Maxtor ATLAS 10K III Product Manual page 38

Installation
SCSI ID Pin Assignments (SCA-2 Connector Versions of the Disk Drive)
S C S I I D
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Note: 0 indicates an open circuit from +2.4 V to Vcc +0.5 V, and 1
Maxtor Atlas 10K III drives have three Spin Up modes:
Option 1 Spin up occurs immediately when power is applied.
Option 2 Drive spin up occurs after a predetermined delay following power on.
Option 3 Drive spin up is controlled by the START STOP UNIT command.
3-12 Maxtor Atlas 10K III
L o c a t i o n o n S C A C o n n e c t o r
I D 3 - P i n 8 0 I D 2 - P i n 4 0
0 0
0 0
0 0
0 0
0 1
0 1
0 1
0 1
1 0
1 0
1 0
1 0
1 1
1 1
1 1
1 1
indicates ground from 0.5 V to +0.4 V.
Set the delay parameters with the MODE SELECT Command,
Maxtor (Vendor) Special Function Control Page (39h).The delay is
equal to a user-specified multiplier multiplied by the numerical SCSI
ID of the drive. This will give a staggered spin-up in multiple-drive
installations.
I D 1 - P i n 7 9 I D 0 - P i n 3 9
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1