Kontron MSM800SEL User Manual
Page 56
MSM800SEV/SEL
/ Detailed System Description
www.kontron.com
54
I/O Address
Function
Size
R/W
Comment
0CDh
No specific usage
8bit
---
0CEh
Master DMA Counter - Channel 7
8bit
Yes
16bit values in two transfers.
0CFh
No specific usage
8bit
---
0D0h
Master DMA Command/Status – Channels [7:4]
8bit
Shw$
0D1h
No specific usage
8bit
---
0D2h
Master DMA Request - Channels [7:4]
8bit
WO
0D3h
No specific usage
8bit
---
0D4h
Master DMA Mask - Channels [7:4]
8bit
Yes
0D5h
No specific usage
8bit
---
0D6h
Master DMA Mode - Channels [7:4]
8bit
Shw@
0D7h
No specific usage
8bit
---
0D8h
Master DMA Clear Pointer - Channels [7:4]
8bit
WO
0D9h
No specific usage
8bit
---
0DAh
Master DMA Reset - Channels [7:4]
8bit
WO
0DBh
No specific usage
8bit
---
0DCh
Master DMA Reset Mask - Channels [7:4]
8bit
WO
0DDh
No specific usage
8bit
---
0DEh
Master DMA General Mask - Channels [7:4]
8bit
Shw@
0DFh
No specific usage
8bit
---
0E0h-2E7h
No specific usage
---
---
2E8h-2EFh
UART/IR - COM4
8bit
---
MSR bit enables/disables into I/O 2EFh
space. (UART1 MSR 51400014h[18:16],
UART2 MSR 51400014h[22:20]). Defaults to
LPC.
2F0h-2F7h
No specific usage
---
---
2F8h-2FFh
UART/IR - COM2
8bit
---
MSR bit enables/disables into I/O 2FFh
space. (UART1 MSR 51400014h[18:16],
UART2 MSR 51400014h[22:20]). Defaults to
LPC.
300h- 36Fh
No specific usage
---
---
370h
Floppy Status R A
8bit
RO
Second Floppy.
371h
Floppy Status R B
8bit
RO
Second Floppy.
372h
Floppy Digital Out
8bit
Shw@
Second Floppy.
373h
No specific usage
8bit
---
374h
Floppy Cntrl Status
8bit
RO
Second Floppy.
375h
Floppy Data
8bit
Yes
Second Floppy.
376h
No specific usage
8bit
---
377h
Floppy Conf Reg
8bit
Shw$
Second Floppy.
378h-3E7h
No specific usage
---
---
3E8h-3EFh
UART/IR - COM3
8bit
---
MSR bit enables/disables into I/O 3EFh
space. (UART1 MSR 51400014h[18:16],
UART2 MSR 51400014h[22:20]). Defaults to
LPC.
3F0h
Floppy Status R A
8bit
RO
First Floppy.
3F1h
Floppy Status R B
8bit
RO
First Floppy.
3F2h
Floppy Digital Out
8bit
Shw@
First Floppy.
3F3h
No specific usage
8bit
---
3F4h
Floppy Cntrl Status
8bit
RO
First Floppy.
3F5h
Floppy Data
8bit
Yes
First Floppy.
3F6h
No specific usage
8bit
---
3F7h
Floppy Conf Reg
8bit
Shw$
First Floppy.
3F8h-3FFh
UART/IR - COM1
8bit
---
MSR bit enables/disables into I/O 3FFh
space. (UART1 MSR 51400014h[18:16],
UART2 MSR 51400014h[22:20]). Defaults to
LPC.
480h
No specific usage
8bit
WO
Write LPC and DMA. Read only DMA.