Hardware Configuration
9
Connectors
Attach system components and case devices to the
mainboard via the mainboard connectors. See Figure
2Ð1 for the location of the connectors on the mainboard.
Note: Make sure that the power is turned off before making
any connection to the board.
PWR1 – AT Power Supply Connectors
COM1/2 – Serial Port #1/#2
PRN – Parallel Port
FDC – Floppy Disk Port
IDE1/IDE2 – Primary/Secondary IDE Ports
PS1 – PS/2 Mouse Head Connector
PS2 – PS/2 Mouse Pin Connector
KBD – Keyboard Connector
J3 – ATX Form Card Connector
J3 (1-4, 10-13) – 2 sets of Universal Serial
Bus (USB) Connectors
USB
USB
Pin
Description
Pin
Description
1
+5V
10
+5V
2
Data Ð
11
Data Ð
3
Data +
12
Data +
4
Ground
13
Ground