Goliath PCI Pentium Pro EISA System User’s Guide
46
Standard Setup,
Continued
Entering Drive Parameters You can also enter the hard disk drive parameters. The drive
parameters are:
Parameter
Description
Type
The number for a drive with certain identification
parameters.
Cylinders
The number of cylinders in the disk drive.
Heads
The number of heads.
Write
Precompensation
The actual physical size of a sector gets progressively
smaller as the track diameter diminishes. Yet each
sector must still hold 512 bytes. Write
precompensation circuitry on the hard disk
compensates for the physical difference in sector size
by boosting the write current for sectors on inner
tracks. This parameter is the track number on the disk
surface where write precompensation begins.
Landing Zone
This number is the cylinder location where the heads
normally park when the system is shut down.
Sectors
The number of sectors per track. MFM drives have 17
sectors per track. RLL drives have 26 sectors per
track. ESDI drives have 34 sectors per track. SCSI
and IDE drives have even more sectors per track.
Capacity
The formatted capacity of the drive is the number of
heads times the number of cylinders times the number
of sectors per track times 512 (bytes per sector).
Cont’d
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