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Jumpers & Connectors Guide
Use the mainboard layout on page 10
to locate CPU socket, memory banks,
expansion slots, jumpers and connectors
on the mainboard during the installation.
The following list will help you identify
jumpers, slots, and connectors along with
their assigned functions:
CPU/Memory/Expansion Slots
Slot 1
: CPU Slot for Pentium II/III, Celeron processors
J5, J3, J4
: Three DIMM Sockets for 8,16,32,64,128,256MB 3.3V SDRAM
AGP
: One AGP (Accelerated Graphics Port) Slot
PCI
: Five 32-bit PCI Expansion Slots
ISA
: Two 16-bit ISA Expansion Slots
Jumpers
JP38
: Keyboard & PS/2 Mouse Power-On
(requires to always set JP38 jumper in order to enable either
or both KB & PS/2 mouse power-on functions. In addition,
you need to set Power On Function in BIOS setup.)
JP39
: CPU Host frequency setting
JP37
: CPU Clock Ratio setting
JP48
: Voltage setting
J55 & JP45 : Over-Clocking the CPU
JP19
: Clear CMOS
JP51
: Factor Reserved
Back Panel Connectors
KB
: PS/2 Keyboard
MS
: PS/2 Mouse
USB
: 2 × USB (Universal Serial Bus)
COM1
: Serial Port 1 (DB9 male)
COM2
: Serial Port 2 (DB9 male)
PRINTER : Parallel Port (DB25 female)
1
2
3
4
5
6
7
8
9
10
10
8
11
