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Troubleshooting 8–3
Safe ARCSBIOS
8.4 Safe ARCSBIOS
The safe ARCSBIOS provides an emergency recovery mechanism when the primary
firmware image contained in the flash has been corrupted. When the flash memory
has been corrupted, and no image can be loaded safely from the flash, you can run
the safe ARCSBIOS to reprogram the flash.
Table 8–2 Post Codes
Source Post Codes Description
SROM 00 Initialize Chipsets, Measure CPU speed
01 Normal Beep, Compute external cache parameters
Normal 02 Initialize memory controller
Srom 03 Initialize external cache
Codes 04 Test memory cached
05 Test memory noncached
07 Verify SROM checksum, PAL checksum, copy PAL to
memory
08 Initialize registers for PAL,jump into PAL
ARCSBIOS 80 No Fan
81 Can not measure CPU speed
82 Invalid DIMM configuration
83 Cached memory error
84 Noncached memory error
Error Codes 85 SROM has bad checksum
86 PAL has bad checksum
87 Error copying FLASH to memory, Failed noncached verify
88 Error copying FLASH to memory, Failed refill from DIMM
verify
89 Error copying FLASH to memory, Failed refill from Bcache
verify
8A Standard ARCSBIOS has a bad checksum
Error Codes 8B Safe ARCSBIOS has a bad Codeschecksum
8C No video
8D No keyboard