Detailed descriptions
16.5 BIOS Setup
SIMATIC Rack PC 840 V2
Operating Instructions, Edition 05/2006, A5E00248055-04
16-33
[Disabled]
It is not possible to boot from USB. USB keyboard and mouse
legacy support can be enabled.
USB Boot
[Enabled]
It is possible to boot from USB.
[Disabled]
The USB keyboard and mouse can be used in the BIOS Setup
and with operating systems which support the USB interface.
DOS and Windows NT cannot be operated.
USB legacy
keyboard/mouse
[Enabled]
The ISA bus is de-activated. DOS and Windows NT can be
operated by means of the USB keyboard. This means that the
operation of DOS-based tools such as Image Creator is
possible.
[AGP]
BIOS messages are output via the onboard AGP interface.
Default primary
video adapter
[PCI]
BIOS messages are output via installed PCI cards.
Frame Buffer
Size
[8 Mb]
[16 MB]
[32 MB]
The frame buffer size can be adapted to the graphics
requirement of your application.
[Disabled]
The onboard RAM is fully available.
Enable memory
gap
[Enabled]
A 1 MB area of the RAM beginning at 15 MB (address F0 0000 -
FF FFFF) can be used by auxiliary ISA cards.
"I/O Device Configuration" submenu
Figure 16-13 "I/O Device Configuration" submenu
The resources used by an interface are released when you disable the interface in question.
The I/O addresses and interrupts are pre-assigned; it is advisable not to change these
default assignments.