IBM DDRS-39130 - Ultrastar 9.1 GB Hard Drive User manual

OEM HARD DISK DRIVE SPECIFICATIONS for
DDRS-39130 / DDRS-34560
3.5-Inch Hard Disk Drive ( 9130 / 4560 MB )
Revision (2.0)
S00K-0097-03

OEM HARD DISK DRIVE SPECIFICATIONS for
DDRS-39130 / DDRS-34560
3.5-Inch Hard Disk Drive ( 9130 / 4560 MB )
Revision (2.0)
S00K-0097-03

1st Edition (Rev.0.1) S00K-0097-00 (Aug. 29, 1997) Preliminary
2nd Edition (Rev.1.0) S00K-0097-01 (Oct. 15, 1997)
3rd Edition (Rev.1.1) S00K-0097-02 (Oct. 30, 1997)
4th Edition (Rev.2.0) S00K-0097-03 (Mar. 06, 1998)
The following paragraph does not apply to the United Kingdom or any country where such provisions are
inconsistent with local law: INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS
PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow disclaimer or express or implied warranties
in certain transactions, therefore, this statement may not apply to You.
This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the
information herein; these changes will be incorporated in new editions of the publication. IBM may make improve-
ments and/or changes in the product(s) and/or the program(s) described in this publication at any time.
It is possible that this publication may contain reference to, or information about, IBM products (machines and
programs), programming, or services that are not announced in your country. Such references or information must
not be construed to mean that IBM intends to announce such IBM products, programming, or services in your
country.
Technical information about this product is available from your local IBM representative or at
http://www.ibm.com/harddrive
IBM may have patents or pending patent applications covering subject matter in this document. The furnishing
of this document does not give you any license to these patents. You can send license inquiries, in writing, to the
IBM Director of Commercial Relations, IBM Corporation, Armonk, NY 10577.
 Copyright International Business Machines Corporation 1998. All rights reserved.
Note to U.S. Government Users —Documentation related to restricted rights —Use, duplication or disclosure is
subject to restrictions set forth in GSA ADP Schedule Contract with IBM Corp.

Contents
1.0 General ...................................................... 1
1.1 Introduction ................................................... 1
1.2 References .................................................... 1
1.3 Glossary ..................................................... 2
1.4 General Caution ................................................ 2
1.0 Outline of the drive ............................................... 3
Part 1. Functional Specification ....................................... 5
2.0 Fixed Disk Subsystem Description ....................................... 7
2.1 Control Electronics ............................................... 7
2.2 Head Disk Assembly .............................................. 7
2.3 Actuator ..................................................... 7
3.0 Drive Characteristics .............................................. 9
3.1 Formatted Capacity ............................................... 9
3.2 Data Sheet .................................................... 9
3.3 Cylinder Allocation .............................................. 10
3.4 Performance Characteristics ......................................... 10
3.4.1 Command overhead ........................................... 11
3.4.2 Mechanical Positioning ......................................... 11
3.4.3 Drive Ready Time ............................................ 13
3.4.4 Spindle Stop Time ............................................ 13
3.4.5 Data Transfer Speed ........................................... 13
3.4.6 Buffering Operation (Lookahead/Write Cache) ........................... 14
3.4.7 Throughput ................................................ 15
4.0 Data integrity ................................................. 17
4.1 Equipment Status ............................................... 17
4.2 Error Recovery ................................................ 17
5.0 Physical Format ................................................ 19
5.1 Shipped Format (PList) ........................................... 19
5.2 Reassigned Format (GList) ......................................... 19
6.0 Specification .................................................. 21
6.1 Electrical Interface Specification ...................................... 21
6.1.1 Connectors ................................................ 21
6.1.2 SCSI Cable ................................................ 27
6.1.3 SCSI Bus Terminator .......................................... 27
6.1.4 Hot Plug / Unplug ............................................ 27
6.1.5 SCSI Bus Electrical Characteristics .................................. 28
6.1.6 Auxiliary Connector on 68-pin Model ................................. 29
6.2 Option Jumper Block ............................................. 30
6.2.1 Jumper Signal Description ....................................... 32
6.2.2 Shipping Default ............................................. 35
6.3 LED Circuit .................................................. 36
6.3.1 50-Pin Model ............................................... 36
6.3.2 68-Pin Model ............................................... 37
Copyright IBM Corp. 1997 iii