Bitfields for PicoPower Vesuvius V3-LS I/O address positive decode |
| Bit | Description |
|---|---|
|
31 - 24 |
reserved |
|
23 |
(revision BB and later) I/O read 377h decode enable |
|
22 |
(revision BB and later) I/O read 3F7h decode enable |
|
21 |
PC NET (360h-36Fh) decode enable |
|
20 |
audio 5 (388h-38Bh) decode enable |
|
19 |
audio 4 (250h-25Fh) decode enable |
|
18 |
audio 3 (240h-24Fh) decode enable |
|
17 |
audio 2 (230h-23Fh) decode enable |
|
16 |
audio 1 (220h-22Fh) decode enable |
|
15 |
audio 0 (201h) decode enable |
|
14 |
(revision BB and later) ISA secondary floppy (370h-375h, 377h write) decode enable |
|
13 |
(revision BB and later) ISA primary floppy (3F0h-3F5h, 3F7h write) decode enable |
|
12 |
(revision BB and later) ISA secondary IDE (170h-177h, 376h) decode enable |
|
11 |
(revision BB and later) ISA primary IDE (1F0h-1F7h, 3F6h) decode enable |
|
10 |
ISA LPT3 (3BCh-3BFh, 7BCh-7BEh) decode enable |
|
9 |
ISA LPT2 (278h-27Fh, 678h-67Ah) decode enable |
|
8 |
ISA LPT1 (378h-37Fh, 778h-77Ah) decode enable |
|
7 |
ISA COM4 (2E8h-2EFh) decode enable |
|
6 |
ISA COM3 (3E8h-3EFh) decode enable |
|
5 |
ISA COM2 (2F8h-2FFh) decode enable |
|
4 |
ISA COM1 (3F8h-3FFh) decode enable |
|
3 |
ISA system I/O (00h-FFh) decode enable |
|
2 |
configuration (24h/26h) decode enable |
|
1 - 0 |
reserved |
|
See Also: |