Asus CUSL2 User Manual page 31

3. HARDWARE SETUP
3) Universal Serial BUS Ports 0 & 1 (Black two 4-pin USB)
Two USB ports are available for connecting USB devices. For additional USB
ports, you can use the USB headers (see USB Headers later in this section) and
mount it to the chassis.
USB 1
Universal Serial Bus (USB) 2
4) Parallel Port Connector (Burgundy 25-pin PRINTER)
You can enable the parallel port and choose the IRQ through Onboard Parallel
Port (see 4.4.2 I/O Device Configuration).
NOTE: Serial printers must be connected to the serial port.
Parallel (Printer) Port (25-pin female)
ASUS CUSL2 User's Manual 31