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 be liable for errors contained herein or for incidental
or consequential damages in connection with the furnishing, performance, or
use of this material.
Hewlett-Packard assumes no responsibility for the use or reliability of its
software on equipment that is not furnished by Hewlett-Packard.
This document contains proprietary information that is protected by copyright.
All rights are reserved. No part of this document may be photocopied,
reproduced, or translated to another language without the prior written consent
of Hewlett-Packard Company.
Adaptec
Adobe and Acrobat are trademarks of Adobe Systems Incorporated.
NVIDIA™, GeForce2 GTS™ and Quattro2 MXR™ are registered trademarks or
trademarks of NVIDIA Corporation.
Matrox
Microsoft
Microsoft Corporation.
Windows NT
Pentium
WOL™
®
is a registered trademark of Adaptec, Inc.
®
is a registered trademark of Matrox Electronic Systems Ltd.
®
, Windows® and MS-DOS® are registered trademarks of the
®
is a registered trademark of Microsoft Corporation.
®
and AGPset™ are trademarks of Intel Corporation.
(Wake on LAN) is a trademark of IBM.
Hewlett-Packard France
Business Desktop Division (BDD)
Outbound Marketing Communications
38053 Grenoble Cedex 9
France
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
manufacturers’ proprietary publications, has not been reproduced.
This manual contains summary information only. For additional reference
material, refer to the bibliography on the following page.
For all warning and safety instructions, refer to the user guide delivered
with the PC Workstation.
Conventions
The following conventions are used throughout this manual to identify
specific numeric elements:
Hexadecimal numbers are identified by a lower case h.
For example, 0FFFFFFFh or 32F5h
Binary numbers and bit patterns are identified by a lower case b.
For example, 1101b or 10011011b
7
Bibliography
Documentation can be downloaded from the HP web site:
www.hp.com/go/kayaksupport
❒ HP Kayak XU700 User’s Guide
Available in English, French, Italian, German, Spanish and Swedish.
.
Extra Information Can Be
Obtained At:
❒ HP Kayak XU700
Troubleshooting Guide
Available in English, French, Italian, German, Spanish and Swedish.
❒ HP Kayak XU700 PC Workstation Service Handbook Chapter —
Available in English only.
❒ nVIDIA graphics cards
http://www.nvidia.com
❒ ELSA graphics cards
http://www.elsa.com
❒ Matrox graphics cards
http://www.matrox.com
❒ Intel Chipsets. Intel I850 chipset
http://developer.intel.com
❒ Intel Pentium 4 Processor
http://developer.intel.com
8
1
System Overview
This manual describes the HP Kayak XU700 Minitower PC Workstation
and provides detailed system specifications.
This chapter introduces the external features, and lists the specifications
and characteristic data of the system. It also provides a summary of the
documentation available.
HP Kayak XU700 PC Workstation Overview
The HP Kayak XU700 PC Workstation is based on the ATX
form factor. The following table provides an overview of the system.
FeatureDescription
System Board
Processor
Cache Memory
in processor package)
Internal Processor Clock
Speed
Chipset
Super I/O Chip
BIOS
(Basic Input/Output System
(integrated
Dimensions of 12-inches x 9.6-inches in an Extended-ATX (E-ATX) package
Intel Pentium® 4 processor.
Socket 423
Processors from 1.4 GHz and upwards with a quad pumped 100 MHz FSB
(Front Side Bus).
• Level-One: 16 KB code, 16 KB data.
Level-Two: i256 KB.
•
1.4 GHz, 1.5 GHz and higher speeds with a quad pumped 100 MHz FSB
Intel® Chipset (I850) including Memory Controller Hub (MCH) Host Bridge,
Input/Output Controller Hub (ICH) for input/output sub-system.
NS 87364.
Based on Phoenix core including:
)
4 M/bits of flash memory.
•
Support for PCI 2.2 Specification.
•
• Support for RIMM memory modules.
.
Firmware - BIOS
Flash EEPROM: Intel’s Firmware hub concept.
9
1 System Overview
HP Kayak XU700 PC Workstation Overview
FeatureDescription
HP MaxiLife Utility
Operating System
Main Memory
Mass Storage
Hardware monitoring utility that monitors system components via the SMBus
and a LCD status panel.
All models are preloaded with Windows 2000.
