Seagate ST610712DEG ユーザーズマニュアル
ST1.3 Series Product Manual, Rev. C
25
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.
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.
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.
For a detailed description of these signals, please contact your local Seagate representative.
Table 8:
35-way ZIF (IDE interface) connector signals
Pin
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
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
Stop during DMA data bursts