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ASRock ConRoe1333-D667 945GC A2 Mainboard Review  - Overclocking test
Bluetooth 18 May 2007

 Pricing of
ASROCK CONROE1333-DVI/H

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Overclocking test of the 945GC A2 chipset at 355 x 7 on E6300

In this section, we take a look at the overclocking potential of this board as it uses a newer stepping the 945G chipset. The new chipset is labelled 945GC A2.

As we know, the 945G is surprisingly overclockable in our past tests of the 945G series of boards. Some were able to do 360MHz. Will the 945GC A2 be able to do better?

Pairing up with the ASUS EN7900GT card with 91.31 driver, we began by setting the memory divider to DDR2-533 so that memory runs in SYNC with the CPU. e.g. when CPU is 266MHz, ram is at DDR2-533 at CAS 5, 5-5-15 which is quite relaxed timings. As the Corsair ram is rated CAS 5, 5-5-5-15 2T at DDR2-800 and has been tested to reach DDR2-1066 speeds, that will not deter our FSB beyond the 400 mark. We have reached 525 before using the same piece of ram.

Next, we set the two voltages to HIGH setting. Subsequently, we increase the CPU CLK to 333MHz. The CPU-PCIe must be run in SYNC and not ASYNC. If you put it to ASYNC, the system won't even BOOT at 300MHz. We successfully ran the board at 333MHz x 7

We increase the FSB further to 355 x 7 and the board seems OK. At this juncture, the PCIe clk is already beyond the 115MHz mark. Below are screen shots with 3DMark05 and CPU-Z.

As we were testing the board, we noticed that the board can actually POST as high as 390MHz. At this FSB, it couldn't detect the HDD. We decided to use a IDE HDD to test out, the results are shown on next page.....

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