2 pairs of RIMM sockets supporting 2 or 4 PC800 RDRAM memory modules.
Each pair of memory sockets must contain identical memory modules
(identical in size, speed and type). That is, sockets A1 and B1 must contain
identical modules, and sockets AAAA2222 and BBBB2222 must contain identical modules (or
continuity modules).
If only two RDRAM modules are installed, use the sockets marked AAAA1111 and BBBB1111.
The other two sockets (AAAA2222 and BBBB2222) must contain continuity modules
Models are supplied with non-ECC RDRAM modules.
Both ECC and non-ECC modules are available.
Up-to-date memory upgrades are listed on the HP PC Accessories website at:
www.hp.com/go/pcaccessories
Seven shelves supporting:
Two front-access, third-height 3½-inch (one for the floppy disk drive and
•
one free) (height 1”);
Three front-access, half-height, 5¼-inch drives (height 1.0”);
•
Possibility of installing two 3½-inch hard disk drive in one of the
5¼-inch shelves using an adapter tray (available as an accessory).
Two internal 3½-inch hard disk drives (height 1.0”).
•
SCSI Controller
IDE Controller
Graphics Controllers
10
Adaptec Ultra 160 SCSI PCI card (optional).
All models include an integrated Ultra ATA-100 controller that supports up to
four IDE devices
nVIDIA Quadro2 MXR with TwinView.
•
Matrox Millennium G450-Dual monitor AGP graphics controller with 16 MB
•
.
SGRAM graphics memory (maximum configuration).
FeatureDescription
One AGP Pro Universal 4X
Accessory Card Slots
32-bit slot supporting:
1.5V AGP cards (≤25W)
•
1.5V AGP Pro Cards (≤50W)
•
High power >50W AGP Pro and 3.3V AGP cards are not supported.
Five 32-bit 33 MHz PCI (Peripheral Component Interconnect) slots supporting
all bridges and multi-function PCI devices. All five PCI slots comply with the
PCI Specification 2.2.
❒ PCI slot 5 contains a LAN interface board,
❒ PCI slot 4 is for a SCSI interface board (some models only).
1 System Overview
HP Kayak XU700 PC Workstation Overview
LAN Card
CD-ROM Drive
Audio
System Board
Connectors:
All models are supplied with an HP 10/100BT PCI Ethernet Adapter LAN card
installed in PCI slot 5, supporting Wake-On LAN (WOL) and PCI 2.2
Specification.
Models include either an IDE 48X CD-ROM, CD-RW drive or DVD drive.
Integrated on the system board CrystalClear™ CS4299 Audio Codec 97
version 2.1.
One flexible disk drive connector
•
Two ATA-100 IDE connectors (for up to four IDE devices)
•
One CD-IN audio connector
•
Internal speaker connector
•
WOL connector
•
Battery socket
•
Status panel connector
•
Main power supply connector and ATX 12V power connector
•
Auxiliary power connector (used on MT models only)
•
Main chassis fan connector
•
Processor fan connector
•
PCI card fan connector
•
Chassis intrusion connector
•
Thermal sensor connector
•
11
1 System Overview
HP Kayak XU700 PC Workstation Overview
FeatureDescription
Keyboard/Mouse
Rear Connectors
(color coded)
•
❒ HP enhanced keyboard with mini-DIN connector
❒ HP enhanced scrolling mouse with mini-DIN connector
25-pin parallel
•
❒ Mode: Centronics or bidirectional modes (ECP/EPP)
❒ Parallel port: 1 (378h, IRQ 7), 2 (278h, IRQ 5), or Off.
9-pin serial (two, buffered)
•
❒ Standard: Two UART 16550 buffered serial ports
❒ Serial Ports A and B: 2F8h (IRQ 3), 2E8h (IRQ 3),
(if one port uses 2xxh, the other port must use 3xxh).
Dual USB connectors
•
Audio
•
❒ LINE IN jack (3.5 mm)
❒ LINE OUT jack (3.5 mm)
❒ MIC IN jack (3.5 mm)
(both RS-232-C).
3F8h (IRQ 4), 3E8h (IRQ 4), or Off—
12
Package for the Minitower Models
The following two diagrams show the front and rear views of the HP Kayak
XU700 Minitower PC Workstation.
