Seagate ST1.2 - Series 8 GB Removable Hard Drive Instrukcja Obsługi Pobierz pdf (Strona 31)

ST1.3 Series Product Manual, Rev. D

4.0 Interface description

These drives use the industry-standard ATA task file interface that supports 16-bit data transfers. It supports

ATA programmed input/output (PIO) modes 0–4; multiword DMA modes 0–2, and Ultra DMA modes 0–4. The

drive also supports the use of the IORDY signal to provide reliable high-speed data transfers.

For detailed information about the 35-way ZIF (IDE interface) connector, please contact your local Seagate

representative.

4.1 Connector interface signals and connector pins

The following table summarizes the signals on the 35-way ZIF (zero insertion force) IDE interface connector.

For a detailed description of these signals, please contact your local Seagate representative.

Table 8: 35-way ZIF (IDE interface) connector signals

Num

Signal

Name

In, Out

Type

1 GND Ground

2 D10 Data bus bit 10

3 D09 Data bus bit 09

4 D02 Data bus bit 02

5 D08 Data bus bit 08

6 D01 Data bus bit 01

7 Res Reserved. Do not connect

8 D00 Data bus bit 0

9 Res Reserved. Do not connect

10 A00 Address bus bit 0

11 DMACK- DMA Acknowledge

12 A01 Address bus bit 1

13 DMARQ DMA Request

14 A02 Address bus bit 2

15 IORDY

I/O Ready

DMA ready during Ultra DMA data-in bursts

DMA strobe during Ultra DMA data-out bursts

16 RESET- Hard Reset

17 Res Reserved. Do not connect

18 VCC 3.3V Voltage supply to drive

19 VCC 3.3V Voltage supply to drive

20 IRQ Interrupt request

21 IOWR-

I/O Write

Stop during DMA data bursts

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 45 46

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Seagate ST1.2 - Series 8 GB Removable Hard Drive Instrukcja Obsługi Strona 31