Icop VDX-6328RD-NF, Руководство пользователя

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VDX-6328RD-NF User Manual
20
2.5 System Mapping
Memory Mapping
Address Description Usage
0000:0000 – 9000:FFFF System RAM *
A000:0000 – A000:FFFF EGA/VGA Video Memory *
B000:0000 – B000:7FFF MDA RAM, Hercules graphics display RAM *
B000:8000 – B000:FFFF CGA display RAM *
C000:0000 – C000:7FFF EGA/VGA BIOS RAM *
C000:8000 – C000:FFFF Boot ROM Enable *
D000:0000 – D700:FFFF Expansion ROM Space
D800:0000 – DB00:FFFF SPI Flash Emulation Floppy A Enable
DC00:0000 – DF00:FFFF Expansion ROM Space
E000:0000 – E000:FFFF USB Legacy SCSI ROM Space *
F000:0000 – F000:FFFF Motherboard BIOS *
I/O Mapping
I/O Address Owner Usage
0000h – 000Fh DMA 8237-1 *
0010h – 0017h COM9
0018h – 001Fh Empty
0020h – 0021h PIC 8259-1 *
0022h – 0023h 6117D Configuration Port *
0024h – 002Dh Empty
002Eh – 002Fh Forward to LPC Bus *
0030h – 003Fh Empty
0040h – 0043h Timer Counter 8254 *
0044h – 0047h Empty
0048h – 004Bh PWM Counter 8254 *
004Ch – 004Dh Empty
004Eh – 004Fh Forward to LPC Bus *
0050h – 005Fh Empty
0060h Keyboard Data Port *
0061h Port B + NMI Control Port *
0062h – 0063h 8051 Download 4K Address Counter *
0064h Keyboard Status Port *