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| Pin | Signal | Pin | Signal |
|---|---|---|---|
| 1 | Ground | 2 | -HD SLCT 3 |
| 3 | Ground | 4 | -HD SLCT 2 |
| 5 | Ground | 6 | -Write Gate |
| 7 | Ground | 8 | -CNFG/Status |
| 9 | Ground | 10 | -Xfer ACK |
| 11 | Ground | 12 | -Attention |
| 13 | Ground | 14 | -HD SLCT 0 |
| 15 | KEY (no pin) | 16 | -Sector |
| 17 | Ground | 18 | -HD SLCT 1 |
| 19 | Ground | 20 | -Index |
| 21 | Ground | 22 | -Ready |
| 23 | Ground | 24 | -Xfer REQ |
| 25 | Ground | 26 | -DRV SLCT 0 |
| 27 | Ground | 28 | -DRV SLCT 1 |
| 29 | Ground | 30 | reserved |
| 31 | Ground | 32 | -Read Gate |
| 33 | Ground | 34 | -CMD Data |
ESDI HDD-Interface - 20-Pin Data Connector
| Pin | Signal | Pin | Signal |
|---|---|---|---|
| 1 | -DRV SLCTD | 2 | -Sector |
| 3 | -CMD COMPL | 4 | -Addr MK EN |
| 5 | Ground | 6 | Ground |
| 7 | +Write CLK | 8 | -Write CLK |
| 9 | Ground | 10 | +RD/REF CLK |
| 11 | -RD/REF CLK | 12 | Ground |
| 13 | +NRZ Write | 14 | -NRZ Write |
| 15 | Ground | 16 | Ground |
| 17 | +NRZ Read | 18 | -NRZ Read |
| 19 | Ground | 20 | -Index |
Please see the LEGAL - Trademark notice.
Feel free - send a 
for any BUG on this page found - Thank you.