Datasheet

Z5K500 OEM Specifications
87
Word Content Description
00 045xH Drive classification, bit assignments:
15 (=0): 1=ATAPI device, 0=ATA device
* 14 (=0): 1=format speed tolerance gap required
* 13 (=0): 1=track offset option available
* 12 (=0): 1=data strobe offset option available
* 11 (=0): 1=rotational speed tolerance > 0.5%
* 10 (=1): 1=disk transfer rate > 10 Mbps
* 9 (=0): 1=disk transfer rate > 5 Mbps but <= 10 Mbps
* 8 (=0): 1=disk transfer rate <= 5 Mbps
7 (=0): 1=removable cartridge device
6 (=1): 1=fixed device
* 5 (=0): 1=spindle motor control option implemented
* 4 (=1): 1=head switch time > 15 us
* 3 (=1): 1=not MFM encoded
2 (=x): 1=Identify data incomplete
* 1 (=1): 1=hard sectored
0 (=0): Reserved
01 Note.2 Number of cylinders in default translate mode
02 xxxxh Specific configuration
C837h SET FEATURES subcommand is not required to
spin-up and IDENTIFY DEVICE response is
complete
37C8h SET FEATURES subcommand is required to
spin-up and IDENTIFY DEVICE response is
incomplete
738Ch SET FEATURES subcommand is required to
spin-up after power-up and IDENTIFY DEVICE
response is complete
03 Note.2 Number of heads in default translate mode
04-05 0 * Reserved
06 003FH Number of sectors per track in default translate mode
07-09 0 Reserved
10-19 XXXX Serial number in ASCII (0 = not specified)
20 0003H * Controller type:
0003: dual ported, multiple sector buffer with look-ahead read
21 4000H * Buffer size in number of sectors
22 00xxH * Obsolete
23-26 XXXX Microcode version in ASCII
27-46 Note.2 Model number in ASCII
47 8010H 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.
Note.1 The ‘*’ mark in ‘Content’ field indicates the use of those parameters that are vendor specific.
Table 55 Identify device information