i'm in the long proces of building my gamin/working rig and all is flawless but for one small problem.
here is my configuration
-case: corsair obsidian 800d
-MB: asus m4a79t deluxe
-cpu: AMD phenomII x4 955 black
-ram: 4x2gb kingstone "standard" low profile
-gpu: tried 2x crossfire sapphire hd4870 vaporx 1gb ddr5, but now running with one
-psu: corsair AX850
-cpu cooling: corsair h80 liquid aio
-raid: IBM Megaraid M5015 with BBU
-sys disk: IBM SAS 10k 300gb
-data array: 3x 250gb caviar blue raid 5 (temporary ofcourse wile prices comes back to hart)
- various fan: two 140mm noisblocker pk3 for intake, two silverstone airpenetrator for radiator in p&p, a shyte kama flow 120 for extraction on top, original 120mm corsair for hd rack, a noiseblocker 3600rpm 40mm for raid originally passive dissipator.
the first problem i had was indeed raid card overheating, wich i solved mounting the above fan pushing air on the passive dissipator, and changing thermal paste on the small cpu.
now the problem is that most of the times when the pc is off for long time (not month maybe 24 hours) when i first tourn it on fans ar going 100% and a red led is on on the gpu:
the led revealed to mean overtemp protection wich i9 knew was impossible, because the gpu is cold even touching it!
-i tried changing the gpu with the identical one i had, same resoult.
-tried one of the gpu in another system, and is still working fine after 3 weeks.
-found out that when the problem appear is enough to switch of the psu, remove the motherboard small battery, wait for power to fade away from mb then put it back and it works magically.
then if i shut it down brutally for a crash, or i don't use it for few days the problem appeares, but goes away if i do as above.
my main suspect is on the raid card..
since is ceated for servers, which usually stays up forever, virtually at least, when off it runs out of battery on bbu..
when i tourn it on again it says that data on chache memory was lost.
Any idea on how to solve the problem?
is adviseable to use a raid with bbu on desktops wich is not used server-like 24/7?
i would like to keep courrent HW ( not channge MB for ex) since i'm waiting for ne intel ivy bridge family,,, if possible!