User manual

99 AIMB-272 User Manual
Appendix B I/O Pin Assignments
B.22 ATX 12 V connector (ATX12V1)
B.23 DMA Channel Assignments
Table B.22: ATX 12 V connector (ATX12V1)
Pin Signal Pin Signal
1aGND2aGND
3 CPU_+12V 4 CPU_+12V
Table B.23: DMA Channel Assignments
Channel Function
0 Available
1 Available
2 Floppy disk (8-bit transfer)
3 Available
4 Cascade for DMA controller 1
5 Available
6 Available
7 Available