Intel VIA 8237 User Manual

Pin 1

(3) ATX P9 Power Connector (6-pin block) : ATXP1

This is a new defined 6-pins connector that usually comes with ATX Power Supply. The
ATX Power Supply which fully support Pentium 4 processor must including this connector
for support extra 3.3V and 5V voltage to maintain system power consumption. Without this
connector might cause system unstable because the power supply can not provide sufficient
current for system.

Power Plugs from Power Supply

Power Connector on Motherboard

BLK

BLK
ORG

ORG
RED

GND

3.3V

(4) PS/2 Mouse & PS/2 Keyboard Connector:

PS2KBM

The connectors for PS/2 keyboard and PS/2 Mouse.

(5)  USB Port connector: USB
        The connectors are 4-pin connector that connect USB devices to the system board.
(6)  LAN Port connector: LAN (only for PT800DBP/PT800DBZ)

This connector is standard RJ45 connector for Network

(7) Parallel Port Connector (25-pin female): PARALLEL

Parallel Port connector is a 25-pin D-Subminiature Receptacle connector. The On-board
Parallel Port can be disabled through the BIOS SETUP. Please refer to Chapter 3
“INTEGRATED PERIPHERALS SETUP” section for more detail information.

(8) Audio Connector :

AUDIO_GAME

This Connector are 3 phone Jack for LINE-OUT, LINE-IN, MIC and a 15-pin
D-Subminiature Receptacle Connector for joystick/MIDI Device.
Line-out :

Audio output to speaker

Line-in :

Audio input to sound chip

MIC : Microphone

Connector

Game/MIDI :

For joystick or MIDI Device