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

== Pinout ==

[[Image:notdrawn.png]]

68 PIN ??? MALE at the controller.

[[Image:notdrawn.png]]

68 PIN ??? FEMALE at the peripherals.

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

<i>
x = Required.<br>
i = Ignored by host in ATA mode.<br>
o = Optional.<br>
nothing = Not connected.<br>
<sup>1)</sup> Device shall support only one /CS1 signal pin.<br>
<sup>2)</sup> Device shall support either /M/S or CSEL but not both.<br>
<sup>3)</sup> Device shall hold this signal negated if it does not support this function.</i>

== Contributions ==
* [[User:Joakim|Joakim Ögren]]

== Sources ==
* ATA-2 specifications

[[Category:Connector]]
[[Category:ATA]]