This adapter will enable you to connect a 50 pin CD-ROM data cable to 40 pin ATA bus. See ATA (Advanced Technology Attachment) Internal for more information about this bus.
40 PIN IDC FEMALE at the cable
50 pin connector at the notebook CD-ROM device
| ATA (40) Pin | CD-ROM (50) Pin | Name | Description |
|---|---|---|---|
| 1 | Audio Left | audio left | |
| 2 | Audio Right | audio right | |
| 3 | Audio ground | audio ground | |
| 2 | 4 | GND | Ground |
| 1 | 5 | /RESET | Reset |
| 4 | 6 | DD8 | Data 8 |
| 3 | 7 | DD7 | Data 7 |
| 6 | 8 | DD9 | Data 9 |
| 5 | 9 | DD6 | Data 6 |
| 8 | 10 | DD10 | Data 10 |
| 7 | 11 | DD5 | Data 5 |
| 10 | 12 | DD11 | Data 11 |
| 9 | 13 | DD4 | Data 4 |
| 12 | 14 | DD12 | Data 12 |
| 11 | 15 | DD3 | Data 3 |
| 14 | 16 | DD13 | Data 13 |
| 13 | 17 | DD2 | Data 2 |
| 16 | 18 | DD14 | Data 14 |
| 15 | 19 | DD1 | Data 1 |
| 18 | 20 | DD15 | Data 15 |
| 17 | 21 | DD0 | Data 0 |
| 21 | 22 | DMARQ | DMA Request |
| 19 | 23 | GND | Ground |
| 25 | 24 | /DIOR | Read Strobe |
| 23 | 25 | /DIOW | Write Strobe |
| 22 | 26 | GND | Ground |
| 27 | 27 | IORDY | I/O Ready |
| 29 | 28 | /DMACK | DMA Acknowledge |
| 31 | 29 | INTRQ | Interrupt Request |
| 32 | 30 | /IOCS16 | IO ChipSelect 16 |
| 33 | 31 | DA1 | Address 1 |
| 34 | 32 | PDIAG | Passed Diagnostics |
| 35 | 33 | DA0 | Address 0 |
| 36 | 34 | DA2 | Address 2 |
| 37 | 35 | /IDE_CS0 | (1F0-1F7) |
| 38 | 36 | /IDE_CS1 | (3F6-3F7) |
| 39 | 37 | /ACTIVE - /DASI - DASP | Led driver |
| +5V | 38 | +5V | + 5 volts power |
| +5V | 39 | +5V | + 5 volts power |
| +5V | 40 | +5V | + 5 volts power |
| +5V | 41 | +5V | + 5 volts power |
| +5V | 42 | +5V | + 5 volts power |
| 24 | 43 | GND | Ground |
| 26 | 44 | GND | Ground |
| 30 | 45 | GND | Ground |
| 40 | 46 | GND | Ground |
| 28 | 47 | Device Cfg | Spindle Sync or Cable Select |
| GROUND | 48 | GND | Ground |
| 49 | reserved | Vendor Unique | |
| 50 | reserved | Vendor Unique |