I'd treat it as a standard NPNV (no post no video) and strip it of all non-essential POST hardware, including all accessory cards and all RAM beyond the minimum POST requirement. After that, swap the RAM sticks and see if it will post with each different pair.
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I'd treat it as a standard NPNV (no post no video) and strip it of all non-essential POST hardware, including all accessory cards and all RAM beyond the minimum POST requirement. After that, swap the RAM sticks and see if it will post with each different pair. Also try using non-standard RAM slots if the initial slots don't work (it could be a dead channel).
I'd treat it as a standard NPNV (no post no video) and strip it of all non-essential POST hardware, including all accessory cards and all RAM beyond the minimum POST requirement. After that, swap the RAM sticks and see if it will post with each different pair.