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system clocking

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system board memory controller hub (82845) system clocking The MCH has the following clock input pins: • Differential BCLK0/BCLK1 for the host interface • 66 MHz clock input for the AGP and hub interface • SDRAM or DDR clocks. Clock synthesizer chip(s) are responsible for generating the system host clocks, AGP and hub interface clocks, PCI clocks and SDRAM clocks. The MCH does not require any relationship between the BCLK host clock and the 66 MHz clock generated for AGP and hub interfaces; they are totally asynchronous from each other. The AGP and hub interfaces run at a constant 66 MHz base frequency. The hub interface runs at 4x. AGP transfers may be 1x/2x/4x. 54 Chapter 2

Section	Page
technical reference	1
technical reference	1
technical reference	1
hp workstation x1000	1
Manufacturing Part Number: n.a.	1
Edition E1001	1
© Copyright 2001	1
© Copyright 2001	1
Hewlett-Packard Company	1
Legal Notices	2
Legal Notices	2
Hewlett-Packard Co.	3
Hewlett-Packard Co.	3
Technical Computer Division	3
3404 E. Harmony Rd. Fort Collins, CO 80525	3
preface	13
preface	13
important warnings	13
important warnings	13
avoid electrical shocks	13
avoid electrical shocks	13
WARNING To avoid electrical shock, do not open the power supply. There are no user-serviceable pa...	13
electrical	13
electrical	13
WARNING For your safety always connect the equipment to a grounded wall outlet. Always use a powe...	13
multimedia models	13
multimedia models	13
WARNING If your PC is a multimedia model, or if you have installed a sound card in your PC, alway...	13
removing and replacing the cover	14
removing and replacing the cover	14
WARNING For your safety, never remove the PC cover without first disconnecting the power cord fro...	14
safety information	14
safety information	14
WARNING There is a danger of explosion if the battery is incorrectly installed. For your safety, ...	14
static electricity	15
static electricity	15
CAUTION Static electricity can damage electronic components. Turn OFF all equipment. Don’t let yo...	15
workstation documentation roadmap	15
workstation documentation roadmap	15
<TABLE>	15
Table1	15
<TABLE HEADING>	15
<TABLE ROW>	15
If you want to...	15
Go to this source...	15
And refer to...	15
<TABLE BODY>	15
<TABLE ROW>	15
Find Information	15
Your computer	15
Start >Programs > HP Info > Finding Information	15
<TABLE ROW>	15
Set up your computer	15
Getting Started Guide	15
Chapter 1 “Setting Up and Using Your Workstation.”	15
<TABLE ROW>	15
Learn how to use your operating system	15
Your computer	15
Operating System Online Help	15
<TABLE ROW>	15
Learn how to upgrade your computer by installing accessories	15
This Technical Reference Manual	15
Chapter 6 “Removing and Replacing Hardware Parts”	15
<TABLE ROW>	15
Find out about the different support options available	15
www.hp.com/workst ations/support	15
The support options section	15
<TABLE ROW>	15
Find out how to troubleshoot your PC Workstation	15
This Technical Reference Manual	15
Chapter 7 “Troubleshooting Your Workstation”	15
technical information	16
technical information	16
<TABLE>	16
<TABLE BODY>	16
<TABLE ROW>	16
Characteristics	16
HP Workstation x1000	16
<TABLE ROW>	16
Weight (configuration with one CD-ROM drive, excluding keyboard and display)	16
14.3 kg (31.5 pounds)	16
<TABLE ROW>	16
Dimensions	16
Width: 20.6cm (8.1in.) Height: 47.5cm (18.7in.) Depth: 44.2cm (17.4in.)	16
<TABLE ROW>	16
Footprint	16
0.09 m2 (0.98 sq ft).	16
