Seagate ST9051A, Installation Manual

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Supported system BIOS revisions
These drives are AT interface compatible drives. The host system
BIOS must provide full support for the AT interface command set.
Consult the system documentation for implementation informa-
tion for your system.
In accordance with the ATA/CAM specification, after a hard reset
is received from the host, the BIOS must reset any emula-
tion/translation parameters for the drive.
The ST9144 family AT interface drives use 4 bytes of Error
Correction Code (ECC) with the Read Long/Write Long com-
mands.
Based on the drive type, some system BIOSes look for 7 bytes
of ECC. If your system expects 7 bytes of ECC, some drive
diagnostic programs return false failures (typically time-out er-
rors). Consult your system documentation, or call your system
dealer or manufacturer for information on configuring your system
to receive 4 bytes of ECC.
ST9144 Family Installation Guide, Rev. B 7