# PC Card ATA

This specification makes it possible to share ATA & PC Card with the same connectors.

(at the controller)
(at the peripherals)

68 PIN ??? MALE at the controller.
68 PIN ??? FEMALE at the peripherals.

Pin | Namel | Host | Dir | Dev | PC-Card equiv
--- | --- | --- | --- | --- | ---
1 | Ground | x |  | x | Ground
2 | DD3 | x |  | x | D3
3 | DD4 | x |  | x | D4
4 | DD5 | x |  | x | D5
5 | DD6 | x |  | x | D6
6 | DD7 | x |  | x | D7
7 | /CS0 | x |  | x | /CE1
8 |  |  |  | i | A10
9 | /SELATA | x |  | x | /OE
10 |  |  |  |  |
11 | /CS1 | x |  | x 1) | A9
12 |  |  |  | i | A8
13 |  |  |  |  |
14 |  |  |  |  |
15 |  |  |  | i | /WE
16 | INTRQ | x |  | x | /READY:IREQ
17 | VCC | x |  | x | VCC
18 |  |  |  |  |
19 |  |  |  |  |
20 |  |  |  |  |
21 |  |  |  |  |
22 |  |  |  | i | A7
23 |  |  |  | i | A6
24 |  |  |  | i | A5
25 |  |  |  | i | A4
26 |  |  |  | i | A3
27 | DA2 | x |  | x | A2
28 | DA1 | x |  | x | A1
29 | DA0 | x |  | x | A0
30 | DD0 | x |  | x | D0
31 | DD1 | x |  | x | D1
32 | DD2 | x |  | x | D2
33 | /IOCS16 | x |  | x | /WP:IOIS16
34 | Ground | x |  | x | Ground
35 | Ground | x |  | x | Ground
36 | /CD1 | x |  | x | /CD1
37 | DD11 | x |  | x | D11
38 | DD12 | x |  | x | D12
39 | DD13 | x |  | x | D13
40 | DD14 | x |  | x | D14
41 | DD15 | x |  | x | D15
42 | /CS1 | x |  | x 1) | /CE2
43 |  |  |  | i | /VS1
44 | /DIOR | x |  | x | /IORD
45 | /DIOW | x |  | x | /IOWR
46 |  |  |  |  |
47 |  |  |  |  |
48 |  |  |  |  |
49 |  |  |  |  |
50 |  |  |  |  |
51 | VCC | x |  | x | VCC
52 |  |  |  |  |
53 |  |  |  |  |
54 |  |  |  |  |
55 | M/S- | x |  | x 2) |
56 | CSEL | x |  | x 2) |
57 |  |  |  | i | /VS2
58 | /RESET | x |  | x | RESET
59 | IORDY | o |  | x 3) | /WAIT
60 | DMARQ | o |  | x 3) | /INPACK
61 | /DMACK | o |  | o | /REG
62 | /DASP | x |  | x | /BVD2:SPKR
63 | /PDIAG | x |  | x | /BVD1:STSCHG
64 | DD8 | x |  | x | D8
65 | DD9 | x |  | x | D9
66 | DD10 | x |  | x | D10
67 | /CD2 | x |  | x | /CD2
68 | Ground | x |  | 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.

Contributor: Joakim Ögren

Source:
ATA-2 specifications

Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-07