Software • BIOS options
Chapter 4 Software
Panel PC 800 User's Manual V1.30
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1.12 BIOS error signals (beep codes)
While the B&R Industrial PC is booting, the following messages and errors can occur with BIOS. These errors are
signaled by different beep codes.
Beep code
Description
Necessary user action
1x short
Memory refresh failed
Load BIOS defaults. If the error persists, send the industrial PC to
B&R for testing.
2x short
Parity error: POST error (error in one of the hardware testing proce-
dures)
Check that the card has been inserted properly. If the error persists,
send the industrial PC to B&R for testing.
3x short
Base 64 kB memory failure: Basic memory error, RAM error within
the initial 64 kB
Send the industrial PC to B&R for testing.
4x short
Timer not operational: System timer
Send the industrial PC to B&R for testing.
5x short
Processor error: Defective processor
Send the industrial PC to B&R for testing.
6x short
8042 gate A20 failure: Defective keyboard controller (block 8042/
gate A20). The processor cannot switch to protected mode.
Send the industrial PC to B&R for testing.
7x short
Processor exception interrupt error: Virtual mode exception error
(CPU generated an interrupt error)
Send the industrial PC to B&R for testing.
8x short
Display memory read/write error: Video memory not accessible, de-
fective graphics card or not installed (not a fatal error)
Check that the graphics card has been inserted correctly, replace
if necessary. If the error persists, send the industrial PC to B&R for
testing.
9x short
ROM checksum error: ROM BIOS checksum incorrect; defective
EPROM, EEPROM or flash ROM component; defective BIOS or in-
correctly updated
Send the industrial PC to B&R for testing.
10x short
CMOS shutdown register read/write error: Unable to read/write from/
to CMOS
Send the industrial PC to B&R for testing.
11x short
Cache error / external cache bad: Defective L2 cache on the main-
board
Send the industrial PC to B&R for testing.
Table 190: 945GME BIOS - POST messages