Marathon 420sl Installation Guide, August 1995

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program does not allow you to specify a custom drive type, your drive may be able to emulate one of the predefined drive types. Select a predefined drive type that has a capacity as close as possible to, but not greater than, the BIOS calculated capacity of your drive (as shown in the table on page 5).

Note. If you emulate a drive type with a lower storage capacity than your drive, you limit the effective capacity of your drive. For example, a 350-Mbyte drive emulating a 300-Mbyte drive will be limited to 300 Mbytes of storage capacity.

If you are not sure which drive type to select, try running the FINDTYPE.EXE utility program. This program is avail- able from Seagate’s Technical Support services (on the SeaBOARD computer bulletin board). FindType compares your drive’s geometry with all geometries supported by your computer’s BIOS. FindType can also determine whether an exact match exists between the drive geometry and the system BIOS. If there is no match, FindType selects the closest drive type supported by your computer’s BIOS.

The system setup program may request information on the drive’s write precomp or landing zone. However, you do not need to enter any values, since your Seagate drive does not use these parameters.

Caution. Write down the drive type that you have selected and any drive specifications that you have entered. Keep this information in a safe place. You will have to re-enter this data if your CMOS battery fails.

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Seagate ST9420AG manual