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Installation
3
−
10
Quantum
Atlas 10K II Ultra 160/m SCSI Hard Disk Drives
Table 3-2 Jumper Settings for SCSI ID, 28-Pin Secondary Option Connector
Jumper Location – Secondary Option Connector
SCSI ID
Pin Pair 7 / 8
Pin Pair 5 / 6
Pin Pair 3 / 4
Pin Pair 1 / 2
0
0
0
0
0
1
1
0
0
0
2
0
1
0
0
3
1
1
0
0
4
0
0
1
0
5
1
0
1
0
6
0
1
1
0
7
1
1
1
0
8
0
0
0
1
9
1
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
0 = Jumper Not Installed
1 = Jumper Installed
3.4.1.3 Write Protection (Disk Drives with 68-Pin SCSI Connector)
To configure Write Protection for the drive, install a jumper across pin pair 19 / 20
on the Secondary Option Connector (Figure 3-4). To disable Write Protection on the
drive, remove the jumper.
3.4.1.4 Spin Up (Disk Drives with 68-Pin SCSI Connector)
Atlas 10K II Ultra 160/m SCSI drives have three Spin Up modes:
•
Option 1:
Spin up immediately when power is applied
:
Verify that no jumper
is installed across pin pair 11 / 12 (GND / Spin Delay) of the
Secondary Option connector (Figure 3-4).
•
Option 2:
Spin up after a predetermined delay following power on
:
Install
jumpers across pin pair 11 / 12 (GND / Spin Delay) and across pin
pair 21 / 22 (GND / Stagger Spin) on the Secondary Option
connector (Figure 3-4). Set the delay parameters with the MODE
SELECT command, Quantum-Unique 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.
•
Option 3:
Spin up on START STOP UNIT command
:
Install a jumper across
pin pair 11 / 12 (GND / Spin Delay) and remove any jumper from
pin pair 21 / 22 (GND / Stagger Spin), if a jumper is installed there,
on the Secondary Option connector (Figure 3-4).
Summary of Contents for Quantum Atlas 10K II 9.2/18.4/36.7/73.4 GB
Page 15: ...Contents Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives xv...
Page 19: ...Contents Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives xix...
Page 25: ...About This Manual 1 4 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 55: ...Installation 3 28 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 69: ...SCSI Description 5 2 Quantum Atlas 10K II Ultra160 m SCSI Hard Disk Drives...
Page 79: ...SCSI Description 5 12 Quantum Atlas 10K II Ultra160 m SCSI Hard Disk Drives...
Page 81: ...SCSI Description 5 14 Quantum Atlas 10K II Ultra160 m SCSI Hard Disk Drives...
Page 83: ...SCSI Description 5 16 Quantum Atlas 10K II Ultra160 m SCSI Hard Disk Drives...
Page 87: ...SCSI Description 5 20 Quantum Atlas 10K II Ultra160 m SCSI Hard Disk Drives...
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Page 297: ...SCSI Description 5 230 Quantum Atlas 10K II Ultra160 m SCSI Hard Disk Drives...
Page 315: ...Feature Descriptions 6 14 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 321: ...Appendix A Quick Reference A 6 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 363: ...Appendix B SCSI Bus Signal Timing B 42 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 369: ...Index I 4 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 370: ......
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