HP Workstation x4000 hp workstation x4000 - Technical Reference manual - Windo - Page 214

Understanding the Diag LEDs, The BIOS is in Boot Block Recovery

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Troubleshooting Understanding the Diag LEDs Table 11-1 Diag LED Patterns (R = Red, Y = Yellow, G = Green, q = Off) Pattern Description Possible Solutionsa RYYY The detected memory is corrupt. RYYq No memory detected. RYqq A memory pair is mismatched. 1. Reseat the RIMMs. 2. Reseat the memory expander card. 3. Replace the RIMMs as described in "System Memory" on page 159. 4. Replace the memory expander card. 1. Insert or reseat the RIMMs. 2. Reseat the memory expander card. 3. Replace the RIMMs as described in "System Memory" on page 159. 4. Replace the memory expander card. 1. Ensure each pair of RIMMs are matched in size and type as described in "Upgrading Memory on the 8-RIMM MEC" on page 159. 2. Replace the RIMMs as described in "System Memory" on page 159. 3. Replace the memory expander card. YRqq The BIOS is in Boot Block Recovery Mode. Boot Block Recovery Mode can be initiated automatically by the BIOS from corruption caused by a power failure during flash. Boot Block Recovery Mode can be forced by setting system board switch 2 to ON. 1. Wait until the BIOS recovery operation is complete (LED pattern GRqq) and follow the solution steps for pattern GRqq. 2. Ensure system board switch 2 is OFF. 3. Replace the system board as described in "System Board" on page 186. 214 Chapter 11

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Troubleshooting
Understanding the Diag LEDs
Chapter 11
214
RYYY
The detected memory is corrupt.
1.
Reseat the RIMMs.
2.
Reseat the memory expander card.
3.
Replace the RIMMs as described in
“System Memory” on page 159.
4.
Replace the memory expander
card.
RYY
●
No memory detected.
1.
Insert or reseat the RIMMs.
2.
Reseat the memory expander card.
3.
Replace the RIMMs as described in
“System Memory” on page 159.
4.
Replace the memory expander
card.
RY
●●
A memory pair is mismatched.
1.
Ensure each pair of RIMMs are
matched in size and type as
described in “Upgrading Memory
on the 8-RIMM MEC” on page 159.
2.
Replace the RIMMs as described in
“System Memory” on page 159.
3.
Replace the memory expander
card.
YR
●●
The BIOS is in Boot Block Recovery
Mode. Boot Block Recovery Mode can
be initiated automatically by the
BIOS from corruption caused by a
power failure during flash. Boot Block
Recovery Mode can be forced by
setting system board switch 2 to
ON
.
1.
Wait until the BIOS recovery
operation is complete (LED pattern
GR
●●
) and follow the solution
steps for pattern GR
●●
.
2.
Ensure system board switch 2 is
OFF
.
3.
Replace the system board as
described in “System Board” on
page 186.
Table 11-1
Diag LED Patterns
(R = Red, Y = Yellow, G = Green,
●
= Off)
Pattern
Description
Possible Solutions
a