Asus P5S-VM User Manual page 26

III. HARDWARE SETUP
3. Parallel Port Connector (25-pin Female)
You can enable the parallel port and choose the IRQ through "Onboard Parallel
Port" in Chipset Features Setup of the BIOS SOFTWARE.
NOTE: Serial printers must be connected to the serial port.
4. Serial Port COM1 (9-pin Male) / 5. COM2 Connectors (10-1 pin Male)
The two serial ports can be used for pointing devices or other serial devices.
COM1 is ready for use while COM2 requires a serial port bracket connected
from the motherboard to an expansion slot opening. For setting these ports up,
see "Onboard Serial Port" in Chipset Features Setup of the BIOS SOFTWARE.
Serial Port (9-pin Male) COM 1
P5S-VM Serial COM 2 Connector
26
Parallel (Printer) Port (25-pin Female)
ASUS P5S-VM User's Manual
To Serial Connector
(COM2)
Pin 1