Seagate ST760211DE manual Interface description, Connector interface signals and connector pins

4.0Interface description

The drives use the industry-standard ATA (IDE) interface. It supports ATA programmed input/output (PIO) modes 0–4; multiword DMA modes 0–2, and Ultra DMA modes 0–4.

4.1Connector interface signals and connector pins

The following table summarizes the signals on the 40-way ZIF ATA interface connector.

Table 8: 40-way ZIF (IDE interface) connector signals

Pin number	Signal Name	Description
1	Reserved	-
2	Reserved	-
3	RESET-	Hard Reset
4	GROUND	Ground
5	DD07	Data bus bit 7
6	DD08	Data bus bit 8
7	DD06	Data bus bit 6
8	DD09	Data bus bit 9
9	DD05	Data bus bit 5
10	DD10	Data bus bit 10
11	DD04	Data bus bit 4
12	DD11	Data bus bit 11
13	DD03	Data bus bit 3
14	DD12	Data bus bit 12
15	DD02	Data bus bit 2
16	DD13	Data bus bit 13
17	DD01	Data bus bit 1
18	DD14	Data bus bit 14
19	DD00	Data bus bit 0
20	DD15	Data bus bit 15
21	GROUND	Ground
22	DMARQ	DMA request

Lyrion Series IDE Product Manual, Rev. B 23