Figure 7. Ata Interface Connector Pin Assignments - Seagate Medalist Pro Series Product Manual

26 Medalist Pro 2520/2160 Product Manual, Rev. C
Drive
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
(removed)
20
21 DMARQ
22
23
24
25
26
27
28
DMACK –
29
30
31
IOCS16 –
32
33
PDIAG –
*34
35
36
CS1FX –
37
CS3FX –
38
*39
40
* Drive-to-drive signals
Drive 1
(slave)
NC
28
34
39

Figure 7. ATA interface connector pin assignments

Reset –
1 Host Reset
Ground 2 Ground
DD7 3 Host Data Bus Bit 7
DD8 4 Host Data Bus Bit 8
DD6 5 Host Data Bus Bit 6
DD9 6 Host Data Bus Bit 9
DD5 7 Host Data Bus Bit 5
DD10 8 Host Data Bus Bit 10
DD4 9 Host Data Bus Bit 4
DD11 10 Host Data Bus Bit 11
DD3 11 Host Data Bus Bit 3
DD12 12 Host Data Bus Bit 12
DD2 13 Host Data Bus Bit 2
DD13 14 Host Data Bus Bit 13
DD1 15 Host Data Bus Bit 1
DD14 16 Host Data Bus Bit 14
DD0 17 Host Data Bus Bit 0
DD15 18 Host Data Bus Bit 15
Ground 19 Ground
(No Pin)
20
21 DMA Request
Ground 22 Ground
DIOW –
23 Host I/O Write
Ground 24 Ground
DIOR –
25 Host I/O Read
Ground 26 Ground
IORDY 27 I/O Channel Ready
CSEL 28 Cable Select
29 DMA Acknowledge
Ground 30 Ground
INTRQ 31 Host Interrupt Request
32 Host 16 Bit I/O
DA1 33 Host Address Bus Bit 1
34 Passed Diagnostics
DA0 35 Host Address Bus Bit 0
DA2 36 Host Address Bus Bit 2
37 Host Chip Select 0
38 Host Chip Select 1
DASP –
39 Drive Active/
Ground 40 Ground
Drive 0
(master)
28 CSEL
PDIAG –
34
DASP–
39
Host
Drive 1 Present
Host
28
34
39