Ok, I made some progress with this. After disabling two settings in the BIOS: "C1E Function" and "EIST Function" the multiplier has increased to 8x, this has increased the frequency to 2.66Ghz, which is a big improvement over 1.9 to say the least.
Also, Foxconn support finally got back to me, with the following reply:
"Dear Dave,
Thank you for supporting Foxconn products.
Would you please tell us which BIOS version you are using?
I have helped check up the 773F1P13 is the latest version with this feature, please update your BIOS to the latest version.
http://www.foxconnsupport.com/download.aspx?models=en-us0000345&category=C000000001&series=en-us0000002&keywords=&sort=BIOS
When power on, please press "Del" key into the Bios setup screen, and find "Fox Central Control Unit" press "enter" key, here you will see "CPU Clock Ratio" and "CPU N/2 Ratio" etc items;
If update the BIOS version you still can't see this item, it is mostly related to your currenct CPU, since some retailed CPU, intel locked this feauture.
Any update or query, please feedback to me freely,
Yours Friendly,
Foxconn Technical Support"
Not a great deal of help in all honesty. I already told them my BIOS version (773F1P11) which admittedly is a few months out of date so I will update it tonight, and I already know where the option is *supposed* to be in the BIOS (I also told them I had looked in this location, but it does not appear, anyway...).
Does what they are saying about the processor ring true? ..i.e. that Intel "Lock" some of them down? Sounds a bit odd to me.. I am using a Q8400, bought less than a week ago, from Novatech. No bundles or anything, just the cpu and HSF.
Any help greatly appreciated.
regards
Dave