Shuttle XPC User Manual page 14

Access Mode
Choose the access mode for this hard disk.
Ø The choice: CHS, LBA, Large, or Auto.
Capacity
Disk drive capacity (Approximated). Note that this size is usually slightly
greater than the size of a formatted disk given by a disk checking program.
Ø Auto-Display your disk drive size.
The following options are selectable only if the 'IDE Primary Master'
item is set to 'Manual', and Access mode set to CHS.
Cylinder
Set the number of cylinders for this hard disk.
Ø Min = 0, Max = 65535
Head
Set the number of read/write heads.
Ø Min = 0, Max = 255
Precomp
Warning: Setting a value of 65535 means no hard disk.
Ø Min = 0, Max = 65535
Landing zone
Set the Landing zone size.
Ø Min = 0, Max = 65535
Sector
Number of sector per track.
Ø Min = 0, Max = 255
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