<TABLE ROW>	16
Acoustic noise emission (ISO7779)	16
Sound power level	16
<TABLE ROW>	16
Power Supply	16
100 - 127 VAC, 7.0 A rms	16
<TABLE ROW>	16
Storage Humidity	16
8% to 85% (relative)	16
<TABLE ROW>	16
Operating Temperature	16
+10 C to +35 C (+50 F to +95F).	16
1 system overview	17
1 system overview	17
• Introduces the system’s internal and external features	17
• Introduces the system’s internal and external features	17
• Lists the system’s specifications and characteristic data	17
• Provides a summary of the available documentation	17
workstation description	18
workstation description	18
<TABLE>	18
<TABLE HEADING>	18
<TABLE ROW>	18
Feature	18
Description	18
<TABLE BODY>	18
<TABLE ROW>	18
System Board	18
System Board	18
Dimensions: 9.5in. ¥ 9.5 in. in an Extended-ATX (E-ATX) package	18
<TABLE ROW>	18
Processor	18
Processor	18
Intel Pentium4 processor	18
<TABLE ROW>	18
Cache Memory (integrated in processor package)	18
Cache Memory (integrated in processor package)	18
• Level 1: 12KB code, 8KB data	18
• Level 1: 12KB code, 8KB data	18
• Level 1: 12KB code, 8KB data	18
• Level 2: 256KB	18
<TABLE ROW>	18
Internal Processor Clock Speed	18
Internal Processor Clock Speed	18
1.7GHz, 1.9GHz, and 2.0 GHz	18
<TABLE ROW>	18
Chipset	18
Chipset	18
Inteli845 chipset, including Memory Controller Hub (MCH) Host Bridge, Input/Output Controller Hu...	18
<TABLE ROW>	18
Basic I/O System (BIOS)	18
Basic I/O System (BIOS)	18
Based on American Megatrends core, including:	18
• 4 megabits of flash memory	18
• 4 megabits of flash memory	18
• Support for PCI 2.2 specification	18
• Support for DIMM memory modules	18
<TABLE ROW>	18
Firmware - BIOS	18
Firmware - BIOS	18
Flash EEPROM: Intel’s firmware hub concept	18
<TABLE ROW>	18
Operating System	18
Operating System	18
All models come preloaded with Windows 2000	18
<TABLE ROW>	18
Main Memory	18
Main Memory	18
Three DIMM sockets that support 128MB and 256MB SDRAM memory modules.	18
<TABLE ROW>	19
Mass Storage	19
Mass Storage	19
Six shelves, supporting:	19
• One front-access, third-height 3 1/2-inch drive (for the flexible disk drive) (1-inch height)	19
• One front-access, third-height 3 1/2-inch drive (for the flexible disk drive) (1-inch height)	19
• Three front-access, half-height, 5 1/4-inch drives (1-inch height).	19
• Two internal 3 1/2-inch hard disk drives (1-inch height)	19
<TABLE ROW>	19
SCSI Controller	19
SCSI Controller	19
Adaptec Ultra 160 SCSI PCI card.	19
<TABLE ROW>	19
IDE Controller	19
IDE Controller	19
All models include an integrated Ultra ATA-100 capable controller that supports as many as four I...	19
<TABLE ROW>	19
Graphics Controllers	19
Graphics Controllers	19
• nVIDIA Quadro2 MXR with TwinView or nVIDIA Quadro2 Pro	19
• nVIDIA Quadro2 MXR with TwinView or nVIDIA Quadro2 Pro	19
• nVIDIA Quadro2 MXR with TwinView or nVIDIA Quadro2 Pro	19
• Matrox Millennium G450-Dual monitor AGP graphics controller with 16MB DDR graphics memory (maxi...	19
<TABLE ROW>	19
Accessory Card Slots	19
Accessory Card Slots	19
One AGP Universal 4X 32-bit slot supporting 1.5V AGP cards (£25W).	19
<TABLE ROW>	19
<TABLE ROW>	19
LAN (internal)	19
LAN (internal)	19
All models come with an internal 10/100TX LAN connector.	19
<TABLE ROW>	19
CD-ROM Drive	19
CD-ROM Drive	19
Models include either an IDE 48X CD-ROM, CD-RW drive, or DVD drive.	19
<TABLE ROW>	19
Audio	19
Audio	19
Internal speaker attached to the workstation’s chassis and connected by cable to the system board.	19
<TABLE ROW>	20
System Board Connectors	20
System Board Connectors	20
• One flexible disk drive connector	20
