IBM B50 - Manual (Page 80)

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