Front and Side Views
Power Supply Unit
Main Fan
1 System Overview
Package for the Minitower Models
Front access shelves:
- three 5¼-inch drive
shelves (can be used for
optical drives or two
additional hard disk
drives with a 3½ tray
kit– avail. as accessory)
Spare mounting rails (not shown):
- Wide green rails for 3.5-inch devices
(for example, zip drive)
- Narrow green rails for 5.25-inch devices
- Blue rails for 3.5-inch hard disk drives
Primary Hard Disk Drive Shelf
Secondary Hard Disk Drive Shelf
- two 3½-inch shelves
including a 1.44 MB
floppy disk drive
MaxiLife Status Panel
13
1 System Overview
Internal Features
Rear View
Keyboard connector
Serial port A
Serial port B
Line Out (headphone) connector
Line In connector
Microphone connector
HP Master Key Lock
Mouse connector
Dual USB connectors
Display connector
Parallel port
Internal Features
The core architecture of the HP Kayak XU700 PC Workstation is
constructed around: Memory Controller Hub (MCH), Input/Output
Controller Hub (ICH) and the Host bus.
The HP Kayak XU700 PC Workstation supports a Pentium IV processor.
This processor is described on page 57
The components of the system board are described in chapter 2
graphics, network and SCSI devices are described in chapter 3
devices are described in chapter 4;
chapter 5
; and the Power-On Self-Test routines are described in chapter 6.
.
; the
; mass storage
the HP BIOS routines are summarized in
14
1 System Overview
HP Kayak XU700 Minitower Front Panel
HP Kayak XU700 Minitower Front Panel
The front panel of HP Kayak XU700 Minitower PC Workstation has the
following features:
LCD Control Buttons
Power On/Off
Button
Reset Button
Hard Disk
Activity Light
• Liquid Crystal Display (LCD). LCD error messages and available menus
are described on page 97
.
• On/Off LED. There are five states:
Blank. Indicates that the computer is turned off.
. Indicates that the computer is turned on and running correctly.
Green
Red (fixed or flashing). Indicates a pre-boot or that there is a Power-
On Self-Test (POST) error, preventing the system from booting.
Amber. Displayed during system reset, system lock, Standby mode
(Windows 98) or Suspend mode (Windows 95).
• Hard disk drive activity LED. Activated during POST and when the
hard disk drive is being accessed.
15
1 System Overview
HP Kayak XU700 Minitower Specifications and Characteristics
HP Kayak XU700 Minitower Specifications and
Characteristics
Physical Characteristics
System Processing Unit
Weight
(Standard configuration as shipped,
excl. keyboard and display)
Dimensions:47.0 cm max. (D) by 21.0 cm (W) by 49.0 cm (H)
Footprint:0.09 m
14 kilograms (31.7 pounds).
(18.50 inches by 8.26 inches by 19.3 inches).
2
(1.06 sq ft).
Electrical Specifications
ParameterTotal Rating
Input voltage
(Switch select)
Input current (max)5 A2.5 A—————
Input frequency50 to 60 Hz—————
Available power320 W—100 W for PCI slots and AGP Pro slot
Max current at +12 V15 A15 A0.5 A1 A4.2 A5.2 A
Max current at -12 V0.8 A—0.1 A———
Max current at +3.3 V 28 A—7.6 A6 A7.6 A13.6 A
2
Vddq
Max current at +5 V30 A—5 A2 A
Max current at -5 V0.0 A—————
Max current at +5V stdby
combined with 3.3 V stdby
1.
A maximum of 50 W can be drawn from the AGP Pro slot. The standard part of the AGP Pro connector supplies 25 W (max.) plus
25 W from the connector extension (25 W + 25 W = 50 W). Refer to page 30
2.
Only for I/O buffers.
100-127 V
VAC
200 -250 V
Vac
———2 A
2 A—1.875 A total on 3.3 V stdby
Peak
(15 secs.)
—————
Maximum per
PCI Slots
32-bit 33 MHz
for information about the AGP PRO Universal slot.
Maximum for AGP Slot
Standard
Connector
ExtensionTotal
1
16
1 System Overview
HP Kayak XU700 Minitower Specifications and Characteristics
If the overload protection in the power supply unit is triggered, all power is
immediately cut. To reset the power supply unit, remove the power cord and
then determine what caused the overload and remedy it. Reconnect the
power cord, then reboot the PC Workstation. If an overload happens twice,
then there is an undetected short circuit somewhere.
