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- SUBJECT: TRAP 0002
- ------------------
-
- The technical support staff has evaluated the TRAP 0002 problem
- you have reported.
-
- Memory failures running under OS/2 could display a TRAP0002
- error message. This OS/2 error message informs the user
- that the operating system has detected a hardware memory
- error on the system board or on an option card.
-
- OS/2 2.0 is a 32 bit operating system that takes data in 32 bit
- words and this may cause some timing problems. DOS and other
- operating systems do not stress the memory as OS/2 does.
- For example, the DOS operating system uses 1 MG of low memory,
- while the OS/2 operating system is loaded into high memory
- which has never been stressed by an operating system.
- Also DOS is a single task operating system while OS/2 is
- multi-tasking. These feature will stress the memory in an OS/2
- environment.
-
- The four causes of a TRAP0002 error are:
- 110 Error - System Board memory Parity Error
- 111 Error - Memory Expansion Adapter Parity Error
- 112 Error - Watchdog Timer Error (Could be Hardware or Software)
- 113 Error - DMA Arbitration Error(Could be Hardware or Software)
-
- The most common type of TRAP0002 error is caused by memory, but
- it may on some occasions be caused by a system board or a
- micro channel adapter failure. It may also be caused by mismatched
- memory simms from different manufactures or different classes
- (i.e. 1x9 bit simms cannot be mixed with 1x3 bit simms , also
- it appears the 1x9 simms are more reliable )
-
- In light of the fact that history has shown that TRAP 0002's
- are hardware related, we suggest that you contact the supplier
- of your memory and memory adapter to have them tested. Thank you.
-
- -------------------------------------------------------------------------------
- Thank you for calling the OS/2 2.0 Support Line. Regarding the problem
- reported to the Support Line, we feel that this information may assist
- you in resoloving your problem. If you still require assistance, please
- call 1-800-237-5511, and reference your customer number and problem (PMR)
- number. Your Problem Record Number (PMR) should appear on the cover
- page of this faxed document.