| Something Pin |
Name | Direction | Description |
|---|---|---|---|
| 1 | GND |  |
|
| 2 | DMA IN | |
|
| 3 | INT IN | |
|
| 4 | /NMI | -?- | |
| 5 | /IRQ | -?- | |
| 6 | /RES | -?- | |
| 7 | /INH | -?- | |
| 8 | -12V | -?- | |
| 9 | -5V | -?- | |
| 10 | NC |  |
|
| 11 | 7M | -?- | |
| 12 | Q3 | -?- | |
| 13 | CLK1 | -?- | Clock 1 |
| 14 | USER 1 | -?- | |
| 15 | CLK0 |  |
Clock 0 |
| 16 | /DEVSEL | |
low means port is active |
| 17 | D7 |  |
Data Lines |
| 18 | D6 | |
|
| 19 | D5 | |
|
| 20 | D4 | |
|
| 21 | D3 | |
|
| 22 | D2 | |
|
| 23 | D1 | |
|
| 24 | D0 | |
|
| 25 | +12V | |
|
| 26 | +5V | |
|
| 27 | DMA OUT | |
|
| 28 | INT OUT | |
|
| 29 | /DMA | -?- | |
| 30 | RDY | -?- | |
| 31 | /STROBE | -?- | |
| 32 | NC | |
|
| 33 | R/W | |
high:Reading Data+Add. low:Writing Data+Add. |
| 34 | A15 | |
Address Lines |
| 35 | A14 | |
|
| 36 | A13 | |
|
| 37 | A12 | |
|
| 38 | A11 | |
|
| 39 | A10 | |
|
| 40 | A9 | |
|
| 41 | A8 | |
|
| 42 | A7 | |
|
| 43 | A6 | |
|
| 44 | A5 | |
|
| 45 | A4 | |
|
| 46 | A3 | |
|
| 47 | A2 | |
|
| 48 | A1 | |
|
| 49 | A0 | |
|
| 50 | I/O SEL | -?- |
correct
incorrect