Reference and Sources: This specification makes it possible to share ATA & PC Card with the same connectors. 68 PIN ??? MALE at the controller.
68 PIN ??? FEMALE at the peripherals. | Pin | Namel | Host | Dir | Dev | PC-Card equiv | | 1 | Ground | x | OUT | x | Ground | | 2 | DD3 | x | IN/OUT | x | D3 | | 3 | DD4 | x | IN/OUT | x | D4 | | 4 | DD5 | x | IN/OUT | x | D5 | | 5 | DD6 | x | IN/OUT | x | D6 | | 6 | DD7 | x | IN/OUT | x | D7 | | 7 | /CS0 | x | OUT | x | /CE1 | | 8 | | | OUT | i | A10 | | 9 | /SELATA | x | OUT | x | /OE | | 10 | | | | | | | 11 | /CS1 | x | OUT | x 1) | A9 | | 12 | | | OUT | i | A8 | | 13 | | | | | | | 14 | | | | | | | 15 | | | OUT | i | /WE | | 16 | INTRQ | x | IN | x | /READY:IREQ | | 17 | VCC | x | OUT | x | VCC | | 18 | | | | | | | 19 | | | | | | | 20 | | | | | | | 21 | | | | | | | 22 | | | OUT | i | A7 | | 23 | | | OUT | i | A6 | | 24 | | | OUT | i | A5 | | 25 | | | OUT | i | A4 | | 26 | | | OUT | i | A3 | | 27 | DA2 | x | OUT | x | A2 | | 28 | DA1 | x | OUT | x | A1 | | 29 | DA0 | x | OUT | x | A0 | | 30 | DD0 | x | IN/OUT | x | D0 | | 31 | DD1 | x | IN/OUT | x | D1 | | 32 | DD2 | x | IN/OUT | x | D2 | | 33 | /IOCS16 | x | IN | x | /WP:IOIS16 | | 34 | Ground | x | OUT | x | Ground | | 35 | Ground | x | OUT | x | Ground | | 36 | /CD1 | x | IN | x | /CD1 | | 37 | DD11 | x | IN/OUT | x | D11 | | 38 | DD12 | x | IN/OUT | x | D12 | | 39 | DD13 | x | IN/OUT | x | D13 | | 40 | DD14 | x | IN/OUT | x | D14 | | 41 | DD15 | x | IN/OUT | x | D15 | | 42 | /CS1 | x | OUT | x 1) | /CE2 | | 43 | | | IN | i | /VS1 | | 44 | /DIOR | x | OUT | x | /IORD | | 45 | /DIOW | x | OUT | x | /IOWR | | 46 | | | | | | | 47 | | | | | | | 48 | | | | | | | 49 | | | | | | | 50 | | | | | | | 51 | VCC | x | OUT | x | VCC | | 52 | | | | | | | 53 | | | | | | | 54 | | | | | | | 55 | M/S- | x | OUT | x 2) | | | 56 | CSEL | x | OUT | x 2) | | | 57 | | | IN | i | /VS2 | | 58 | /RESET | x | OUT | x | RESET | | 59 | IORDY | o | IN | x 3) | /WAIT | | 60 | DMARQ | o | IN | x 3) | /INPACK | | 61 | /DMACK | o | OUT | o | /REG | | 62 | /DASP | x | IN/OUT | x | /BVD2:SPKR | | 63 | /PDIAG | x | IN/OUT | x | /BVD1:STSCHG | | 64 | DD8 | x | IN/OUT | x | D8 | | 65 | DD9 | x | IN/OUT | x | D9 | | 66 | DD10 | x | IN/OUT | x | D10 | | 67 | /CD2 | x | IN | x | /CD2 | | 68 | Ground | x | OUT | x | Ground |
x = Required.
i = Ignored by host in ATA mode.
o = Optional.
nothing = Not connected.
1) Device shall support only one /CS1 signal pin.
2) Device shall support either /M/S or CSEL but not both.
3) Device shall hold this signal negated if it does not support this function.
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