General Features Of The Drive - Hitachi 7K250 - Deskstar - Hard Drive Specifications

2.0 General features of the drive

• Formatted capacities of 40 GB - 250 GB
• Spindle speeds of 7200 RPM
• Fluid Dynamic Bearing motor
• Enhanced IDE interface
• Sector format of 512 bytes/sector
• Closed-loop actuator servo
• Load/Unload mechanism, non head disk contact start/stop
• Automatic Actuator lock
• Interleave factor 1:1
• Seek time of 8.5 ms (40-GB, 80-GB models), 8.2 ms (120GB, 160GB and 250GB) typical without Com-
mand Overhead
• Sector Buffer size of 2048 KB and 8192 KB (Upper 260 KB is used for firmware)
• Ring buffer implementation
• Write Cache
• Queued feature support
• Advanced ECC On The Fly (EOF)
• Automatic Error Recovery procedures for read and write commands
• Self Diagnostics on Power on and resident diagnostics
• PIO Data Transfer Mode 4 (16.6 MB/s)
• DMA Data Transfer
• Multiword mode Mode 2 (16.6 MB/s)
• Ultra DMA
• CHS and LBA mode
• Power saving modes/Low RPM idle mode (APM)
• S.M.A.R.T. (Self Monitoring and Analysis Reporting Technology)
• Support security feature
• Quiet Seek mode (AAM)
• 48-bit addressing feature
Mode 5 (100 MB/s)
Deskstar 7K250 Hard Disk Drive specification
5