8 card system?
Posted: Mon Nov 04, 2013 5:23 pm
Building a system for a customer based on Tyan FT77A, with eight GTX 780 cards. Can't get more than 7 cards to work - the 8th one to come up reports code 43. It is not related to slot or card - if I disable the 'code 43' card in device manager, then disable one more card (total 6 active), and re-enable the one that was 'bad', it comes up fine (total 7), but if I subsequently re-enable the formerly good card, it starts reporting code 43. This happens both in Windows 7 and Windows 8.1. Tried all sorts of BIOS settings, nothing seems to help. Has anyone gotten something like this to work? Tyan officially only support Tesla cards, and those are completely uneconomical.