Siemens SIMATIC PANEL PC 877 - Manual (Page 166)

Alarm, error and system messages
13.3 BIOS beep codes
SIMATIC Panel PC 877
13-6
Operating instructions, Release 07/2006, A5E00877780-01
Special codes
The following Beep codes are available in addition to the listed POST codes:
•
3 x short INSERT key is pressed on system start:
If an external graphics card on the bus board is not detected, you can try to activate it by
pressing the INSERT key.
The "INSERT" key activates special enumerations for activating a PCI VGA card.
• 1 x long 8 x short Error on reading the MPI system information:
Please contact Customer Support
• 4 x short MPI firmware has been updated:
This can occur once following a BIOS update.
• 2x short Error in checksum test of the BIOS:
This can occur following a battery replacement or when the battery is empty.