Seagate 1270SL Computer Drive User Manual


 
Circuit
board 
side up
9
10
7
8
5
6
3
4
1
2
One drive only
Drive is master;
slave is present
Drive is slave when
another drive is master
Cable select
Remote LED
connection
pin 11 (–), pin 12 (+)
Spares
12
11
Master/slave timing protocol.
Drive waits up to 30 
seconds for slave to 
respond.
Figure 2. Options jumper block settings
Medalist SL Family Installation Guide, November 1995 7