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Dll Problems With Higher Range P4s?

By mteal ·
Hi all,

I had problems with an application that refused to run on a Pentium 4, 2.4GHz machine. I tried a lot of stuff (reinstalling/reimaging, drivers etc) and nothing worked. Finally the vendor came back to me and suggested the following fix which worked:

"The SYMANTIC Java JIT (Just-In-Time) complier has not been enhanced to execute on Pentium 4 processors. This has been replaced by the Sun complier with release 1.3.1 of Java. However the symcjit.dll is still distributed as part of the windows installation. This dll file must be deleted for the payroll wizard to execute correctly. To correct the problem, for Pentium 4 users (of any Java application) you must delete all copies of the file symcjit.dll from the client's workstation. The best way to achieve this is to use SEARCH from the START menu to make sure you catch all instances of the file.

If any copies of this file (and there may be several on a single machine) remain in the PATH, the Java runtime will "Dr Watson" theinstant it is executed"

My question is, have I missed some obvious problems with the higher range P4s? Are there known issues with common windows components like Java Virtual Machine, or is this just a one off? The confusing this is that the problem I had with this app didn't happen on a model of the PC where the motherboard was one model older and the processor was 1.7GHz. All the other components were exactly the same.

Thanks for any suggestions

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Dll Problems With Higher Range P4s?

by TheChas In reply to Dll Problems With Higher ...

Interesting!

When you say that all other hardware is the same, does that include the chip-set?

I do know that you cannot load Windows 95 on some P-IV chip-sets. So, it would not surprise me to see other older application files not execute on aP-IV system.

My next idea, is that the changes to the command set in the P-IV and for hyper-threading may be at the root of the incompatibility.

What version of Windows, and what service pack level are you running?

Of course, it is also possible that the faster CPU simply executes the commands in the DLL too fast and conflicts occur.

While I work at much slower CPU speeds, many of the testing routines that I deal with WILL NOT execute correctly at faster CPU speeds.

You may recall that W95 has a problem with AMD K6 CPUs of 350MHz and faster.
You need to set the clock below 300MHz, and install the patch from Microsoft to get W95 to run properly with K6 CPUs of 350MHz or more.

Chas

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Dll Problems With Higher Range P4s?

by mteal In reply to Dll Problems With Higher ...

Thanks for your reply.

According to the doco, the chipset should be the same between the PC models.

The O/S is a fairly old SOE currently running NT 4.0 with SP 6a.

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Dll Problems With Higher Range P4s?

by mteal In reply to Dll Problems With Higher ...

Thanks for your reply.

According to the doco, the chipset should be the same between the PC models.

The O/S is a fairly old SOE currently running NT 4.0 with SP 6a.

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