Siemens Simatic PC Panel PC 870 - Manual (Page 37)

Release 11/02 Connecting and Switching On the Panel PC 670/870
SIMATIC Panel PC 670/870 Start-Up Instructions 2–15
2.6.4 Windows XP
When a Panel PC 670/870 is started up for the first time, the system may
request entry of the appropriate license number during the operating system
boot routine. After entering the license number, enter a name for the computer
so that it can be identified within a network. When using Microsoft Windows XP,
it is advisable to enter an administrator password.
Notice
If external PS/2 and USB keyboards are used at the same time, it is possible
that the keyboard LEDs are not updated correctly.
Special features
The Panel PC 670/870 is shipped with BIOS setting
LEGACY SUPPORT
DISABLED
. That means the full functional range of a USB keyboard is not
available during the initial boot sequence (before Windows is started). There
are no restrictions for using a USB keyboard to make changes in the BIOS
Setup. When using an operating panel with touchscreen front, changes can
only be made to the BIOS using an externally connected USB or PS/2
keyboard.
The
USB Legacy Support
is preset to
DISABLED
in the BIOS Setup under
menu item
Hardware
.