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HP Pavilion Desktop PCs - Motherboard Specifications, Trigem Cognac

Motherboard specifications table
Part / Feature
Specification / Support
HP/Compaq name
Cognac
Motherboard supplier
Trigem
System BIOS supplier
PhoenixBIOS
Processor brand
Intel
Processor socket type
Socket 370
Processor family
Pentium III
Celeron
Processor Speed
Pentium III: up to 1 GH
Celeron: up to 800 MHz.
Processor front side bus frequency
100 MHz or 133 MHz FSB, depending on the specific processor
Chipset name
i810
Memory type
SDRAM
Memory speed
66 MHz SDRAM or 100 MHz SDRAM depending on system
Memory sockets
Two DIMM (168-pin)
Maximum memory
512 GB (2 x 256 MB)
HP recommends a maximum of 128 MB per DIMM (256 maximum).
IDE modes
PIO Mode 3, 4, ATAPI
Expansion slots
3 PCI
Ports
  • 1 PS/2 keyboard
  • 1 PS/2 mouse
  • 2 USB 1.0
  • 1 serial
  • 1 parallel
  • 1 game
Motherboard layout and photos
Figure : System board
1 - COM 2 connector
10 - IT8702
2 - CPU fan connector
11 - Speaker
3 - CPU socket 370
12 - IDE connectors
4 - 82810-DC100
13 - JP-6 clear CMOS
5 - DIMM sockets
14 - Front panel connector
6 - RTC battery
15 - 82802AP (ROM)
7 - PS fan connector
16 - 82801AA
8 - Power connector
17 - CD-ROM connector
9 - Floppy drive connector
18 - PCI slots
Figure : Photo
Jumper locations and functions
Clear RTC RAM (CLEAR)
CMOS Real Time Clock (RTC) RAM. To erase the RTC RAM:
  1. Unplug the computer.
  2. Short the solder points
  3. Turn ON the computer
  4. Turn OFF the computer
  5. Remove the short
  6. Turn ON the computer
  7. Press the F1 key during start up and enter BIOS setup to re-enter user preferences.
Figure : Real Time Clock Clear jumper
There are no other jumper blocks to set on this motherboard.
Front panel connectors
The front panel connector includes headers for the following connections: Power LED, Speaker, Reset switch, Power switch, Sleep switch.
    Figure : Front panel connectors
  1. Keyboard lock
  2. Message LED
  3. External SMI lead
  4. Speaker connector
  5. ATX power switch *
  6. Hard drive LED
  7. Reset switch
  8. Power LED

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