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Компьютеры - ESDI - Описание разъёмов13 июня 2011
Оглавление:
1. ESDI
2. Особенности и развитие интерфейса ESDI
3. Описание разъёмов
4. Методы записи на пластину диска
Описание 34-контактного разъёма сигналов управления ESDI
| GROUND |
1 |
2 |
~HD SLCT 3 |
| GROUND |
3 |
4 |
~HD SLCT 2 |
| GROUND |
5 |
6 |
~WRITE GATE |
| GROUND |
7 |
8 |
~CNFG/STATUS |
| GROUND |
9 |
10 |
~XFER ACK |
| GROUND |
11 |
12 |
~ATTENTION |
| GROUND |
13 |
14 |
~HD SLCT 1 |
| Ключ |
15 |
16 |
~SECTOR |
| GROUND |
17 |
18 |
~HD SLCT 1 |
| GROUND |
19 |
20 |
~INDEX |
| GROUND |
21 |
22 |
~READY |
| GROUND |
23 |
24 |
~XFER REQ |
| GROUND |
25 |
26 |
~DRV SLCT 0 |
| GROUND |
27 |
28 |
~DRV SLCT 1 |
| GROUND |
29 |
30 |
Reserved |
| GROUND |
31 |
32 |
~READ GATE |
| GROUND |
33 |
34 |
~CMD DATA |
Описание 20-контактного разъёма передачи данных ESDI
| ~DRV SLCTD |
1 |
2 |
~SECTOR |
| ~CMD COMPL |
3 |
4 |
~ADDR MK EN |
| GROUND |
5 |
6 |
GROUND |
| +WRITE CLK |
7 |
8 |
-WRITE CLK |
| GROUND |
9 |
10 |
+RD/REF CLK |
| -RD/REF CLK |
11 |
12 |
GROUND |
| +NRZ WRITE |
13 |
14 |
-NRZ WRITE |
| GROUND |
15 |
16 |
GROUND |
| +NRZ READ |
17 |
18 |
-NRZ READ |
| GROUND |
19 |
20 |
~INDEX |
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