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Standard and Optional Boards
1
System board (includes thermal material)
Memory modules
2
2 GB, PC3-10600
*
1 GB, PC3-10600
Other boards
ATI HD4550 (RV710), 256-MB PCIeX16 graphics card
ATI HD4550, 512-MB PCIeX16 graphics card
ATI HD4650 (RV730), 1-GB PCIeX16 graphics card
ATI HD5450 (RV730), 512-MB PCIeX16 graphics card
GeForce GT205 512-MB PCIe graphics card (for use in China only)
GeForce GT315 512-MB PCIe graphics card (for use in China only)
1394 PCI adapter, full height
Intel Gigabit NIC, includes bracket
Modem, PCIe, 56K, Agere International 56K, includes bracket
Intel Celeron Processors with alcohol pad and thermal grease
E3300, 1-MB cache, 2.50 GHz
E3200, 1-MB cache, 2.40 GHz
Intel Core 2 Quad Processors with alcohol pad and thermal grease
Q9650, 3.00 GHz, 12-MB L2 cache
Q9550, 2.83 GHz, 12-MB L2 cache
Q9505, 2.83 GHz, 6-MB L2 cache (95W)
Q8400, 2.66 GHz, 4-MB L2 cache
Intel Core2 Duo Processors with alcohol pad and thermal grease
E8600, 6-MB cache, 3.33 GHz
E8500, 6-MB cache, 3.16 GHz
E8400, 6-MB cache, 3.00 GHz
E7600, 3-MB cache, 3.06 GHz
E6800, 2-MB cache, 3.33 GHz
E6700, 2-MB cache, 3.20 GHz
E5700, 2-MB cache, 3.00 GHz
* Not shown
POST Power LED and beep Codes
Color
Beeps/Activity
Green
On
Green
1 blink every 2 secs
Green
1 blink every 2 secs
Clear
Off
Clear
Off
Green
Green when flashing
Red
CPU fan weak (RPM < 1000) or not
turning. Display warning message and
long beep for 5 secs and shut down.
Red
5 flashes, once per second, followed by
2 second pause. 5 beeps.
Red
6 flashes, once per second, followed by
2 second pause. 6 beeps.
Red
8 flashes, once per second, followed by
2 second pause. 8 beeps.
HP Pro 4500, MT
636735-001
635803-001
635802-001
584217-001
638006-001
538052-001
617079-001
589145-001
589146-001
515182-001
490367-001
490689-001
585886-001
585885-001
497734-001
465758-001
591607-001
573955-001
497732-001
466170-001
509554-001
573954-001
631758-001
617840-001
631759-001
State/Message
(S0) Computer on
(S1) Normal Suspend Mode
(S3) Suspend to RAM
(S4) Suspend to Disk (if applicable)
(S5) Computer off
Boot block recovery with embedded
video
CPU thermal shutdown (weak CPU
fan speed or not running)
No memory installed/Pre-video
memory error
Graphics card error (Pre-video
graphics error)
System board failure or invalid
ROM basing on checksum
640039-001
System Board
System Board Connectors and Jumpers (position of some untitled
components may vary in location)
PCI2
PCI slot
PCI1
PCI slot
X1PCEXP1
PCIe x1 slot
X16PC1EXP
PCIe x16 slot
AUD
External in/out connectors
RJ45/USB
USB/network connector
USB
Stacked USB connectors
DVI/VGA
DVI/monitor connector
SER
Serial port
PS2
Keyboard/mouse connectors PAR
COMB
Serial port connector
CHFAN1
Fan connector
POWERCPU
4-pin CPU power connector
XU1
Processor
DIMM1-4
Memory slotS
PSWD
Password jumper
FLPY
Floppy drive connector
Clearing CMOS
To erase the CMOS:
1. Turn off the computer and any external devices, and disconnect power.
2. Remove the access panel.
3. Locate the light green CMOS jumper header on the motherboard. It is labeled CMOS.
4. Remove the jumper from pins 1-2 pins and put it on pins 2-3 to clear CMOS. Keep the cap on
pins 2-3 for 5 to 10 seconds.
5. Replace the jumper on pins 1-2.
6. Reinstall the battery.
7. Replace the access panel, external devices, and reconnect the power cord.
8. Turn on the computer.
9. Hold down the F1 key during boot and enter BIOS setup to re-enter data.
Clearing System Passwords
To clear passwords:
1. Turn off the computer and any external devices, and disconnect power.
2. Remove the access panel.
3. Locate the light green password jumper header on the motherboard. It is labeled PSWD.
4. Remove the jumper from pins.
5. Plug the computer in and turn on power.
6. When you see the HP logo screen, turn off the computer. This clears the current passwords.
7. Replace the jumper to its original position.
8. Replace the access panel, external devices, and reconnect the power cord.
9. Turn on the computer and allow the operating system to start.
BIOS Updates
HP periodically releases system BIOS updates, which are available from the HP web site. These
updates often contain fixes for known issues in the BIOS.
To find out whether a PC needs a BIOS update, compare the current BIOS version number
against the latest version available for download. To determine the current BIOS version, you
should perform the
following steps:
1. Click Start > Shut Down.
2. Select Restart, and then click OK.
3. When the first screen displays, press F10 to enter Setup. The BIOS revision number is listed
on the main menu.
4. Write down the current BIOS version.
5. Exit Setup by pressing Esc, selecting Yes, and pressing Enter.
PWR
24-pin main power connector
CMOS
Clear CMOS jumper
F_PANEL
Front I/O connector
F_USB1
Front I/O connector
SATA1
Hard drive connector
SATA2
Optical drive connector
JFP1
Power switch connector
SATA3
Drive connector
SATA4
Drive connector
Parallel connector
FRNT_USB2 Front I/O connector
FRNT_USB1 Front I/O connector
MEDIA
Media card reader connector
XBT1
RTC battery socket
SPDIF OUT
S/PDIF output connector
FRNT AUD
Front audio connector
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