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