NOTEWhen the PC Workstation is turned off with the power button on the front
panel, the power consumption falls below the low power consumption (refer
to the below table), but is not zero. The special on/off method used by this
PC Workstation extends the lifetime of the power supply. To reach zero
power consumption in “off” mode, either unplug the PC Workstation from the
power outlet or use a power block with a switch.
Power Consumption and Cooling
The power consumption and acoustics given in the below table is valid for a
standard configuration as shipped (one processor, 256 MB of memory,
320 W power supply, one hard disk drive, graphics card, LAN card).
All information in this section is based on primary power consumptions.
Power consumption (approximate values)
Typical operating
•
Suspend (only on Windows 2000 models)
•
1.
1 W = 3.4121 Btu/h
Additional Component:
Processor
•
SCSI Hard disk drive with input/output access
•
SCSI Hard disk without input/output access (idle)
•
PCI card
•
230 V / 50 Hz and 115 V / 60 Hz
70 W
<4 W
50 W
23 W
16 W
10 to 36 W
- 238.8 Btu/h
- 13.6 Btu/h
1
- 170.6 Btu/h
- 78.4 Btu/h
- 54.5 Btu/h
- 64.1 Btu/h to 122.8 Btu/h
17
1 System Overview
HP Kayak XU700 Minitower Specifications and Characteristics
Environmental Specifications
Environmental Specifications (System Processing Unit, with Hard Disk)
Operating Temperature+10 °C to +35 °C (+40 °F to +95 °F).
Storage Temperature-40 °C to +70°C (-40 °F to +158 °F).
Over Temperature Shutdown+50°C (+122°F)
Operating Humidity15% to 80% (relative).
Storage Humidity8% to 85% (relative)
1
1
.
Acoustic noise emission (as defined ISO 7779):
Operating
•
Operating with hard disk access
•
Operating with floppy disk access
•
Sound Power
LwA <= 40.5 dB
LwA <= 41.4 dB
LwA <= 43.2 dB
Sound Pressure
LpA <= 25.7 dB
LpA <= 26.5 dB
LpA <= 30.0 dB
Operating Altitude10000 ft (3100m) max
Storage Altitude15000ft (4600m) max
1.
non-condensing conditions.
Operating temperature and humidity ranges may vary depending upon the mass
storage devices installed. High humidity levels can cause improper operation of
disk drives. Low humidity levels can aggravate static electricity problems and
cause excessive wear of the disk surface.
18
1 System Overview
Power Saving and Ergonometry
Power Saving and Ergonometry
Depending on the operating system, the following power management types
are available:
• No sleeping state: Windows NT 4 (Full On and Off).
• APM: Windows 95 and Windows 98 SE APM (Full On, Suspend and Off).
• ACPI: Windows 98 SE ACPI and Windows 2000 (Full On, Standby,
Hibernate, Off).
Windows 2000Windows 98 SEWindows NT 4Windows 95
Full On
A
Suspend
P
M
Off
Standby (S1 or S3)Supported
A
C
P
I
Hibernate (S4)SupportedNot Supported
Off (S5)SupportedSupported
Not Supported by
Windows 2000
(implemented as S3,
Suspend to RAM)
(implemented as S1,
SupportedSupportedSupported
Supported
Not Supported by
Windows NT 4
SupportedSupportedSupported
Supported
suspend)
APM only Operating System
Supported
19
1 System Overview
Power Saving and Ergonometry
Power Saving and Ergonometry for APM Systems
Processor
Display
Hard disk drive
Power
consumption
Resume events
Resume delay
1.
Not supported by Windows NT 4.
Full OnSuspend
1
Off
Normal speedHaltedHalted
OnBlanked, <5 W (typ)Blanked, <5 W (typ)
Normal speedHaltedHalted
Supports up to 320 W<40 W (230V, 50 Hz)
<21 W (115V, 60 Hz)
Keyboard, network (RWU),
modem, USB
(plugged in but turned off)
<5 W (average)
Space bar or power
button, RPO
A few secondsBoot delay
20
Power Saving Modes and Resume Events
for ACPI Systems
1 System Overview
Power Saving and Ergonometry
Processor
Display
Hard Disk
Drive
Active Power
Planes
Power
Consumption
Resume Events
Resume Delay
Full On (S0)Suspend (S1)Suspend to RAM
(S3)
Normal speedHaltedOffOffOff
OnBlankedOffOffOff
Normal speedHaltedOffOffOff
VCC
VCCAux
Supports up to
320 W
VCC
VCCAux
<40 W <10 W <10 W <10 W
Power button,
LAN,
Modem,
USB,
Scheduler,
HP Start Key
The power-on from the space-bar function is enabled provided that:
• The computer is connected to a Power-On keyboard (recognizable by the
Power-On icon on the space bar).
