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Nvidia MCP61 noapic linux network card bug


2007-12-07 Digg! icurtain Delcious icurtain Technorati icurtain


When using any board that utilises the Nvidia NForce 6100 (MCP61) chipset with Linux you will probably have to add the boot option of noapic as due to all the funky energy saving features on the board the chipset speed is all screwed up and Linux can't interface with any of the board management features.. that fixes the not being able to boot bug but can lead to others - with some kernel releases Linux disables IRQ11 and doesn't initialise a whole load of drivers properly.

On an Asus M2N-MX board running Centos 5.0 (kernal 2.6.18-8.el5) this can affect the network card causing it to erase all of the static settings and boot with DHCP every time you reboot

NForce APIC FIX

Upgrade to Centos 5.1 (kernel 2.6.18-53.el5PAE) which will boot with noapic enabled and initiate the network card correctly keeping the static settings or... apparently you can go into your bios and turn off all the power saving settings and then set static values for the memory speeds etc which might just make Linux boot with APIC enabled - but sounds like way too much hassle

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