Chapter 1
15
I/O Address Map
Hex Range
Device Function
000-01F
DMA Controller-1, 8237
020-027
Interrupt Controller-1 8259
030-037
Interrupt Controller-1 8259
040-047
System Timer (8254-1)
050-057
System Timer (8254-1)
060-06F
Keyboard Controller 8742
070-07F
Real-Time Clock, NMI Mask
080-09F
DMA Page Register 74LS612
Speed Status Register
0A0-0BF
Interrupt Controller-2 8259
0C0-0DF
DMA Controller-2, 8237
0F0-
CLEAR Math Co-processor BUSY
0F1-
RESET Math Co-processor
0F8-0FF
Math Co-processor
0CF8
PCI Configuration Address Reg
0CFC
PCI Configuration Data Reg
1F0-1F7
Fixed Hard Disk
278-27F
Parallel Port 2
2F8-2FF
Serial Port 2
378-37F
Parallel Port 1
3B0-3BF
Monochrome Display
3C0-3CF
EGA, VGA, SVGA
3D0-3DF
CGA, VGA, SVGA
3F0-3F7
Floppy Disk Controller
3F7-3FF
Serial Port 1
IRQ Assignment Map
Interrupt Channel
Function
IRQ0
Timer output 0
IRQ1
Keyboard
IRQ2
Reserved
IRQ3
Serial Port 2
IRQ4
Serial Port 1
IRQ5
Reserved
IRQ6
Floppy Diskette
IRQ7
Printer Port
IRQ8
Real Time Clock
IRQ9
Reserved
IRQ10
Reserved
IRQ11
Reserved
IRQ12
PS/2 Mouse
IRQ13
Numeric Processor
IRQ14
Embedded Hard Disk
IRQ15
Reserved
Содержание G310 - Altos - 512 MB RAM
Страница 15: ...8 Altos G310 System Block Diagram R ...
Страница 29: ...22 Altos G310 ...
Страница 58: ...Chapter 3 50 Disassembly Flowchart ...
Страница 71: ...63 Altos G310 ...
Страница 91: ...81 Altos G310 Exploded Diagram ...
Страница 113: ...103 Appendix C ...