Acrosser AR-B1673 - Manual (Page 33)

AR-B1673 User’s Guide
APPENDIX A. ADDRESS MAPPING
IO Address Map
I/O MAP ASSIGNMENT
000-00F DMA controller (Master)
020-021 Interrupt controller (Master)
022-03F Chipset controller registers I/O ports.
040-043 Timer control registers.
060-060 Keyboard interface controller
061-061 System speaker
064-064 Keyboard interface controller
070-071 RTC ports & CMOS I/O ports
081-091 DMA register
0A0-0A1 Interrupt controller (Slave)
0C0-0DF DMA controller (Slave)
0F0-0FF Math coprocessor
170-1F7 Hard Disk controller
2F8-2FF Serial port-2
378-37F Parallel port
3B0-3BB AGP Controller
3C0-3DF AGP Controller
3F7-3F7 Floppy disk controller
3F8-3FF Serial port-1
Memory Map:
MEMORY MAP ASSIGNMENT
0000000-009FFFF System memory used by DOS and application
00A0000-00BFFFF VIA CPU to AGP Controller
00C0000-00DFFFF Reserved for I/O device BIOS ROM or RAM buffer.
00E0000-00EFFFF
Reserved for PCI device ROM
00F0000-00FFFFF
System BIOS ROM
0100000-FFFFFFF
System extension memory
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