ZEOS PANTERA, Руководство пользователя

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Enhanced
Enable this option if you are using a hard drive larger than
1GByte. This option enables enhanced mode disk geometry
translation. If the BIOS detects a drive capacity greater than
1GByte, it uses 255 head/ 63 sector translation. Otherwise it
uses 64 head/ 32 sector translation. This option also allows for
higher synchronous transfer rates of 6.67 MBytes/sec. or 10
MBytes/sec.
Parity
Enables parity checking by the on-board SCSI controller. Parity
is supported by most SCSI devices. If this option is disabled,
the SCSI controller still generates parity, but no interrupt will
be generated on parity errors.
Disconnect
Enables a SCSI device to disconnect from the on-board
controller if it will take a long time to complete a requested
operation, and later reconnect when ready to finish. Use this
feature to improve bus use in multitasking environments. Single
task environments like DOS usually work smoother when this
option is disabled. However, some tape backup units will
operate better when this option is enabled, even under DOS.
The default is disabled.
Chapter 3 - Using SETUP