103
Appendix B
B.24 USB port switch (S1, S2)
B.25 System I/O Ports
S1 S2
Table B.24: USB port switch (S1,S2))
Pin
Signal
Pin
Signal
1
USBP2N
5
USBD2N
2
USBP2P
6
USBD2P
3
USBP2P
7
USBP2PP
4
USBP2N
8
USBP2NN
Table B.25: 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
278-27F
Parallel printer port 2 (LPT3)
Summary of Contents for AIMB-744 Series
Page 14: ...AIMB 744 User s Manual xiv...
Page 15: ...1 CHAPTER 1 General Information...
Page 32: ...AIMB 744 User s Manual 18...
Page 33: ...19 Chapter2 CHAPTER 2 Connecting Peripherals...
Page 45: ...31 Chapter3 CHAPTER 3 Award BIOS Setup...
Page 56: ...AIMB 744 User s Manual 42 Figure 3 8 SuperIO Device...
Page 65: ...51 Chapter4 CHAPTER 4 Chipset Software Installation Utility...
Page 70: ...AIMB 744 User s Manual 56...
Page 71: ...57 Chapter5 CHAPTER 5 LAN Configuration...
Page 76: ...AIMB 744 User s Manual 62...
Page 77: ...63 Chapter6 CHAPTER 6 Onboard Security Setup...
Page 79: ...65 Chapter6 2 Click Next when you see the following message...
Page 81: ...67 Chapter6 5 Click Next to continue 6 Click Finish when you see the following message...
Page 83: ...69 Chapter6...
Page 84: ...AIMB 744 User s Manual 70...
Page 85: ...71 CHAPTER 7 SATA RAID Setup...
Page 93: ...79 AppendixA Appendix A Programming the Watchdog Timer...