User manual

AIMB-554 User Manual 6
1.4 Jumpers and Connectors
Connectors on the AIMB-554 motherboard link it to external devices
such as hard disk drives and a keyboard. In addition, the board has a num-
ber of jumpers used to configure your system for your application.
The tables below list the function of each of the board jumpers and con-
nectors. Later sections in this chapter give instructions on setting jump-
ers. Chapter 2 gives instructions for connecting external devices to your
motherboard.
Table 1.1: Jumpers
Label Function
J1 CMOS Clear
J2 Watchdog timer output selection
J12 AT, ATX mode selector
J13 COM2 RS232/422/485 selector
J16 LCD Power 3.3V/5V selector
Table 1.2: Connectors
Label Function
CN1 Primary IDE connector
CN3 Floppy drive connector
CN4 Parallel port, Parallel port x 1, supports SPP/EPP/ECP
mode
CN6 USB 4,5 (to Front Panel)
CN7 VGA connector
CN9 Serial port: COM1; RS-232 (D-sub 9-pin connector)
CN10 Serial port: COM2; RS-232 (9-pin connector)
CN11 PS/2 keyboard / mouse connectors
CN12 External PS/2 keyboard / mouse connectors
CN13 Infrared connector
CN14 CPU FAN connector
CN15 System FAN connector
CN16 Power LED / keyboard lock connector
CN17 External speaker connector