Specifications; Formatted Capacity; 528-Mbyte Capacity Barrier; Formatted Capacity (Mbytes) - Seagate Medalist 1270 Product Manual

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Medalist 1270 Product Manual, August 1995

1.0 Specifications

The drive was low-level formatted at the factory. You cannot low-level

format it.

The drive was configured in translation mode at the factory. It supports

cylinder-head-sector addressing (CHS) and logical-block addressing

(LBA) modes. You can use the Identify Drive (EC

the address modes the drive supports, the number of cylinders, sectors

per track, total number of sectors, heads and other drive parameters. The

Identify Drive parameters are listed in Section 3.2.1 on page 29.

Computers using some BIOSs impose a 528-Mbyte barrier on the hard

disc drive. The BIOS in these systems use a CHS addressing scheme

that does not acknowledge more than 1,024 cylinders in the translation

geometry. To access the drive's entire capacity, you must:

• Use a BIOS that acknowledges more than 1,024 cylinders or uses

LBA.

• Use a host adapter that accepts more than 528 Mbytes.

• Use a software driver that surpasses the 528-Mbyte barrier to install

the drive.

Note. A Seagate driver that surpasses the 528-Mbyte barrier is

available. Ask your Seagate representative for details.

• Use the dual-drive emulation option available on the drive. This option

makes the drive two logical drives for the computer. Both drive-type

parameters are configured in the CMOS and each logical drive is

partitioned and formatted independently. However, you can use only

the maximum translation-geometry values the BIOS permits—1,024

cylinders, 16 heads and 63 sectors. This restricts each logical drive

to less than 528 Mbytes.

) command to verify

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