Acrosser AR-B1520 - Manual (Page 24)

AR-B1520 User’s Guide
24
APPENDIX A. ADDRESS MAPPING
IO Address Map
I/O MAP ASSIGNMENT
0000 – 000F Direct memory access controller
0020 – 0021 Programmable interrupt controller
0040 – 0043 System timer
0060 – 0060 Standard 101/102-key or Microsoft Natural Keyboard
0061 – 0061 System speaker
0070 – 0071 System COMS/real time clock
01F0 – 01F7 SiS 5513 Dual PCI IDE Controller
01F0 – 01F7 Primary IDE controller dual fifo
02F8 – 02FF Communication Port COM2
0378 – 037F Print Port LPT1
03F0 – 03F1 Motherboard resources
03F2 – 03F5 Standard Floppy Disk Controller
03F6 – 03F6 SiS 5513 Dual PCI IDE Controller
03F8 – 03FF Communication Port COM1
Memory Map:
MEMORY MAP ASSIGNMENT
0000000-009FFFF System memory used by DOS and application
00A0000-00BFFFF
Display buffer memory for VGA/ EGA / CGA /
MONOCHROME adapter
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