Processor Chipset The main processor chipset is a SiS 85C496/497©. This incorporates two chips: PCM chip (PCI/CPU memory controller) ATM chip (AT bus controller and megacell) PCM Chip The PCM chip provides four basic functions. These are host interface, cache control, DRAM control and FS link interface.
  • Page 15 The ATM chip has the following features: Fast-slow link interface 100% ISA compatibility Integrated 8-bit BIOS timer De-turbo function switch Arbitration for ISA devices Utility bus (X-bus) peripheral support Integration of two 82C37A DMA controll ers Integration of one 82C54 timer Integration of two 82C59 interrupt controllers Non-maskable interrupts (NMI) Support for SMM and PMU features...
  • Page 16 The ATM provides an ISA compatible interrupt controller that incorporates the functionality of two 82C59 interrupt controllers. Power Management The ATM ensures that power management meets the requirements of the EPA (Environmental Protection Agency) Energy Star program. Address Decoding The ATM contains two decoders—one to decode PCI/CPU master cycles and DMA/ISA master cycles, the other to handle the cycles with which the DMA/ISA master accesses the PCI or onboard memory.
  • Page 17 I/O Chip The basic input/output control functions are provided by a National Semiconductor PC87303VUL Super I/O© chip. This combines a flexible disk controller, keyboard controller, real-time clock, dual UARTs, IEEE1284 parallel port and IDE interface. It also has the following features: Function Features Flexible disk controller...
  • Page 18 Real-time clock DS1287, MC146818 and PC87911 compatible 242-byte battery backed-up CMOS RAM in two banks Selective lock mechanism locks any half of RTC RAM Calendar in days, days of week, months, years with automatic leap-year adjustment Time of Day in seconds, minutes, hours 12 or 24 hour format Optional daylight saving adjustment BCD or binary format for time keeping...
  • Page 19 Video Graphics Accelerator Chip The video graphics accelerator is an S3 Incorporated Trio64© chip which combines a 24-bit RAMDAC, dual programmable clock generators and a high-performance accelerator core in a single device. The chip also has the following features: Advanced Architecture 64-bit graphics engine 1 MB of Fast-Page Mode DRAMs (upgradeable to 2 MB) 24-bit on-chip RAMDAC...
  • Page 20 System Physical Characteristics Feature Processor (standard) Level-one cache (write-back) Level-two cache Main memory (size/speed) Video Disk drive controller Rear connectors 25-pin parallel connector 9-pin serial connectors System board connectors Accessory slots Disk drive shelves Mouse Characteristics Weight (excluding keyboard and display) Vectra 4E/xx Technical Reference Description 486 type, 50, 66, or 100 MHz dependent on model...
  • Page 21 Dimensions Footprint Storage temperature Storage humidity Operating temperature Operating humidity Maximum thermal dissipation Acoustic noise emission Power supply Vectra 4E/xx Technical Reference 39 cm (D) by 42 cm (W) by 12.5 cm (H) (15.6 inches by 16.0 inches by 4.9 inches) 0.17 m sq (1.8 sq ft) -40°C to 70°C (-40°F to 158°F) 8% to 80% (relative)

  • Page 22: Electrical Specifications

    Electrical Specifications Rating 100 W (full range power supply) Input voltage range 100 - 240 Vac Input voltage frequency 47 - 63 Hz Vectra 4E/xx Technical Reference 1 System Overview...

  • Page 23: Power Consumption

    Power Consumption Full Power mode < 34 W Standby mode < 27 W Sleep Mode < 22 W Off* < 5 W *When the PC is turned off with the power button on the front panel, the power consumption falls below 5 Watts, but is not zero.

  • Page 24: Operating Environment

    Operating Environment The system processing unit with the hard disk has the following operating environment specifications: Operating Temperature Recommended Operating Temperature Storage Temperature Over Temperature Shutdown Operating Humidity Storage Humidity Operating Altitude Storage Altitude NOTE Operating temperature and humidity ranges may vary depending upon the mass storage devices installed.
  • Page 25 2 Summary of HP System BIOS Vectra 4E/xx Technical Reference 2 Summary of HP System BIOS...
  • Page 26 Parallel port (option 1) 3E8h - 3EFh Serial port 3 3F0h - 3F7h Integrated flexible disk controller 3F8h - 3FFh Serial port 1 3BCh - 3BEh Parallel port (option 3) Vectra 4E/xx Technical Reference 2 Summary of HP System BIOS...
  • Page 27 Secondary flexible disk controller 0378-037F Parallel port 2 03B0-03DF Video 03BC-03BF Parallel port 1 03E8-03EF Serial port 3 03F0-03F7 Flexible disk controller 03F8-03FF Serial port 1 0CF8-0CFF PCI configuration Vectra 4E/xx Technical Reference Bits 2 Summary of HP System BIOS...

