User manual

69 GMB-910 User Manual
Appendix B Pin Assignments
B.12 SM Bus Connector (JFP2)
B.13 System I/O Ports
Table B.13: SM Bus Connector (JFP2)
Pin Signal
6SMB_DATA
8 SMB_CLK
6
8
Table B.14: System I/O Ports
Addr. range (Hex) Device
000-01F DMA controller
020-021 Interrupt controller 1, master
022-023 Chipset address
040-05F 8254 timer
060-06F 8042 (keyboard controller)
070-07F Real-time clock, non-maskable interrupt (NMI)
mask
080-09F DMA page register
0A0-0BF Interrupt controller 2
0C0-0DF DMA controller
0F0 Clear math co-processor
0F1 Reset math co-processor
0F8-0FF Math co-processor
1F0-1F8 Fixed disk
200-207 Game I/O
290-297 On-board hardware monitor
2F8-2FF Serial port 2
300-31F Prototype card
360-36F Reserved
380-38F SDLCm bisynchronous 2
3A0-3AF Bisynchronous 1
3C0-3CF Reserved
3D0-3DF Color/graphics monitor adapter
3F0-3F7 Diskette controller
3F8-3FF Serial port 1
4E0~55F General Purpose Decoder (Serial Port 3~6)