Справочник Пользователя для Samsung 3.5" hard disk drives
DISK DRIVE OPERATION
SpinPoint V40 Product Manual
45
Table 6-2 lists the signal name mnemonic, connector pin number, whether input to (I) or output from (O) the
drive, and the full signal name.
Table 6-2 Interface Signals Description
Signal
Pin
DIR
Description
CS1FX-
37
I
Drive chip Select 0
CS3FX-
38
I
Drive chip Select 1
DA0
35
I
Drive Address Bus - Bit 0
DA1
33
I
- Bit 1
DA2
36
I
- Bit 2
DASP-
39
I/O
Drive Active/Slave Present
DD0
17
I/O Drive Data Bus - Bit 0
DD1
15
I/O
- Bit 1
DD2
13
I/O
- Bit 2
DD3
11
I/O
- Bit 3
DD4
9
I/O
- Bit 4
DD5
7
I/O
- Bit 5
DD6
5
I/O
- Bit 6
DD7
3
I/O
- Bit 7
DD8
4
I/O
- Bit 8
DD9
6
I/O
- Bit 9
DD10
8
I/O
- Bit 10
DD11
10
I/O
- Bit 11
DD12
12
I/O
- Bit 12
DD13
14
I/O
- Bit 13
DD14
16
I/O
- Bit 14
DD15
18
I/O
- Bit 15
DIOR-
25
I
Drive I/O Read
DIOW-
23
I
Drive I/O Write
DMACK-
29
I
DMA Acknowledge
DMARQ
21
O
DMA Request
INTRQ
31
O
Drive Interrupt
IOCS16-
32
O
Drive 16-bit I/O
IORDY
27
O
I/O Channel Ready
PDIAG-
34
I/O
Passed Diagnostics
RESET-
1
I
Drive Reset
Key pin
20
Pin used for keying the interface
connector
connector
NOTE: A minus sign follows the name of any signal that is asserted as active low.
Direction (DIR) is in reference to the drive:
IN indicates input to the drive.
OUT indicates output from the drive.
I/O indicates that the signal is bi-directional.
IN indicates input to the drive.
OUT indicates output from the drive.
I/O indicates that the signal is bi-directional.