Detailed descriptions
16.4 BIOS Setup
SIMATIC Box PC 627
Operating Instructions, Release 05/2006, A5E00362052-03
16-31
[User] Select “User” if you want to define the hard disk drive. You also
need to configure the other options, for example, Cylinder, Heads,
Sectors/Track, or other properties of the hard disk drive.
[Auto] The parameters that you can select here are usually stored on the
respective IDE drive. The 'Auto' setting in the 'Type' field means
that these values are automatically read from the drive and written
to memory.
If Type is selected for a drive that cannot be detected, a time-out is
triggered within approximately 1 minute and the entries remain
unchanged. You should always check that the interfaces for which
you select 'Auto' are in fact connected to drives.
[CD/DVD-ROM] CD/DVD-ROM is connected
[ATAPI
Removable]
This is where removable data media is connected
Type
[None] Select "None" if you have not connected a disk drive. This setting
reduces the system waiting time.
The number of sectors transmitted per interrupt are transferred in the option “Multi-
Sector Transfers.” The value depends on the drive and should be set only to "Auto" in
the "Type" field.
Multi Sector-
Transfer
Disabled 2,4,8,16 sectors
LBA Mode
Control
“Enabled” in the option “LBA Mode Control” (enabled, disabled) means that hard disk
capacities greater than 528 MB are supported. The value depends on the drive and
should be set only to "Auto" in the "Type" field.
Transfer
Mode or Ultra
DMA Mode
The settings in these fields define the interface data transfer rate. The value depends
on the drive and should be set only to "Auto" in the "Type" field.
You exit the submenu using the ESC key.
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