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Boot Rom Diagnostic Errors
An error message prints if errors are encountered. Table 8-1 is a list of possible boot ROM diagnostic
error numbers, a description of each error, and the most likely cause. The error number is displayed in
hexdecimal form. When a failed assembly is returned for repair, the specific error number provides
additional information. When contacting your technical support center, indicate the boot ROM diagnostic
error number. A fatal error means that the message server does not come up.
CPU
Error
001
002
003
004
006
007
008
009
00A
00B
00C
00D
00E
00F
010
011
012
013
014
015
016
017
018
019
01A
01B
01C
01D
01E
PB60019−01
Table 8-1 Boot ROM Diagnostic Errors
Severity Description
Fatal
Microprocessor Instruction Set Error
Fatal
EPROM (Flash) Checksum Error
Fatal
DRAM Pattern Test Error
Fatal
DRAM Address Test Error
Programmable Interval timer error in timing
Programmable interval timer interrupt error
Analog to digital converter test error
+5V VCC out of range (+4.75V to +5.25V)
+5V clean out of range (+4.75V to +5.25V)
+12V clean out of range (+10.8V to +13.2V)
+12V motor supply out of range (+11.4V to +12.6V)
−5V clean out of range (−5.5V to −4.5V)
−12V out of range (−12,6V to −11.4V)
Temperature out of range (<10C or >50C)
Analog tone timer error
Fatal
Unexpected interrupt error
DMA page register test error
DMA register test error
DMA transfer test erro
Real Time Clock RAM test error
Real Time Clock Alarm interrupt error
Real Time Clock counting error
Floppy disk controller test error
Option Control Chip write error
Option Control Chip read error
Option Control Chip checksum error
Watchdog timer test error
UART 1 test error
UART 2 test error
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System Errors and Traffic Pegs
CPU
Likely
Cause
CPU
n
CPU
n
CPU
n
CPU
n
CPU
n
CPU
n
CPU
n
PSU
n
PSU
n
PSU
n
PSU
n
PSU
n
PSU
n
CPU
n
CPU
n
CPU
n
CPU
n
CPU
n
CPU
n
CPU
n
CPU
n
CPU
n
CPU
n
OCC
n
OCC
n
OCC
n
CPU
n
CPU
n
CPU
n
Octel 200/300
8-3
S.4.1
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