Bios version ?
Old versions sometimes had problems wich SDR-DDR changeovers.
The K7S5A does not like NoNameRAM, especially in older Bios versions.
Does it still work with PC-133 ?
What kind of RAM did you buy ?
-> Manufacturer/chips used
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32GB/64GB-BUG patched and tested BIOS
Uniflash - flash anything everywhere