IBM DCAS-32160 - Ultrastar 2.1 GB Hard Drive, Specifications

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1.0 General
1.1 Introduction
This document describes functional and interface specifications of DCAS-34330 and DCAS-32160 3.5 inch
hard disk drives. Both models have 50-pin, 68-pin or 80-pin (SCA-2) connector, and support Level-2
SCAM.
Note: The specifications are subject to change without notice.
The interface conforms to the referred documents listed in the next section.
The vendor specific items and options supported by the drive are described in each section.
1.2 References
'draft' ANSI SCSI-2 standard, Revision 10L, Jan 1994 (Document X3.1311-1994)
'draft' ANSI SCSI-3 Fast-20, X3T10/1071D
'draft' ANSI SCSI-3 SCAM, X3T10/855D Annex A
1.3 Glossary
Word Meaning
Kbpi 1,000 Bits Per Inch
Mbps 1,000,000 Bits per second
MB 1,000,000 bytes
KB 1,000 bytes unless otherwise specified
32KB 32 x 1,024 bytes
64KB 64 x 1,024 bytes
Mb/sq.in 1,000,000 bits per square inch
MLC Machine Level Control
PFA Predictive Failure Analysis (Trademark of IBM Corp.)
S.M.A.R.T. Self-Monitoring Analysis and Reporting Technology
ADM Automatic Drive Maintenance
SCAM SCSI Configured AutoMatically
1.4 General Caution
The drive can be easily damaged by shocks or ESD (Electric Static Discharge), so any damages applied to
the drive after taking out from the shipping package or opening of the ESD protective bag are the user's
responsibility.
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Copyright IBM Corp. 1996
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