IBM Hard Drive Model Number Designation
(Valid for HDs since end of 1993)
Example: DFHS-34320
Disk, Starfire High Performance (7200RPM)
SCSI, 3.5-Inch, 4320MB
DBBC-xyyyy z
|-+| |---+ |
| || | | +------ U = Ultra-SCSI
| || | | W = Ultra-Wide-SCSI
| || | |
| || | +-------- Capacity in MB
| || |
| || +------------ Form Factor
| || 2 = 2.5-Inch
| || 3 = 3.5-Inch
| ||
| |+-------------- Interface
| | S = SCSI
| | A = AT/IDE
| | C = SSA
| |
| +--------------- Family
| AQ = ???
| CA = ???
| CH = ???
| FH = Starfire High Performance
| FM = Starfire Mid Performance
| SA = Satsuma
| SH = Shima
|
+----------------- Product
D = Disk Drive
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