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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
CPUDescriptionSeverity
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