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Hello Peter, my name is John Walker I recently won an Abit overclocking competition and as a result have been taken onboard to "test" boards to their limits and basically show off the results on various hardware forums.
As it stands I've been given an IN9 board to work on and have been trying out a few overclocks on it seeing what breaks first :) I've been forwarded the two beta BIOSes from Max (M622A_11.B01 and M622A_11.B02) and have tested both. A few things have come up I would like to discuss.
Firstly, the cpu speed is incorrectly reported at the POST screen, correct multiplier but incorrect FSB. Not really a problem but it would be nice if it were right.
nVidia EPP implementation. To what extent has this been programmed? I wonder if it is only for extended timings including subtimings or has any of the voltage information been programmed. There are a number of users with high performance RAM (Corsair 8500C5D being one of them) which have an EPP enhanced SPD. The problem seems to stem from the fact the IN9 default DDR2 voltage is 1.8volts whereas these memory modules require a minimum of 2.2volts Having read the white papers for this technology there is entries for voltage control, so I would have expected that the IN9 would detect this and adjust the voltage accordingly. It would appear however that this is not the case. Can you comment on this matter?
CPU Multiplier Adjustment. There is a lack of upwards adjustment on core2duo and core2quadro processors. IT has proven to be a bone of contention with many overclockers in the community. I would strongly recommend that if it is straight forward enough to implement then to do so, you will please a great many people :)
Voltage Ranges. While I applaud the range of voltages for CPU and DDR I would be grateful if such wide ranges were also available on the other volt settings, especially CPU HT voltage and VTT. The limit of 1.4 volts if holding me back in my pursuit of high FSB and even getting into 1.5volts - ideally 1.6volts would be greatly appreciated.
This brings me onto another matter, the subject of voltage modifications. I have successfully worked out and implemented manual voltage adjustments for the SPP, MCP and VTT voltage controllers but CPU HT has proved to be quite a puzzled. Please find attached a picture of the MOSFET found under the first PCI_E x16 slot on the board. The source leg supplies the CPU HT voltage but I have been unable to locate the feedback and control circuit. I would be most grateful if you were able to advise me on this matter as having control over this would help my pursuit of high FSB speeds!
Thank you for reading this far, I write to you in the hope of helping everyone by getting the wants of the overclocking community conveyed to the right people in Abit, and allowing your products to mature quickly and have the features the market wants, while dealing with problems quickly.
Thanks for your time; I look forward to hearing from you soon.
John Walker aka Johnny Bravo