Software • BIOS options
Chapter 4 Software
Automation PC 810 with GM45 CPU board user's manual V1.28
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1.10 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 beeping codes.
Beeping code
Description
Necessary User Action
1x short
Memory refresh failed.
Load BIOS defaults. In the event that the error persists, send indus-
trial PC to B&R for testing.
2x short
Parity error: POST error (error in one of the hardware testing proce-
dures)
Check the placement of the inserted card. In the event that the error
persists, send industrial PC to B&R for testing.
3x short
Base 64 Kb memory failure: Basic memory defect, RAM error within
the initial 64 Kb.
Send industrial PC to B&R for checking.
4x short
Timer not operational: System timer.
Send industrial PC to B&R for checking.
5x short
Processor error: Processor defect.
Send industrial PC to B&R for checking.
6x short
8042 gate A20 failure: Keyboard controller defect (block 8042/ A20
gate). Processor cannot switch to protected mode.
Send industrial PC to B&R for checking.
7x short
Processor exception interrupt error: Virtual mode exception error
(CPU generated an interrupt error).
Send industrial PC to B&R for checking.
8x short
Display memory read/write error: Video memory not accessible;
graphic card defect or not built in (no fatal error).
Check inserted graphic card position and eventually exchange. In
the event that the error persists, send industrial PC to B&R for test-
ing.
9x short
ROM-checksum error: ROM-BIOS-checksum incorrect, EPROM,
EEPROM or Flash-ROM component defect, BIOS defect or incorrect-
ly updated.
Send industrial PC to B&R for checking.
10x short
CMOS shutdown register read/write error: CMOS cannot be read/
written.
Send industrial PC to B&R for checking.
11x short
Cache Error / external Cache bad: L2 - Cache on the mainboard is
defected.
Send industrial PC to B&R for checking.
Table 220: BIOS post code messages BIOS GM45
