IBM LS42 - BladeCenter - 7902, Руководство по обслуживанию

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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 7901 and 7902,” on page 19 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
1-2-4 RAM refresh verification failed.
1.
Reseat the following components:
a. DIMMs (see “Removing a memory
module” on page 37 and “Installing a
memory module” on page 38)
b. MPE unit (if one is installed) (see
“Removing an expansion unit” on page
31 and “Installing an expansion unit” on
page 32)
2.
Replace the following components one at a
time, in the order shown, restarting the
blade server each time:
a.
DIMMs (see “Removing a memory
module” on page 37 and “Installing a
memory module” on page 38)
b. (Trained service technician only)
system-board assembly (see “Removing
the system-board assembly” on page 62
and “Installing the system-board
assembly” on page 62)
c. (Trained service technician only) MPE
board assembly (if one is installed) (see
“Removing the system-board assembly”
on page 62 and “Installing the
system-board assembly” on page 62)
1-3-1 First 64K RAM test failed.
1.
Reseat the DIMMs (see “Removing a
memory module” on page 37 and
“Installing a memory module” on page 38)
2. Replace the lowest-numbered pair of
DIMMs with an identical known good pair
of DIMMs; then, restart the server. If the
beep code error remains, go to 3b. Return
one DIMM at a time from the failed pair to
its connector, restarting the server after each
DIMM, to identify the failed DIMM (see
“Removing a memory module” on page 37
and “Installing a memory module” on page
38).
3.
Replace the following components one at a
time, in the order shown, restarting the
blade server each time:
a. DIMMs (see “Removing a memory
module” on page 37 and “Installing a
memory module” on page 38)
b. (Trained service technician only)
system-board assembly (see “Removing
the system-board assembly” on page 62
and “Installing the system-board
assembly” on page 62)
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BladeCenter LS22 Type 7901 and LS42 Type 7902: Problem Determination and Service Guide