Seagate ST39205LW/LC ユーザーズマニュアル

ページ / 96
Cheetah 36XL Product Manual, Rev. E
41
     
Figure 17.
J5 jumper header (on LW model only)
SCSI ID = 8
SCSI ID = 9
SCSI ID = 10
SCSI ID = 11
SCSI ID = 12
SCSI ID = 13
SCSI ID = 14
SCSI ID = 15
A 3 A2 A1
SCSI ID = 0
(default)
SCSI ID = 1
SCSI ID = 2
SCSI ID = 3
SCSI ID = 4
SCSI ID = 5
SCSI ID = 6
SCSI ID = 7
A 0
J1-DC Power
68 Pin
SCSI I/O Connector
J1
J5
Pin 1
[1] [2]
Drive HDA (rear view, PCB facing downward)
[2]
Pin 1
PCB
1P
2P
3P
4P
Ground
Host    [4]
Alternate
Usage Plug
Pins 1, 3, 5, and 7 are 
optional connections to 
switching circuits in host 
equipment to establish 
drive ID.
Remote Switches
For ID selection use
jumpers as shown or
connect a cable for
remote switching as
shown below.
Dashed area is optional host circuitry (external to the 
drive) connected to host supplied optional usage plug. 
[4]
Reserved
Pins 2, 4, 6, and 8 are 
normally not grounded. 
They are driven low (ground) 
for 250 ms after a Reset 
or PWR ON to allow drive to
read SCSI ID selected.
A0 A1 A2 A3
11 9
7
5
3
1
12 10 8 6
4
2
[6]          
Drive Activity LED                 
+5V
Ground
[5]
[5]