IBM storage products
Quick installation guide
Ultrastar 36LZX
Ultra 160 SCSI
Models: DDYS-336950
DDYS-318350
DDYS-309170
Handling precautions
ŸDo not open the electrostatic discharge (ESD) bag containing the drive until required.
ŸDo not apply pressure on the drive during handling or installation.
ŸTo prevent damage from impact or vibration always set the drive down gently.
ŸHandle the drive carefully by the edges. Do not touch the exposed printed circuit board or any electronic components.
ŸDo not cover the breather hole! Covering the breather hole may result in loss of data.
ŸSave the packaging materials including the ESD bag in the event that the drive must be returned.
Installing the drive
1.Backup all data.
2.Record the serial number and part number of your hard drive for future reference.
3.Turn off the computer and remove the computer system cover.
4.Before handling the hard disk drive, discharge any static electricity from yourself and your clothing. With one hand touch an unpainted metal surface on your computer chassis, then touch the ESD bag with the other hand for a minimum of two seconds.
5.Remove the hard drive from the ESD bag.
6.Unplug the computer.
7.Assign a SCSI address to the drive by installing a jumper on one or more ID bits—D,E,F,G—as shown on jumper block J-4 in the following illustrations.
8.Select the desired options by installing the appropriate jumpers. Refer to items A–N in the following table.
Address jumper and drive option blocks
[0] |
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[4] |
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[8] |
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[1] |
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[9] |
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[13] |
[2] |
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[10] |
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[14] |
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[3] |
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[7] |
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[11] |
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[15] |
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+5Vdc |
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+5Vdc |
1 |
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J4 |
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R1 |
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1 |
3 |
5 |
7 |
9 |
11 |
13 |
1 |
3 |
5 |
7 |
9 |
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2 |
4 |
6 |
8 |
10 |
12 |
14 |
2 |
4 |
6 |
8 |
10 |
12 |
14 |
R2 |
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G |
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N |
A |
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F |
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M |
B |
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E |
J6 |
H |
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L |
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C |
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D |
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I |
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K |
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J |
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[X] = Address number |
C. Force Single-ended Mode |
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Address 6— |
D. ID Bit 0 |
E. ID Bit 1 |
Shipping Default for 68-pin model |
F. ID Bit 2 |
G. ID Bit 3 |
Address 7— |
H. Enable auto spin—68-pin model; |
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Normally reserved for the host adapter |
Disable auto spin—80-pin model |
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R1. Resistor value—150 Ohm |
I. Auto start delay |
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R2. Resistor value—150 Ohm for 68-pin |
J. Delay start 6/12 |
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model; |
K. Disable Parity |
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80-pin model—Not Used (0 Ohm) |
L. Target Initiated sync negotiation |
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A. LED: Connect to LED cathode— |
M. Disable unit attention |
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(68-pin model); Connected to LED |
N. Reserved |
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out pin 77—(80-pin model) |
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B. Termination power—used only on |
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68-pin model |
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Page 1 |
IBM Technology Group Support Center |
version 1.0 |
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