  • Page 28: Memory Mapping

    09F000 to 0A0000 Extended BIOS data area — User application program area — MS-DOS© operating system 0500 to 0700 MS-DOS temp buffer 0400 to 04FF BIOS data area 0000 to 03FF Interrupt vector table 2 Summary of HP System BIOS...

  • Page 29: Interrupt Control

    Available for integrated PCI device if not used by ISA board IRQ10 Available for integrated PCI device if not used by ISA board IRQ11 Available for integrated PCI device if not used by ISA board IRQ12 Mouse Vectra 4E/xx Technical Reference 2 Summary of HP System BIOS...

  • Page 30: Pci Interrupt Request Lines

    All PCI devices with interrupt transfer support will use and share INTA#. A PCI device supporting multiple functionalities may support several INT lines (for example, the LAN/SCSI-2 controller uses INTA# and INTB#). These devices will require more than one system interrupt request line. Vectra 4E/xx Technical Reference 2 Summary of HP System BIOS...
  • Page 31 3 Integrated Ultra VGA Controller Vectra 4E/xx Technical Reference 3 Integrated Ultra VGA Controller...
  • Page 32 Main Video Features The video graphics accelerator is an S3 Incorporated Trio64© chip which combines a 24-bit RAMDAC, dual programmable clock generators and a high-performance accelerator core in a single device. It also has the following features: Advanced architecture Multimedia support Full software support Green PC/monitor Plug and Play support Support for wide range of video resolutions...

  • Page 33: Video Memory

    Video Memory The VE 4/xx PC is shipped with 1 MB of video memory which can be expanded to 2 MB for resolutions of up to 1280 x 1024 in 256 colors (for supported resolutions). The upgrade kit consists of two chips of 512 KB each. Vectra 4E/xx Technical Reference 3 Integrated Ultra VGA Controller...

  • Page 34: Video Resolutions

    Video Resolutions The video subsystem generates video data, places the data in video memory and outputs it to the display. The following video resolutions are available: BIOS Video Resolutions Resolution Number of Colors 640 x 480 16, 256, 32K, 64K 800 x 600 16, 256, 32K, 64K 1024 x 768...
  • Page 35 1024 x 768 256, 64K 1280 x 1024 OS/2 Video Resolutions Resolution Number of Colors 640 x 480 256, 64K 800 x 600 1024 x 768 1280 x 1024 Resolution Number of Colors 640 x 480 256, 64K, 16M 800 x 600 256, 64K 1024 x 768 256, 64K...

  • Page 36: Vesa Connector

    VESA Connector The Video Electronics Standards Association (VESA) defines a standard video connector, variously known as the VESA feature connector, auxiliary connector, or pass-through connector. The s support an output-only VESA feature connector. This connector is integrated directly on the system board, and is connected directly to the pixel data bus and the synchronization signals.
  • Page 37 4 System Hardware Tests Vectra 4E/xx Technical Reference 4 System Hardware Tests...
  • Page 38 Shadow RAM Features On HP personal computers, access to certain ROM data is enhanced by using shadow RAM. During the POST, the BIOS and other ROM data is copied into high-speed shadow RAM. The shadow RAM is addressed at the same physical location as the original ROM in a way which is completely transparent to applications.
  • Page 39 POST Features Whenever the computer is powered-on, or reset, the POST is automatically performed. The POST tests check that the main components of the computer are functioning correctly and initialize various system parameters. If the POST is initiated by a soft reset , the RAM tests are not [CTRL] [ALT] [DELETE]...

  • Page 40: Post Errors

    POST Errors If a device such as a hard disk has been removed, the system displays the following message during the POST test: “If the component listed above showing error has been removed, press F4 to confirm” Press F4 for confirmation that the device has been removed. Error No.

  • Page 41: Post Tests

    POST Tests This section describes the power-on self tests which are automatically performed when the system is powered-on or reset. The tests are described in the order in which the system performs them. System BIOS Tests Test Processor System (BIOS) ROM RAM Refresh Timer Interrupt RAM Shadow System ROM BIOS...
  • Page 42 Timer 0/Timer 2 Tests Timer 0 and Timer 2. Test failure causes an error code to be displayed. DMA Subsystem Checks the DMA controller registers. Test failure causes an error code to be displayed. Interrupt Controller Tests the Interrupt masks, the master controller interrupt path (by forcing an IRQ0), and the industry-standard slave controller (by forcing an IRQ8).
  • Page 43 If the device is not required for loading the operating system, it will be initialized (prepared for loading of a device driver), but not fully configured for use. If the system returns an error code during the POST procedure, refer to your HP Vectra Service Handbook for additional information. NOTE A new error code will be implemented in the next BIOS release (GP.05.03).
  • Page 44 Vectra 4E/xx Technical Reference 4 System Hardware Tests...

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Vectra ve 4/xx

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