Siemens SIMATIC Rack PC 840 V2 Operating Instructions Manual page 126

Detailed descriptions
16.5 BIOS Setup
Boot options field
If the "Boot Options" field is selected in the main menu, the following context menu appears:
Figure 16-8
Quick Boot Mode
SETUP prompt
POST errors
Floppy check
Summary screen
'Enabled' means that the feature is active. 'Disabled' means that the feature is inactive.
16-28
"Boot Options" submenu (Example)
Some hardware tests are skipped to speed up the boot sequence.
The message
PRESS <F2> to enter Setup
is output at the bottom of the screen during the system run-up phase.
The boot sequence is stopped if an error is detected; you must press F1 to
acknowledge. If "Disabled" is selected, it is not necessary to acknowledge an
error, e.g where no keyboard is connected.
The floppy head is stepped inward and then back to its original position during
the system run-up phase.
This test reinitializes the drive.
The most important system parameters are displayed when the system boot
phase completes.
Operating Instructions, Edition 05/2006, A5E00248055-04
SIMATIC Rack PC 840 V2