18.517 bytes |
Service Hints & Tips |
Document ID: MCGN-3YUHSW |
Netfinity 5500 - With 256MB register SDRAM
Applicable to: World-Wide
Source: RETAIN tip H164409
SYMPTOM:
Netfinity 5500 intermittent memory failure during POST (Power On Self-Test). Depending on memory configuration, the failure occurs with various symptoms:
- A POST 1-3-1 error beeps, with no video on the display.
- POST Memory Size or Memory Count error.
PROBLEM ISOLATION AIDS:
- The system is a Netfinity 5500 server Type 8660, all models.
- The system has one or more 256MB Register SDRAM, FRU 01K7391 (Option P/N 01K8043.)
- One of the 256MB memory DIMMs is in the J1 memory slot, which locates furthest away from the processor, and the barcode label contains Header Code "J1542".
- The failure occurs only in cold boot (removing power). Warm boot (Pressing Ctrl-Alt-Del keys) does not have a problem.
- All memory in the system is IBM Qualified and Supported.
FIX:
1- As a workaround, place the DIMM with Header Code J1542 to a memory slot other than J1. Or,
2- For a permanent fix, upgrade system BIOS to BIOS Level 3. The BIOS is available in the following IBM website with filename 36L9816.EXE: http://www.pc.ibm.com/us/files.html
To download:
- Select "Search"
- Type the filename (36L9816.EXE) in the "Keywords" box
- Select "Search"
- Select the file to download
The files are self-extracting executable files that will prompt for a diskette.
The corresponding text files are viewable and may be printed.
3- Do not replace the DIMM, unless a solid memory failure is detected outside the scope of this tip.
NOTE: 256MB DIMMs with any other header codes are not suspect.
Diagram A: SAMPLE 256 MB MEMORY DIMM with IBM Label:
SAS KEYWORDS:
PSY2, D/T8660, MEMORY, RAM, J1542, 256MB, DIMM, NETFINITY, 5500, 01K7391, 01K8043, J1, UNCLASSIFIED, H164409
Search Keywords |
PSY2, D/T8660, MEMORY, RAM, J1542, 256MB, DIMM, NETFINITY, 5500, 01K7391, 01K8043, J1, UNCLASSIFIED, H164409 | |
Hint Category |
Retain | |
Date Created |
01-10-98 | |
Last Updated |
14-01-99 | |
Revision Date |
14-01-2000 | |
Brand |
IBM PC Server | |
Product Family |
Netfinity 5500 | |
Machine Type |
8660 | |
Model |
ALL | |
TypeModel |
| |
Retain Tip (if applicable) |
H164409 | |
Reverse Doclinks |
Date last altered: A98/09/25 |