26 ASUS P2B-VM User’s Manual
III. INSTALLATION
5. External Connectors
IMPORTANT: Ribbon cables should always be connected with the red stripe on the
Pin 1 side of the connector. The four corners of the connectors are labeled on the
motherboard. Pin 1 is the side closest to the power connector on hard drives and
floppy drives. IDE ribbon cable must be less than 46cm(18in.), with the second drive
connector no more than 15cm (6in.) from the first connector.
1. PS/2 Mouse Connector (6-pin Female)
The system will direct IRQ12 to the PS/2 mouse if one is detected. If not de-
tected, expansion cards can use IRQ12. See “PS/2 Mouse Control” in BIOS
Features Setup of the BIOS SOFTWARE.
PS/2 Mouse (6-pin Female)
2. PS/2 Keyboard Connector (6-pin Female)
This connection is for a standard keyboard using a PS/2 plug (mini DIN). This
connector will not allow standard AT size (large DIN) keyboard plugs. You
may use a DIN to mini DIN adapter on standard AT keyboards.
PS/2 Keyboard (6-pin Female)
WARNING! Some pins are used for connectors or power sources. These are
clearly distinguished from jumpers in the Motherboard Layout. Placing jumper
caps over these connector pins will cause damage to your motherboard.
Connectors
III. INSTALLATION