Seagate ST31276A Spezifikationen PDF herunterladen (Seite 5)

ST3144 Family Installation Guide, Rev.

AT interface setup

This section describes drive geometries, compatible BIOS revi-

sions, jumper settings, and’ installation procedures for ST3144

family drives.

AT drive geometries

The following table shows the recommended drive geometries

for ST31 44 family drives.

Model

Formatted

MBytes

Cyl.

Sectors/

Heads Track

CMOS

MBytes

’

ST3096A

89.1

1,024

10 17

85.0

ST31 20A

106.9 1,024

102.0

ST3144A

130.7

1,001 15 17

124.6

Use a system utility, usually called SETUP, to enter the drive

geometry into the system CMOS. If the drive types offered by the

CMOS do not support the number of heads, cylinders, and

sectors/track shown by the table, and your system does not

support a “user-defined” drive type, select a drive type in your

system CMOS with a capacity less than or equal to the capacity

given in the “Formatted CMOS Megabytes” column of the table

above.

Note.

The number of Heads times the number of Sectors cannot

exceed 255, as given by the following equation:

(Heads) x (Sectors)

255

When you enter the drive geometry using the “user-defined” or

“custom” drive type, the CMOS calculates the drive capacity.

This

capacity is listed in the “Formatted CMOS Megabytes” column of

the table. It is the same effective capacity as the capacity shown

in the “Formatted Megabytes” column, even though the CMOS

value is lower. After high-level formatting, you can check the drive

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