PCI/ISA System Board
3. Mode 3
- This option is only for HDDs that support
Mode 3.
4.
Logical Block Addressing (LBA)
- This option is only
for HDDs that support LBA mode.
5.
Drive Speed
- INSTALL.EXE, under the DOSDRV
directory get the hard drive's speed from the
DEVICE.LOG file if the information is already
present in the file. If the drive’s speed information is
not present in the DEVICE.LOG file, run “Test” to
find out the optimized speed. If you choose “Auto,”
the controller will select the speed according to the
drive’s PIO mode. Refer to the on-line Help for
more information.
Mode 0:
speed = 1
600ns cycle time
Mode 1:
speed = 6
390ns
Mode 2:
speed = 11
240ns
Mode 3:
speed = 13
180ns
Note:
For a more accurate speed test, a local bus clock
greater than or equal to 33MHz is highly recom-
mended.
The following is a table of the drive’s speed based on a
33MHz system. Other local bus clocks will give slightly
different results.
4-3
u
IDE Device Drivers
Содержание 586OP
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