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Service Hints & Tips |
Document ID: LWIK-3PGQUL |
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This document is provided to IBM and our Business Partners to help sell and/or service IBM products. It is not to be distributed beyond that audience or used for any other purpose. |
TP 760,765,770 - 32MB SO-DIMM memory failures may appear as program hang
Applicable to: EMEA
IBM internal testing has shown that a potential quality problem exists with the Options by IBM (OBI) 32MB SODIMM Memory Module (P/N 92G7342) shipped from IBM in July, August, September and the first half of October. The quality problem results in failure upon installation of the memory module.
Symptom:
Failures with specific and identified 32MB SO DIMM memory option P/N 92G7342 (FRU P/N 42H2769) in combination with another module of this part or any other SO DIMM memory Option or FRU.
The failure may appear in the following operating systems:
Windows 95 could display a failure as a REGISTRY error. The Registry error will not necessarily point to a memory problem. Windows 95 will fail when the error occurs during operation, so the Windows 95 error could have a wide range of symptoms in applications and not just the above registry error.
Windows NT can display a file corruption error upon failure during the NT boot sequence (NT Log-On screen) and it may indicate possible file corruption. In this case, the file has NOT been corrupted. The display at the Log-On screen will look similar to a memory TRAP error and lock up the machine, forcing the user to re-boot the ThinkPad.
OS/2 can receive a TRAP002 (memory), TRAP008 (double fault) or TRAP00D upon failure.
Windows 3.1 can display a General Protection Fault (GPF) or hang during operation.
Problem Isolation:
Shipping Box:
**STOP: If your box displays the identification markings indicated below; DO NOT OPEN IT.
Return it to your place of purchase for a replacement.
Look for SAM... *Header Code
J141B or J128H
Insure the part number is listed as above (P92G7342).
Front of memory module:
11S40H8652Z will be displayed as the first part of the label bar code.
ALL defective modules will have SAM 708 or 709 located in the bottom right corner of the label.
Back of memory module:
ALL defective modules will have the "AI AM-2" markings, as shown in the right corner above.
ALL defective date codes are between 9732 - 9738.
ALL defective memory modues will display a label marked with SEC KMM466F404AS1-L6 or L6M.
ALL defective memory WILL have an IBM label as shown above.
RESOLUTION:
Remove the 32MB SO DIMM(s) identified in the PROBLEM ISOLATION AID and replace with current FRU stock. All FRU stock has been purged of the effected Memory. Option stock is being purged. See PROBLEM ISOLATION AIDS for a descriptions of good verses defective. IBM Authorized Servicers can ONLY replace effected IBM Memory.
OEM (other equipment manufactures) memory having the same label information and failure mode minus the IBM option or FRU numbers should be returned by the customer to their point of sale for resolution.
Replace IBM memory under Warranty until ECA release.
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Search Keywords |
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Hint Category |
Memory, ECA, Lock-up/Hang | |
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Date Created |
05-12-97 | |
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Last Updated |
21-12-98 | |
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Revision Date |
21-12-99 | |
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Brand |
IBM ThinkPad | |
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Product Family |
ThinkPad 760E, ThinkPad 760ED, ThinkPad 760XD, ThinkPad 760EL/ELD, ThinkPad 760XL, ThinkPad 765L, ThinkPad 765D, ThinkPad 770 | |
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Machine Type |
9546, 9547 | |
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Model |
Various | |
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TypeModel |
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Retain Tip (if applicable) |
H057346 | |
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Reverse Doclinks |