• One flexible disk drive connector	20
• One flexible disk drive connector	20
• Two ATA-100 capable IDE connectors (they each support up to two IDE devices)	20
• One CD-IN audio connector	20
• Internal speaker connector	20
• Battery socket	20
• Status panel connector	20
• Main power supply connector and ATX 12V power connector	20
• Main chassis fan connector	20
• Processor fan connector	20
• Chassis intrusion connector	20
<TABLE ROW>	20
Rear Connectors (color coded)	20
Rear Connectors (color coded)	20
• Keyboard/Mouse	20
• Keyboard/Mouse	20
• Keyboard/Mouse	20
— HP multi-media keyboard with PS/2 connector	20
— HP multi-media keyboard with PS/2 connector	20
— HP enhanced scrolling mouse with PS/2 connector	20
• 25-pin parallel	20
— Mode: Centronics or bidirectional modes (ECP/EPP)	20
— Mode: Centronics or bidirectional modes (ECP/EPP)	20
— Parallel port: 1 (378h, IRQ 7), 2 (278h, IRQ 5), or Off	20
• 9-pin serial (two, buffered)	20
— Standard: Two UART 16550 buffered serial ports (both RS-232-C).	20
— Standard: Two UART 16550 buffered serial ports (both RS-232-C).	20
— Serial Ports A and B: 2F8h (IRQ 3), 2E8h (IRQ 3), 3F8h (IRQ 4), 3E8h (IRQ 4), or Off	20
• Dual USB connectors	20
• Audio	20
— LINE IN jack (3.5mm)	20
— LINE IN jack (3.5mm)	20
— LINE OUT jack (3.5mm)	20
— MIC IN jack (3.5mm)	20
• 10/100TX LAN	20
<TABLE ROW>	20
Front Connectors	20
Front Connectors	20
• Dual USB connectors	20
• Dual USB connectors	20
• Dual USB connectors	20
• Firewire connector (optionally enabled; see Chapter 5)	20
packaging	21
packaging	21
Figure 11	21
Figure11 Workstation	21
Figure11 Workstation	21
<GRAPHIC>	22
Figure12 Location of Rear Panel Connectors	22
<GRAPHIC>	23
internal features	23
• Memory Controller Hub (MCH)	23
• Memory Controller Hub (MCH)	23
• Input/Output Controller Hub (ICH)	23
• Host bus	23
<TABLE>	23
<TABLE HEADING>	23
<TABLE ROW>	23
For information about...	23
Refer to the chapter...	23
<TABLE BODY>	23
<TABLE ROW>	23
System board components	23
system board	23
<TABLE ROW>	23
HPBIOS routines	23
hp BIOS	23
<TABLE ROW>	23
Tests and error messages	23
tests and error messages	23
<TABLE ROW>	23
Graphics, network and SCSI devices, and mass storage devices	23
hardware components	23
<TABLE ROW>	23
Accessories Installation and Parts Replacement	23
removing and replacing hardware parts	23
<TABLE ROW>	23
Use or configuration problems	23
troubleshooting your workstation	23
<TABLE ROW>	23
Troubleshooting and Recovery	23
troubleshooting your workstation	23
<TABLE ROW>	23
Contacting support	23
troubleshooting your workstation	23
front panel	24
front panel	24
• The On/Off LED is green when the power is on, or the power button is pushed in. If the power is...	24
• The On/Off LED is green when the power is on, or the power button is pushed in. If the power is...	24
• The hard disk drive activity LED is orange during POST and hard disk drive access. When the sys...	24
• The hard disk drive activity LED is orange during POST and hard disk drive access. When the sys...	24
Figure13 Front Panel	24
Figure13 Front Panel	24
<GRAPHIC>	25
specifications and characteristics	25
physical characteristics	25
physical characteristics	25
<TABLE>	25
<TABLE BODY>	25
<TABLE ROW>	25
System Processing Unit	25
System Processing Unit	25
<TABLE ROW>	25
Weight: (Standard configuration as shipped, excluding keyboard and display)	25
14.3 kilograms (31.5 pounds)	25
<TABLE ROW>	25
Dimensions	25
44.2cm max. (D) ¥ 20.6cm (W) ¥ 47.5cm (H) (17.4 inches ¥ 8.1 inches ¥ 18.7 inches)	25
<TABLE ROW>	25
Footprint	25
