A.1
B.1
B.2
B.3
B.4
B.5
B.6
B.7
B.8
B.9
B.10
B.11
B.12
B.13
B.14
B.15
B.16
B.17
B.18
B.19
B.20
B.21
B.22
B.23
A.1.1
A.1.2
Programming the Watchdog Timer ............................................. 62
A.1.3
Example Program ....................................................................... 65
Parallel Port (LPT1)................................................................................. 70
Table B.1: Parallel Port (LPT1) .................................................. 70
Table B.2: USB Header (USB56)............................................... 70
Table B.3: VGA Connector (VGA1) ........................................... 71
RS-232 Interface ..................................................................................... 71
Table B.4: RS-232 Interface (COM1~COM4) ............................ 71
Table B.6: SPI_CN1:SPI Fresh Card Pin Connector ................. 72
Table B.9: System Fan Power Connector
SPEAKER) .............................................................................................. 75
Table B.13:ATX Power Connector (ATX2) ................................. 76
Table B.16:Serial ATA 0/1 (SATA1/SATA2) ............................... 77
AT/ATX Mode (PSON1) .......................................................................... 77
Table B.17:AT/ATX Mode (PSON1) ........................................... 77
System I/O Ports ..................................................................................... 81
xi