I bought the q8300 to upgrade from an older Q-2Duo. The board is ver 1.x and the bios is upgraded to f9. The old cpu still works, but the new one hangs during boot right after the acpi 9 message. I can get into the bios but it hangs constantly with my usb keyboard, (again not a problem with the old cpu).
The post recognizes a cpu and my 6gig of ddr2 memory counts off my drives etc. Just wont finish booting that last step before windows. I do have the latest chip set drivers as well.
You'll probably have to go through a troubleshooting procedure. Does it boot with a PS/2 keyboard? What PSU do you have? What model is the old CPU (I presume that you meant a Core 2 Duo and not a Quad 2 Duo)?
It does not boot through with a ps/2 keyboard. The old processor is an e4400. I have reset the bios a number of times. Removed everything accept the vid card. no post codes, no error message simply stops after the message acpi 9
By default, the modules should run at 5-5-5-18 timings and 1.8V. Try bumping up the voltage a bit to see if all 4 modules will run. Don't exceed 2.1V (the EPP voltage for your modules). Ideally they'll run fine at 1.9V or 2.0V.