Acrosser AR-B1690 - Manual (Page 35)

AR-B1690 User’s Guide
35
APPENDIX A. I/O & MEMORY MAP
Memory Map:
MEMORY MAP ASSIGNMENT
0000000-009FFFF
System memory used by
DOS and application
00A0000-00BFFF
F
Display buffer memory for
VGA/ EGA / CGA /
MONOCHROME adapter
00C0000-00DFFF
F Reserved for I/O device
BIOS ROM or RAM buffer.
00E0000-00EFFF
F
Reserved for PCI device
ROM
00F0000-00FFFFF
System BIOS ROM
0100000-FFFFFF
F
System extension memory
I/O Map:
I/O MAP ASSIGNMENT
000-01F DMA controller (Master)
020-021 Interrupt controller (Master)
022-023 Chipset controller registers I/O ports.
040-05F Timer control registers.
060-06F Keyboard interface controller
070-07F RTC ports & CMOS I/O ports
080-09F DMA register
0A0-0BF Interrupt controller (Slave)
0C0-0DF DMA controller (Slave)
0F0-0FF Math coprocessor
1F0-1F8 Hard Disk controller
250-258 Super I/O
2B0-2DF Graphics adapter controller
2E8-2EF Serial port-4
2F8-2FF Serial port-2
360-36F Net work ports
378-37F Parallel port-1
3B0-3BF Monochrome & Printer adapter
3C0-3CF EGA adapter
3D0-3DF CGA adapter
3E8-3EF Serial port-3
3F0-3F7 Floppy disk controller
3F8-3FF Serial port-1