Question about Tyan S5396A2NRF Dual LGA771 XEON5000 5100 SATA2 Raid Audio 1394 GLAN ATX Motherboard (635872021268)
Have Theramaltake Eureka Case,Thermaltake W0171 1500W Psu,Tyan i5400XT S5396A2NRF, 2 Intel Quad Core CPU E5405A,Kingston RAM 4G Stick, Powercolor HD3870XT1GB GPU and 6 WD 5000aaks drives in Raid 1+0. OK when cold power supply only spins fans for half a second on startup.Have RMA'd both PSU and Mobo and came back with no faults.
Procedure used to try and isolate problem. First turned off power then drain mobo by holding front case button 3 seconds till light on mobo goes out then tried turniong power back on psu then front case button and still only get spins. My tech has spoken directly with tech at Digicor Australia in Clayton. When mobo RMA'd it had Bios update, tech seems to think it may have a short on the board in mounting. Ther have been other references on google about this startup problem but seems to be no answers. I have contacted Tyan directly but have no response. My tech seems to think it is a timing issue on between mobo and psu. Thanks if you can help.
Tyan i5400xt.. to test for ground.. pull the board from the chassis and test with a different known good power supply
if the boot works... then you have a power supply issue...
does the board have a post code lighted signal ???
if so.. a bad power supply should goto FF error code
verify you have enough power on the cpu rail with your power supply specifications also
be sure you have all cables 4 pin 8 pin and 20/24 pin connections done correctly.. lastestly check if the board is touching the chassis edge anywhere... could cause a ground
also take and loosen all the MB screws from the chassis.. just let it hang there this will test the grounds needs the screw connections
Posted on Sep 28, 2009
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