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8-4
Installation and Maintenance
Volume
Octel 200/300
S.4.1
PB60019
−
01
Table 8-1 Boot ROM Diagnostic Errors (continued)
CPU
Error
Likely
Cause
CPU
Description
Severity
01F
UART 3 test error
n
CPU
020
UART 4 test error
n
CPU
021
Modem loopback error
n
CPU
022
TDM Crosspoint pattern test error
n
CPU
023
TDM Crosspoint address test error
n
CPU
024
Control Bus interrupt test error
n
CPU
025
Control Bus register test error
n
CPU
026
Control Bus shared memory pattern test error
n
CPU
027
Control Bus shared memory address test error
n
CPU
028
Control Bus DMA error
n
CPU
029
VCU Ready timeout
n
CPU
02A
VCU Error status failure
n
CPU
02B
VCU Reply timeout
n
CPU
02C
Invalid VCU reply
n
CPU
02D
Bad VCU reply status
n
CPU
02E
VCU Error: SCSI, boot error, or no bootstrap
n
CPU
02F
General VCU Boot failure
n
CPU
030
Board Information Chip write error
n
CPU
031
Board Information Chip read error
n
CPU
032
Board Information Chip checksum error
n
CPU
033
TDM Codec loopback error
n
CPU
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