• The function has not been disabled by setting SW-6 to
off on the system
board switches.
Soft Power Down
When the user requests the operating system to shut down, the environment
is cleared, and the computer is powered off. Soft Power Down is available
with Windows NT (when the Soft Power Down utility is used).
21
1 System Overview
Documentation
Documentation
The table below summarizes the availability of the documentation that is
appropriate to the HP Kayak XU700 PCWorkstation. Only selected
publications are available in paper-based form. Most are available as
printable files from the HP web site or the Information CD-ROM.
HP Desktop PCs Quick User’s Guide
HP Kayak XU700 User’s Guide
HP Kayak XU700 Troubleshooting Guide
HP Kayak XU700
Technical Reference Manual
HP Kayak XU700 Service Handbook Chapter
1.
XXXXX = includes language code.
Access HP World Wide
Web Site
Title
Online at HP
WWW Site
(see address
below)
PDF fileNoA7185-XXXXX
PDF fileYesNo
PDF fileYesNo
PDF fileNoNo
PDF fileNoWhen available, chapter will be
Available on
the
Information
CD-ROM
Paper-based
1
included in the fifth edition of the
Service Handbook
Additional online support documentation, BIOS upgrades and drivers are
available from HP’s World Wide Web site, at the following address:
World-Wide Web URL:http://www.hp.com/go/kayaksupport
After accessing the site, select HP Kayak XU700 PC Workstation.
22
1 System Overview
Documentation
Where to Find the Information
The table below summarizes information provided in the HP Kayak XU700
PC Workstation documentation set.
Product features
Product model
numbers
Environmental
Safety Warnings
Finding on-line
information
Technical
information
Formal documents
Connecting
devices and
turning on
BIOS
Fields and their
options within
Setup
Manageability
Quick User’s
Guide
Setting up the
PC. Working in
comfort.
HP Web sites.Preloaded,
Basic details.Basic details.Advanced.
Certificate of
Conformity.
Software
License
agreement.
Exploded view.
Parts list.
Product range.
CPL dates.
Technical
Reference
Manual
Key features.
sites, others.
Technical
details.
Memory
maps.
list.
23
1 System Overview
Documentation
Opening the PC
Supported
accessories
Installing
accessories
Configuring
devices
System board
Troubleshooting
Power-On SelfTest routines
(POST)
Kayak diagnostic
utility
Audio Accessories
Quick User’s
Guide
User’s Guide
Upgrading the PC
Full description.
Processor(s), memory,
accessory boards,
mass storage devices.
Installing devicesInstalling devices.
Installing and
removing, connectors
and switch settings.
Repairing the PC
Basic.Basic, MaxiLife,
hardware diagnoses.
Basic details.Error Messages,
e-DiagTools,
CD-ROM
HP e-DiagTools,
CD-ROM recovery.
recovery.
Peripheral Devices
Refer to Audio User’s
Guide for information
on setting up and
configuring audio
accessories.
Troubleshooting
Guide
1
Service
Handbook
Full PN details
Error messages,
problem solving.
Switch settings.Jumpers,
switches and
connectors.
MaxiLife, hardware
Service notes.Advanced.
diagnoses and
suggested
solutions.
EMU and
suggestions for
corrective action.
HP e-DiagTools,
CD-ROM recovery
Refer to online
version of Audio
User’s Guide for
information on
setting up and
configuring audio
accessories.
Technical
Reference
Manual
Jumpers,
switches and
connectors.
Chip-set
details.
Error codes
and
suggestions
for corrective
action.
Order of
tests.
Technical
details.
24
1 System Overview
Documentation
Quick User’s
Guide
User’s Guide
Refer to LAN
Administrator’s Guide
for information on
setting up and
LAN Accessories
1.
For address, “Access HP World Wide Web Site” on page 22.
configuring LAN cards
and systems.
