IBM DJSA-205, Specifications

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Maximum number of sectors that can be transferred per
interrupt on Read and Write Multiple commands
15–8(=80h)
7–0 : Maximum number of sectors that can be
transferred per interrupt.
8010H 47
Model number in ASCII Note1 27–46
Micro code version in ASCII XXXX 23–26
Number of ECC bytes as currently selected via the set
feature command
* 00XXH 22
Buffer size in 512-byte increments * Note1 21
Controller type:
0003: dual ported, multiple sector buffer with look-
ahead read
* 0003H 20
Serial number in ASCII (0 = not specified) XXXX 10–19
Reserved * 0000H 09
Reserved 0 08
Reserved 0 07
Number of sectors per track in default translate mode 003FH 06
Reserved * 0 05
Reserved * 0 04
Number of heads in default translate mode Note1 03
SET FEATURES subcommand is not required to spin-up and
IDENTIFY DEVICE response is complete
C837H 02
Number of cylinders in default translate mode Note1 01
Reserved 0(=0)
1=hard sectored 1(=1) *
1=identify data incomplete 2(=0)
1=not MFM encoded 3(=1) *
1=head switch time > 15 us 4(=1) *
1=spindle motor control option implemented 5(=0) *
1=fixed drive 6(=1)
1=removable cartridge drive 7(=0)
1=disk transfer rate <= 5 Mbps 8(=0) *
1=disk transfer rate > 5 Mbps but <= 10 Mbps
9(=0) *
1=disk transfer rate > 10 Mbps 10(=1) *
1=rotational speed tolerance > 0.5% 11(=0) *
1=data strobe offset option available 12(=0) *
1=track offset option available 13(=0) *
1=format speed tolerance gap required 14(=0) *
1=ATAPI device, 0=ATA device 15(=0)
Bit assignments
Drive
classification
045AH 00
Description Content Word
Note. The ' *' mark in the 'Content' field indicates the use of those parameters that are vendor specific.
Note1. See the Figure 79.
Figure 79. Identify device information (1 of 7)
Travelstar 32GH/30GT/20GN hard disk drive specifications
115