1.0 General
This document describes the specifications of the following IBM 2.5-inch, ATA interface hard disk drives:
DBCA-203240 (3250 MB)
DBCA-204860 (4870 MB)
DBCA-206480 (6490 MB)
Note: The specifications are subject to change without notice.
1.1 Glossary
Word Meaning
Kbpi 1 000 Bit Per Inch
Mbps 1 000 000 Bit per second
GB 1 000 000 000 bytes
MB 1 000 000 bytes
KB 1 000 bytes
32 KB 32 x 1 024 bytes
64 KB 64 x 1 024 bytes
Mb/sq.in 1 000 000 bits per square inch
MLC Machine Level Control
DFT Drive Fitness Test
TBD To Be Defined
1.2 General Caution
Do not apply pressing force on the top cover (See Figure 1 on page 2).
Do not cover the breathing hole on the top cover (See Figure 2 on page 3).
Do not touch the interface connector pins and the surface of printed circuit board.
The drive can be easily damaged by shocks or ESD (Electric Static Discharge), so any damages applied
to the drive after taking out from shipping package and opening ESD protective bag are user's responsi-
bilities. .
Copyright IBM Corp. 1998 1
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