Tables
Table 1-1: Jumpers ........................................................................................................... 9
Table 1-2: Connectors .................................................................................................... 10
Table 1-3: CMOS clear (J1) ............................................................................................ 14
Table 1-4: Watchdog timer output (J2) ........................................................................... 15
Table 1-5: DIMM module allocation table ......................................................................... 16
Table 1-6: DIMM memory capacity sample calculation .................................................. 16
Table 2-1: Serial port connections (COM1, COM2) ........................................................ 27
Table 2-2: PS/2 or ATX power supply LED status ......................................................... 30
Table A-1: Watchdog timer registers ........................................................................... 110
Table B-1: IDE hard drive connector (CN1, CN2) ......................................................... 118
Table B-2: Floppy drive connector (CN3) .................................................................... 119
Table B-3: Parallel port connector (CN4) ..................................................................... 120
Table B-4: SCSI connector (CN5) ................................................................................. 121
Table B-5: USB1/USB2 connector (CN6) ..................................................................... 122
Table B-6: VGA connector (CN7) ................................................................................ 122
Table B-7: Ethernet 10/100Base-T RJ-45 connector (CN8, CN34) ............................. 123
Table B-8: COM1/COM2 RS-232 serial port (CN9, CN10) ............................................ 123
Table B-9: Keyboard and mouse connector (CN11) .................................................... 124
Table B-10: External keyboard connector (CN12) ....................................................... 124
Table B-11: IR connector (CN13) .................................................................................. 125
Table B-12: CPU fan power connector (CN14) ........................................................... 125
Table B-13: Power LED and keylock connector (CN16) ............................................. 126
Table B-14: External speaker (CN17) .......................................................................... 126
Table B-15: Reset connector (CN18) ........................................................................... 127
Table B-16: HDD LED connector (CN19) ...................................................................... 127
Table B-17: ATX feature connector (CN20) ................................................................ 127
Table B-18: ATX soft power switch (CN21) ............................................................... 128
Table B-19: H/W monitor alarm (CN22) ........................................................................ 128
Table B-20: ATX soft power switch (CN21) ............................................................... 128
Table B-21: Extension I/O board connector (CN27) .................................................... 129
Table B-22: Extension I/O board connector (CN28) .................................................... 129
Table B-23: PS/2 mouse connector (CN33) ................................................................. 130
Table B-24: System I/O ports ....................................................................................... 131
Table B-25: DMA channel assignments ....................................................................... 132
Table B-26: Interrupt assignments ............................................................................... 132
Table B-27: 1st MB memory map .................................................................................. 133
