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28 PCM-3420 User's Manual
Formatter and Partitioner (afdisk)
Use the DOS-based afdisk utility to partition and format SCSI hard disk
drivers, Floptical drivers, and magneto-optical drivers. You can also
use afdisk to remove DOS and non-DOS partitions from a disk drive
and to format removable media in standard disk format, OS/2 floppy
format, or DOS/V (Japanese) format.
Note : Use afdisk only if the disk device is not controlled by the
PCM-3420 host adapter BIOS - that is , if the PCM-3420’s BIOS is
not enabled. If the disk device is controlled by the PCM-3420 host
adapter BIOS, use the DOS fdisk utility to partition and format the
disk device .(See the MS-DOS documentation)
Run afdisk from the DOS prompt only, not from the Windows MS-DOS
prompt. Before you run it, be sure the disk devices you want to format
and partition are connected to the PCM-3420 host adapter and they are
powered. Then follow these steps :
1.Change to the directory where afdisk.exe is located (usually c:\scsi),
type afdisk at the DOS prompt, and press Enter.
Information about your SCSI disk devices appears on the screen.
(The number that appears after Target is the device’s SCSI ID.)
2.Use the arrow keys to move the highlight bar to disk device you
want to partition, then press Enter.
l If the selected disk device is controlled by the PCM-3420 host
adapter BIOS, you can view information about it but you
cannot partition it with afdisk (Use the DOS fdisk and format
utilities).
l If the selected disk device is unpartitioned, you must partition
it before you can format it. To do this , follow the instruction
on the screen. (Press F1 to see an explanation on the partition-
ing options.)
Information about the selected disk device appears in the lower left
of the screen. Disk smaller than 1 Gigabyte have 64 heads, 32 sectors
per track, and cylinders equal to the number of Mbytes of available
capacity. Disks larger than 1 Gigabyte have 255heads, 63 sectors per
track, and one cylinder per 8 M Bytes of available capacity.