SUPER MICRO Computer Appendix C Memory and I/O Maps, IRV-3702 SBC I/O Map, Address Function

APPENDIX C - MEMORY AND I/O MAPS

The following is the memory map for the IRV-3702 SBC. The addresses are fully PC/AT compatible, unless otherwise specified.

IRV-3702 SBC Memory Map

Address		Used For	Size
00000H	- 003FFH	Interrupt Vectors	1.0K
00400H	- 005FFH	BIOS Values	0.5K
00600H	- 9FFFFH	User RAM (DOS)	638.5K
A0000H - AFFFFH		Reserved for VGA	64.0K
B0000H - B7FFFH		Video RAM (MDA)*	32.0K
B8000H - BFFFFH		Video RAM (CGA)*	32.0K
C0000H - C3FFFH		Reserved	16.0K
C4000H - C7FFFH		EMS Window	16.0K
C8000H - DFFFFH		ROM Scan Devices*	96.0K
E0000H - FFFFFH		System BIOS	128.0K
100000H	- 3FFFFFFFH	User Memory	1GB

*External to the IRV-3702

The following is the I/O map for the IRV-3702 SBC. I/O addresses are fully PC/AT compatible, unless otherwise specified.

	IRV-3702 SBC I/O Map
Address		Function
000H - 01FH		DMA Controller #1
020H - 021H		Interrupt Controller #1
022H - 023H		Configuration Address Register
040H - 05FH		System Timers & WatchDog Timer
060H - 063H		Keyboard, Status, & System Control
070H - 07FH		Clock/Calendar & CMOS Ram Access
080H - 083H		DMA Page Register
0A0H - 0BFH		Interrupt Controller #2
0C0H - 0DFH		DMA Controller #2
0F0H		Clear Math Co-processor Busy
0F1H		Reset Math Co-processor
1F0H - 1F8H		IDE Hard Disk
278H - 27FH		Parallel Printer Port LPT2
2E8H - 2EFH		Serial Port COM4
2F8H - 2FFH		Serial Port COM2
378H - 37FH		Parallel Printer Port LPT1
3BCH - 3BFH		Parallel Printer Port LPT3
3E8H - 3EFH		Serial Port COM3
3F0H - 3F7H		Floppy Disk Controller
3F8H - 3FFH		Serial Port COM1
043H		Disable WatchDog Timer
443H		Enable WatchDog Timer

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