Detailed descriptions
16.5 BIOS Setup
SIMATIC Rack PC 847B
168
Operating Instructions, 06/2008, A5E02203168-01
[User]
Select “User” to enter a user-specific definition of the hard disk
type. Configure all the other options, for example, Cylinder, Heads,
Sectors/Track, or other properties of the hard disk drive.
[Auto]
The parameters which you can select in this dialog are usually
saved to 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 does not exist, a timeout is
triggered within approximately 1 minute and the entries remain
unchanged. It makes sense only to set "Auto" for interfaces to
which a drive is connected.
[CD/DVD-ROM] CD/DVD-ROM is connected
ATAPI
Removable
A removable data volume is connected
Type
None
Select "None" if you have not connected a disk drive. This setting
reduces system waiting time.
The number of blocks (sectors) transferred per interrupt are defined at the "Multi-
Sector Transfer" option. The value depends on the drive and should only be set by
way of "Auto" setting at the "Type" field.
Multi-Sector
Transfer
Disabled
2, 4, 8, 16 sectors
LBA Mode
Control
The "Enabled" setting at the "LBA Mode Control" (enabled, disabled) option means
that hard disk capacities greater than 528 MB are supported. The value depends on
the drive and should only be set by way of "Auto" setting at the "Type" field.
The type of access to the drive is determined in the 32-bit I/O field
Disabled
16-bit access
32-bit I/O
Enabled
32-bit access (default)
Transfer
Mode or Ultra
DMA Mode
Define the data transmission rate of the interface in these fields. The value depends
on the drive and should only be set by way of "Auto" setting at the "Type" field.
Exit the submenu by pressing ESC.
Содержание SIMATIC PC 847B
Страница 208: ...Appendix A 4 Retrofitting instructions SIMATIC Rack PC 847B 208 Operating Instructions 06 2008 A5E02203168 01 ...
Страница 216: ...List of abbreviations C 1 Abbreviations SIMATIC Rack PC 847B 216 Operating Instructions 06 2008 A5E02203168 01 ...
Страница 232: ...Index SIMATIC Rack PC 847B 232 Operating Instructions 06 2008 A5E02203168 01 ...