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Win 2K3 on dual proc Intellistation

By mahoneyr1 ·
I've recently upgraded an IBM 6865 Intellistation (new Win2k3 OS, additional ram, 2nd HD, 2nd proc). All went well till we added the 2nd proc. As long as the 2nd (identical) proc is in place, the machine freezes during, recently flashed, bios. Each individual proc works on it's own, but not together. Looked for options in the bios settings but didn't see anything specific to enable for dual procs. Any Comments, suggestions, or questions?

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Multiprocessor kernal

by timwalsh In reply to Win 2K3 on dual proc Inte ...

It sounds like you added the second processor after you installed Windows Server 2003. Does BIOS recognize the second processor?

At installation time Windows identifies the installed processor(s) and installs the correct kernel/HAL based on the number of processors detected.

Where does the server freeze (you left that part out)? You may need to boot into safe mode to update the installed HAL. If you can get there, go to Device Manager and choose Computer. I'd be willing to bet that the entry says "ACPI Uniprocessor PC" (signifying that the single processor kernel/HAL is installed). The second processor will not work and probably WILL hang the system if this is the case. You must update the driver (right-click, choose Properties, go to the Driver tab and choose Update Driver) to "ACPI Multiprocessor PC."

If you can't boot into safe mode to perform this update, the next thing to try is to remove the second processor and then try the update process. If this doesn't work, you will need to reinstall the second processor, boot the server from a boot disk, wipe the drive, and reinstall the OS scratch. During installation, it will detect that multiple processors are installed and it will install the correct HAL. NOTE: You might be able to get away with just conducting a repair installation rather than a complete re-installation.

Hope tis helps.

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