IBM HS21 - BladeCenter - 8853, Problem Determination And Service Manual, Page: 29 / 140

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v
See Chapter 3, “Parts listing, Types 1885 and 8853,” on page 73 to determine which components are CRUs
and which components are FRUs.
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Beep code Description Action
1-1-4 BIOS ROM checksum failed.
1. Update the BIOS code.
2. Reseat the DIMMs.
3. Replace the following components one at a
time, in the order shown, restarting the
blade server each time:
a. DIMMs
b. (Trained service technician only) System
board assembly
1-2-1 Programmable interval timer failed. (Trained service technician only) Replace the
system board assembly.
1-2-2 DMA initialization failed. (Trained service technician only) Replace the
system board assembly.
1-2-3 DMA page register write/read failed. (Trained service technician only) Replace the
system board assembly.
1-2-4 RAM refresh verification failed.
1. Reseat the DIMMs and the Memory and I/O
Expansion Blade if installed.
2. Replace the following components one at a
time, in the order shown, restarting the
blade server each time:
a. DIMMs
b. (Trained service technician only) System
board assembly
c. Memory and I/O Expansion Blade (if
one is installed)
1-3-1 First 64K RAM test failed.
1. Reseat the DIMMs.
2. Replace the following components one at a
time, in the order shown, restarting the
blade server each time:
a. DIMMs
b. (Trained service technician only) System
board assembly
1-3-2 First 64K RAM parity test failed.
1. Reseat the DIMMs.
2. Replace the following components one at a
time, in the order shown, restarting the
blade server each time:
a. DIMMs
b. (Trained service technician only) System
board assembly
2-1-1 Secondary DMA register test failed. (Trained service technician only) Replace the
system board assembly.
2-1-2 Primary DMA register test failed. (Trained service technician only) Replace the
system board assembly.
Chapter 2. Diagnostics
13