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HP SureStore 2000LP and 1000S SCSI Hard Disk Drive - C3324/C3724(D) and C3325/C3725(D) Jumper Settings

Figure 1: C3324/C3724(D) and C3325/C3725(D) jumper diagram

NOTE: The following configurations assume the PCA component side faces up. Refer to configuration illustration for the pinset locations.
Pinset
Function
Configuration
Upper Pin
Lower Pin
1(right)
Gnd
Write Protect
Open: Drive looks at Mode Page header and responds accordingly: default = Not write protected.
Shorted: Drive is forced into the Write Protect mode.
2
SCSI-1 / 2
Reserved Leave Open
Mode Select Page 23H determines whether the SCSI - 1/2 pin is active, and if the SCSI-1 mode is required, the jumper must be placed sideways. Refer to Detail A.
If the SCSI-1/2 pin is active:
Open = Drive looks at Mode Page 09H, byte 8, bit 4, and responds accordingly: default = SCSI-2.
Shorted = Drive is forced to respond as a SCSI-1 device.
3
Gnd
SDTR/UA
Mode Select Page 23H determines whether the SDTR/UA (Unit Attention) pin is active or not.
When active. Mode Select Page 23H determines whether the pin functions as SDTR or Unit Attention. Refer to Detail B.
If the SDTR function is active:
Open = inhibit drive initiation of SDRT message Shorted = enable drive initiation of SDTR message at Power-On and Reset.
If the Unit Attention function is active:
Open = enable Unit Attention
Shorted = inhibit Unit Attention
4
+5V (pull-up)
LED Driver
An LED requiring 10 ma may be connected across pinset 4.
5
Gnd
Auto Spin-Up
Open: Drive will spin up automatically as Power-On.
Shorted: Drive will spin up automatically at Power-On.
6
Key: No pins
7
Gnd
Sync Spindle
Note: Pinsets 7 has no effect if Sync Spindle Mode is disabled. Refer to Mode Page 04H.
Upper pin of pinset 7 is sync output in Master mode, or sync input in Slave mode.
8
Reserved
(n/a)
Reserved
(n/a)
9
Key: No pins.
SCSI Address Pins
10
Gnd
Unit Select 3
0 = Open, S = Shorted
SCSI Address 0: 12 = 0, 11 = 0, 10 = 0
SCSI Address 1: 12 = S, 11 = 0, 10 = 0
SCSI Address 2: 12 = 0, 11 = S, 10 = 0
SCSI Address 3: 12 = S, 11 = S, 10 = 0
SCSI Address 4: 12 = 0, 11 = 0, 10 = S
SCSI Address 5: 12 = S, 11 = 0, 10 = S
SCSI Address 6: 12 = 0, 11 = S, 10 = S
SCSI Address 7: 12 = S, 11 = S, 10 = S
11
Gnd
Unit Select 2
12
Gnd
Unit Select 1

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