Troubleshooting
Guide
1
Refer to online
version (preloaded
on hard disk) of
LAN
Administrator’s
Guide for
information on
setting up and
configuring LAN
cards and systems.
Service
Handbook
Technical
Reference
Manual
25
1 System Overview
Documentation
26
2
System Board
This chapter describes the components of the system board, taking in turn
the components of the Memory Controller Hub (MCH), the Input/Output
Controller Hub (ICH2), FirmWare Hub (FWH) and the System Bus.
The following diagram shows the HP Kayak XU700 PC Workstation system
board in detail.
2
4
.
9
4
.
6
c
m
i
n
c
h
e
s
m
c
5
.
0
s
3
e
h
c
n
i
2
1
27
2 System Board
System Board Overview
System Board Overview
The following diagram shows where the different chips and connectors are
located on the system board.
B2B2
B1
CD-ROM
audio in
PCI slots
Memory slots
Chassis intrusion
Main chassis fan
Pentium 4
processor
(socket 423)
i850 MCH
ATX12V power
AGP S lot
Battery socket
A2
A1
i850 ICH2
HP MaxiLife
Supply
Main Power
Processor fan
Primary IDE
Secondary IDE
System
board
switches
Auxiliary power
(MT models only)
Floppy
Thermal sensor
28
Wake O n LAN
PCI card fan
Status panel
Internal Speaker
Architectural View
2 System Board
Architectural View
Keyboard,
Mouse and
Floppy
Parallel and
Serial Ports
Address (36)
Control
Data (64)
Connector
2 IDE
Connectors
4 USB
Connectors
Super I/O
NS 87364
Socket 423
1.5V
AGP
PRO
(133 MHz (1 GB/sec
data transfer rate)
ATA/100 2 Channels
LPC / FWH Link
FirmWare Hub
(FWH)
82802AA
AGP4x Bus
USB
Intel Pentium 4
Processor
Controller Hub
I/O Controller Hub
I/O Controller Hub
(ICH) 82801AA
(ICH2) 82801BA
Controller
4 x USB
Controller
LPC
Bridge
Serial
EEPROM
850
Memory
(MCH)
82850
HUB LINK 8
(266 MB/s data
transfer rate)
PCI BridgeIDE
AC’97
Audio
Controller
SM Bus
Controller
SMBus
Dual Rambus Channel
3.2 GB/s at 400 MHzdata transfer rate)
MaxiLife
Monitoring
Chip
100 MHz two-way System Bus
(Data Bus runs at 4 x 100 MHz,
3.2 GB/s transfer rate)
4 onboard RIMM sockets
supporting RDRAM memory.
PCI Bus (32-bit, 33 MHz)
133 MB/s data transfer rate
Slot 1 - 32-bit/33 MHz
Slot 2- 32-bit/33 MHz
Slot 3 - 32-bit/33 MHz
Slot 4 - 32-bit/33 MHz
Slot 5 - 32-bit/33 MHz
Fans
LCD
Status
Panel
29
2 System Board
Accessory Board Slots
Accessory Board Slots
The following block diagram shows the position of the accessory board slots
on the system board.
One 1.5V AGP slot.
PCI Slot 1
Five 32-bit 33 MHz PCI slots
AGP Slot
Minitower models of the HP Kayak XU700 are equipped with a single AGP
(Accelerated Graphics Port) graphics slot.
The AGP Pro Universal slot provides the ultimate graphics performance for
high-end graphics cards, combining AGP 4X bandwidth (with data transfer
rates up to 1056 MB/sec) with the ability to accept high-end graphics cards
drawing up to 50 W of power.
To accommodate AGP Pro cards, the AGP PRO slot connector is wider than
the standard AGP 4X connector. Additional pins have been added at both
ends of the connector to meet the increased power requirements of AGP
Pro graphics cards.
PCI Slot 2
PCI Slot 3
PCI Slot 4
PCI Slot 5
An AGP Pro card may draw power either from the existing part of the AGP
Pro connector, the extended part, or a combination of the two. In all cases,
the maximum power that may be drawn by an AGP Pro card is limited to
50 W in the Minitower models. Power on the existing part of the connector
is delivered on 5.0 V and 3.3 V rails. Power on the extension is delivered on
the 12 V and 3.3 V rails.
30
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