Installation
3-8 Max tor A tl a s 10 K III
SCSI ID Selection on Option Connector (68-Pin SCSI Connector Drives)
Configure the drive for remote (external) SCSI ID selection by re moving th e SCSI
ID jumpers (if pre sent ) from the re fere nced S CSI ID pins. Then conne ct the le ads
from the external selection switch to the referenced pins. Observe the following
guidelines while doing so:
•I D b i t 0, a t Pin 8, is th e L e as t Si gn i fi can t B i t.
•SC SI ID bits 0, 1, 2, and 3 (pins 8, 6, 4, a n d 2, res p e ctiv el y) are a ct i v e
LOW signals. That is, the bit is a 1 if the corresponding remote switch
is closed to ground.
•Use pins 1 , 3, 5 and 7 as the associated ground returns for ID bits 3, 2 ,
1, and 0, respectively.
To config ur e Wri t e Pr ot ect i on f or the drive, install a jumper a c ross pin pai r 19/20
on the J3 Option Header. To disable Write Protection on the drive, remove the
jumper.
00 0 0 0
11 0 0 0
20 1 0 0
31 1 0 0
40 0 1 0
51 0 1 0
60 1 1 0
71 1 1 0
80 0 0 1
91 0 0 1
10 0 1 0 1
11 1 1 0 1
12 0 0 1 1
13 1 0 1 1
14 0 1 1 1
15 1 1 1 1