4
J8. Options jumper block
33
31
29
27
25
23
21
19
17
15
34
32
30
28
26
24
22
20
18
16
Note. All other pins are reserved.
Do not use them.
J8 pin 1
Figure 1. ST5660A Jumpers
ST5660A Installation Guide, Rev. B
Circuit
board
13
11
9
7
5
3
1
14
12
10
8
6
4
2
Spares
One drive only
Drive is master;
slave is present
Drive is slave
Cable select
(Reserved)
(Reserved)
Remote LED
connection
1,024 cylinder
option
J1 pin 1