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Checkpoint
(hex)
Description Repair Action
E122 No memory
detected (system
lockup) Note:
Harddisk light is on
continuously
1. Replace memory dimm(s)
2. Replace System Planar
3. Replace System Planar
See “Unresolved problems” on page 3-26
E123 No SIMM found in
the socket
See “Unresolved problems” on page 3-26
E124 Disable defective
memory bank
See “Unresolved problems” on page 3-26
E125 Clear PCI devices
command reg, go
forth
See “Unresolved problems” on page 3-26
E126 Check valid image -
start
See “Unresolved problems” on page 3-26
E127 Check valid image -
successful
See “Unresolved problems” on page 3-26
E128 Disable interrupts,
set int vectors for
O.F.
See “Unresolved problems” on page 3-26
E129 Validate target RAM
address
See “Unresolved problems” on page 3-26
E12A Copy ROM to RAM,
flush cache
See “Unresolved problems” on page 3-26
E12B Set MP operational
parameters (eg.
L.E.?, Real?)
See “Unresolved problems” on page 3-26
E12C Set MP CPU node
characteristics
See “Unresolved problems” on page 3-26
E12D Park secondary
processors in
parking lot
See “Unresolved problems” on page 3-26
E12E Primary processor
sync
See “Unresolved problems” on page 3-26
E12F Unexpected return
from Open Firmware
(system lockup)
See “Unresolved problems” on page 3-26
E130 Build device tree See “Unresolved problems” on page 3-26
E131 Create ROOT node See “Unresolved problems” on page 3-26
E132 Create CPUs node See “Unresolved problems” on page 3-26
3-16 7046 Model B50 Service Guide