Detailed descriptions
17.6 BIOS setup
SIMATIC Panel PC 877
Operating instructions, Release 07/2006, A5E00877780-01
17-53
[Disabled] Disables Legacy Universal Serial Bus support USB legacy
keyboard/mous
e
[Enabled] This function determines whether a USB keyboard or USB mouse
can be used with software or tools on an MS-DOS platform (e.g.
SIMATIC PC/PG Image Partition Creator). The ISA bus is disabled
when this option is set. The USB Boot function must be enabled to
allow booting from a USB device, or if the system is to be operated
without USB support with a USB keyboard or USB mouse.
The USB Legacy Keyboard/Mouse function also needs to be
enabled in addition to USB Boot (Enable), if operating systems
without USB support are operated with a USB keyboard or mouse.
The "Post errors" function must be disabled in the Main menu ->
Boot options of the BIOS setup to enable operation only with USB
keyboard and USB mouse and automatic system startup.
[CC00] Memory segment selection in the case of resource shift address
CC00
USB segment
location
[DC00] Memory segment selection in the case of resource shift address
DC00
[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
[8Mb]
[16Mb]
[32MB]
[None]
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.
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