Seagate ST373207LW 사용자 설명서
40
Cheetah 15K.5 SCSI Product Manual, Rev. J
Figure 10. J5 jumper header (on LW models 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
+5V Ground
[4]
Host
Alternate
Usage Plug
Alternate
Usage Plug
Pins 1, 3, 5, and 7 are
optional connections to
switching circuits in host
equipment to establish
drive ID.
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.
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.
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.
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
+5V
Drive Activity LED
+5V
N.C.
N.C.
Ground