I did not remove the backplate either & it works just fine. These are some
pictures' ">http://forums.amd.com/index.php?showtopic=43191&st=70 that I posted which might help. Note that my MB is an A8V Deluxe.
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AMD Athlon 64 3400+ socket 939 (Newcastle)
A8V Deluxe
Antec Sonata 380W PS +12V 24A
2 x 256 MB Crucial Ballistix 2-2-2-8
Zalman fan CNPS7000B-ALCu
XFX 6600GT
Phenom 9950
Gigabyte GA-MA790GP-DS4H
Gigabyte HD 4850 GV-R485ZL-512H
2 x 1 GB Crucial Ballistix
HD- Segate ST3400620AS - Windows XP Pro
HD-Samsung HD502IJ
DVD- Samsung TS-H653N
PSU- Antec 380S +12V 24A