Silicon-image SiliconDrive SSD-DXXX(I)-4210 Manual de usuario Pagina 55

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ATA COMMAND BLOCK AND SET DESCRIPTION SSD-DXXX(I)-4210 DATA SHEET
SILICONSYSTEMS PROPRIETARY
This document and the information contained within it is confidential and proprietary to SiliconSystems, Inc.
All unauthorized use and/or reproduction is prohibited.
4210D-03DSR PAGE 46 FEBRUARY 2, 2009
Identify Drive — Drive Attribute Data
Table 33: Identify Drive — Drive Attribute Data
Word
Address
Data Default Bytes Data Description
0 045Ah 2 General configuration bit information
15: Non-magnetic disk
14: Formatting speed latency
permissible gap needed
13: Track Offset option supported
12: Data Strobe Offset option supported
11: Over 0.5% rotational speed
difference
10: Disk transfer rate > 10Mbps
9: 10Mbps >= disk transfer rate > 5Mbps
8: 5Mbps >= disk transfer rate
7: Removable cartridge drive
6: Fixed drive
5: Spindle Motor Control option
executed
4: Over 15μs changing head time
3: Non-MFM encoding
2: Soft sector allocation
1: Hard sector allocation
•0: Reserved
1 XXXXh 2 Number of cylinders
2 0000h 2 Reserved
3 00XXh 2 Number of heads
4 0000h 2 Number of unformatted bytes per track
5 XXXXh 2 Number of unformatted bytes per sector
6 XXXXh 2 Number of sectors per track
7-8 XXXXh 4 Number of sectors per device
9 0000h 2 Reserved
10-19 XXXXh 20 Serial number
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