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- Date: May 23, 1985
- To: Files
- From: AMS
- Subject: Fixed Disk Drives - IBM PC/XT and AT
- ________________________________________________________________________
- Built-in Drive Types Supported by XT Fixed-disk BIOS
- ________________________________________________________________________
-
- DRIVE TYPE 0 1 2 3
-
- Cylinders 306 375 306 306
- Heads 2 8 6 4
- Write Precomp no no 256 no
- Capacity(MB) 5.3 26.1 15.9 10.6
- ________________________________________________________________________
- Note: Type 2 drives for XT --->Tandon TM503
- Type 3 drives for XT --->Micro-Science HH612
- +++++Any drive larger than 15.5mb requires DOS 3.0+++++
-
-
- Built-in Drive Types Supported by AT Fixed-disk BIOS
- ________________________________________________________________________
-
- DRIVE TYPE 1 2 3 4 5 6 7 8 9 10 11 12 13 14
-
- Cylinders 306 615 615 940 940 615 462 733 900 820 855 855 306 733
- Heads 4 4 6 8 6 4 8 5 15 3 5 7 8 7
- Write Pre-
- Comp 128 300 300 512 512 no 256 no no no no no 128 no
- Landing
- Zone 305 615 615 940 940 615 511 733 901 820 855 855 319 733
- Capacity 10.6 32.1 49.0 32.1 117.5 37.2 21.3
- (MB) 21.4 65.4 21.4 31.9 21.4 52.0 44.6
- _________________________________________________________________________
- NOTE: Type 1 drives for AT --->Micro-Science HH612
- Type 2 drives for AT --->CMI 6426/6426S, Micro-Science HH725A
- Type 3 drives for AT --->CMI 6640
- Type 9 drives for AT --->Maxtor XT1140
- Type 13 drives for AT --->Disctron D-526
- ++++++Any drive larger than 33mb requires a new FDISK program++++++
- (ATASI 3051 drives are available with SPEEDSTOR software permitting up to
- 4 DOS partitions).
-
- Source: P.50, PC TECH JOURNAL, December l984
- Independent research - FAMILY LEDGERS, Ltd.
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