IBM 560E 用户手册
System Board I/O Address Map
Figure 1-3 shows the I/O address map.
Figure
1-3 (Part 1 of 2). System Board I/O Address Map
Address (Hex)
Device
0000–001F
DMA controller (0–3)
0020, 0021
Interrupt controller (Master)
0022–003F
Reserved
0040–0043
System timer 1
0048–004B
Reserved
0060
Keyboard, auxiliary device
0061
System control port B
0064
Keyboard, auxiliary device
0070, 0071
RT/CMOS and NMI mask
0072–0077
Reserved
0078–007C
Reserved
0081–0083, 0087
DMA page registers (0–3)
0089–008B, 008F
DMA page registers (4–7)
0092
System control port A
0094
Reserved
0096
Reserved
0098
System flash ROM control register
00A0, 00A1
Interrupt controller (slave)
00C0–00DF
DMA controller (4–7)
00F0–00FF
Reserved
0102–0107
Reserved
0170–0177
Reserved
01A0–01DF
Reserved
01F0–01F7
Hard disk drive registers
0201
Reserved
0220–022F
Audio subsystem - Sound Blaster 1
0240–024F
Audio subsystem - Sound Blaster 2
026E–026F
Reserved
0278–027A
Parallel port 3
027B–027F
Reserved
02E8–02EF
Serial port 4
02F8–02FF
Serial port 2
0300–0302
Reserved
0330–0331
Reserved
0338–038B
Reserved
0376–0377
Reserved
0378–037A
Parallel port 2
037B–037F
Reserved
0388–038B
Audio subsystem - FM synthesizer
0398–0399
Reserved
1-6
ThinkPad 560/560E System Overview