0.09 square meters (0.98 square feet)	25
electrical specifications	26
electrical specifications	26
<TABLE>	26
<TABLE HEADING>	26
<TABLE ROW>	26
Parameter	26
Total Rating	26
Peak (15 secs.)	26
Maximum per PCI Slots 32-bit	26
Maximum for AGP Slot	26
<TABLE ROW>	26
Standard Connector	26
<TABLE BODY>	26
<TABLE ROW>	26
Input voltage	26
100-127 VAC	26
200-250 VAC	26
—	26
—	26
—	26
<TABLE ROW>	26
Input current (max)	26
7.0 A	26
3.5 A	26
—	26
—	26
—	26
<TABLE ROW>	26
Input frequency	26
50 to 60 Hz	26
—	26
—	26
—	26
<TABLE ROW>	26
Available power	26
250 W	26
—	26
85W total for PCI slots and AGP slot	26
<TABLE ROW>	26
Max current at +12V	26
13 A	26
—	26
0.5 A	26
1 A	26
<TABLE ROW>	26
Max current at -12V	26
–1.2 A	26
—	26
0.1 A	26
—	26
<TABLE ROW>	26
Max current at +3.3V	26
16 A	26
—	26
7.6 A	26
6 A	26
<TABLE ROW>	26
Max current at +5V	26
25 A	26
31 A	26
5 A	26
2 A	26
<TABLE ROW>	26
Max current at -5V	26
0.3 A	26
—	26
—	26
—	26
<TABLE ROW>	26
Max current at +5V stdby	26
2 A	26
—	26
—	26
1. Disconnect the power cord.	26
1. Disconnect the power cord.	26
2. Determine what caused the overload, and fix the problem.	26
3. Reconnect the power cord, and reboot the workstation.	26
power consumption and cooling	27
power consumption and cooling	27
<TABLE>	27
<TABLE BODY>	27
<TABLE ROW>	27
Additional Component	27
Additional Component	27
<TABLE ROW>	27
• Processor	27
• Processor	27
• Processor	27
• SCSI hard disk drive with I/O access	27
• SCSI hard disk without I/O access (idle)	27
• PCI card	27
50W 23W 16W 10W to 25W	27
- 170.6Btu/h - 78.4Btu/h - 54.5Btu/h - 64.1Btu/h to 122.8Btu/h	27
environmental specifications	28
environmental specifications	28
<TABLE>	28
<TABLE BODY>	28
<TABLE ROW>	28
Environmental Specifications (System Processing Unit with Hard Disk)	28
Environmental Specifications (System Processing Unit with Hard Disk)	28
<TABLE ROW>	28
Operating Temperature	28
+10 C to +35 C (+50 F to +95 F).	28
<TABLE ROW>	28
Storage Temperature	28
-40 C to +70C (-40 F to +158 F).	28
<TABLE ROW>	28
Over-Temperature Shutdown	28
+50C (+122F)	28
<TABLE ROW>	28
Operating Humidity	28
15% to 80% (relative).	28
<TABLE ROW>	28
Storage Humidity	28
8% to 85% (relative).1	28
<TABLE ROW>	28
Acoustic noise emission (ISO 7779):	28
• Idle	28
• Idle	28
• Operating with hard disk access	28
Sound Power	28
Sound Power	28
LwA <= 4.6 BA	28
LwA <= 4.6 BA	28
LwA <= 5.3 BA	28
<TABLE ROW>	28
Operating Altitude	28
10,000ft (3048m) max	28
<TABLE ROW>	28
Storage Altitude	28
15,000ft (4600m) max	28
power saving and ergonometry	29
power saving and ergonometry	29
• No sleeping state: Windows NT 4.0 (Full On and Off).	29
• No sleeping state: Windows NT 4.0 (Full On and Off).	29
• ACPI: Windows 2000 (Full On, Standby, Hibernate, Off).	29
<TABLE>	29
<TABLE BODY>	29
<TABLE ROW>	29
Windows 2000	29
Windows 2000	29
Windows NT 4.0	29
Windows NT 4.0	29
<TABLE ROW>	29
A P M	29
A	29
P	29
M	29
Full On	29
Full On	29
Not Supported by Windows 2000	29
Supported	29
<TABLE ROW>	29
Suspend	29
Suspend	29
Not Supported by Windows NT 4.0	29
<TABLE ROW>	29
Off	29
Off	29
Supported	29
<TABLE ROW>	29
A C P I	29
A	29
C	29
P	29
I	29
Standby (S1 or S3)	29
Standby (S1 or S3)	29
Supported (implemented as S3, Suspend to RAM)	29
APM only Operating System	29
<TABLE ROW>	29
Hibernate (S4)	29
Hibernate (S4)	29
Supported	29
<TABLE ROW>	29
Off (S5)	29
Off (S5)	29
Supported	29
power saving and ergonometry for APM systems	30
power saving and ergonometry for APM systems	30
<TABLE>	30
<TABLE HEADING>	30
<TABLE ROW>	30
Full On	30
Suspend	30
Off	30
<TABLE BODY>	30
<TABLE ROW>	30
Processor	30