Are you sure the 9700 with the shim is making proper contact? I've worked with 4 9700s, and even though the shim seemed level, it always needed to be removed

. Incidentally, this includes Rev 3 9700s with the red anodized heatspreaders attached by nylon pushpins.
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Epox 8RDA+
Radeon 9700 Pro
256mb pc2700 Samsung, max timings
Western Digital SE 80gb
16x Creative DVD-ROM
48x/12x/48x Lite On CD-RW
Windows 2000 professional
w00t