Acer M1640 Support Question

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Question posted by orjwid on January 26th, 2013

How Can I Disable Apic?

In BIOS it is not possible to disable APIC. How dan I do that?

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Answer #1: Posted by MercedesAMG on January 27th, 2013 9:44 AM

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MercedesAMG

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In device manager you will notice that under computer type it says Advanced Power and Control Interface PC. This is a standard single processor HAL driver without APIC. to upgrade to the APIC driver you input the following:

devcon sethwid @ROOT\ACPI_HAL\0000 := +acpiapic_up !acpipic_up
devcon update c:\windows\inf\hal.inf acpiapic_up

after this, enable APIC in the bios if you haven't already, and reboot twice so windows can update the device and irq tables, it should now say ACPI Uniprocessor PC in the device manager. Hope this helps.

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Service Guide for Aspire M1640 / M3640 / M5640 - Page 20

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Service Guide for Aspire M1640 / M3640 / M5640 - Page 23

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Service Guide for Aspire M1640 / M3640 / M5640 - Page 25

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Service Guide for Aspire M1640 / M3640 / M5640 - Page 28

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Service Guide for Aspire M1640 / M3640 / M5640 - Page 34

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Service Guide for Aspire M1640 / M3640 / M5640 - Page 35

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Service Guide for Aspire M1640 / M3640 / M5640 - Page 36

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Service Guide for Aspire M1640 / M3640 / M5640 - Page 39

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Service Guide for Aspire M1640 / M3640 / M5640 - Page 41

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Service Guide for Aspire M1640 / M3640 / M5640 - Page 45

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Service Guide for Aspire M1640 / M3640 / M5640 - Page 46

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Service Guide for Aspire M1640 / M3640 / M5640 - Page 48

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Service Guide for Aspire M1640 / M3640 / M5640 - Page 51

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Service Guide for Aspire M1640 / M3640 / M5640 - Page 54

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