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Bought a 990FX Sabretooth, BIOS flash with AMD FX chip?

post #1 of 14
Thread Starter 
Just bought a 990FX sabretooth mobo along with a FX 8120.

It looks like it needs a BIOS flash for the FX to function properly, question is, can I flash with the FX in the cpu slot or would I have to get a supported CPU before flashing BIOS?

I've read about people being able to flash bioses with a new chip on some Gigabyte mobos, but haven't really heard anything about Asus mobos, any idea?
Optimusprime
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Optimusprime
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post #2 of 14
You can give it a try, I guess.

Or just pop in that 1090T to flash.
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post #3 of 14
Only one way to find out, try to flash it.
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post #4 of 14
Thats weird. The 990FX boards were built specifically for the FX chips. Im surprised youd have to flash the BIOS at all.

If the board fires up and everything works fine with the FX proc in place, then go ahead and update the BIOS with it in there. If your board wont work right with the FX in there then I gotta think there might be something wrong with either the proc or the motherboard cause those should just be a drop in and go kinda thing.
post #5 of 14
Depending on where you got the board, it might have the old school bios that didn't support bulldozer. A ton of people had this problem when bulldozer was first released and they didn't have an older am3 cpu to help with updating their bios.

Well, if the fx 8120 doesn't work right away and you're incapable of updating bios with it in the socket, you don't have much choice but to use your 1090t to update the bios.
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post #6 of 14
Do not flash the BIOS with a unsupported CPU, it can brick your board. I found out the hard way with an AM2+ board.
BY unsupported CPU I mean in the POST screen the top line should show the processor name if not it will show unsupported CPU or unsupported processor.
post #7 of 14
Thread Starter 
Quote:
Originally Posted by Bitemarks and bloodstains View Post

Do not flash the BIOS with a unsupported CPU, it can brick your board. I found out the hard way with an AM2+ board.
BY unsupported CPU I mean in the POST screen the top line should show the processor name if not it will show unsupported CPU or unsupported processor.

Yeah that's what I figured.
as I said, I know there's people that has managed to flash with unsupported CPUs but if there's a chance of a brick I wouldn't take the risk.
Looks like I'm going to have to find my old X2 550/B50 chip. wink.gif
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Optimusprime
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post #8 of 14
do you not have the 1090T any more, that one would work perfect. i had the same issue because i got mine about the time BD came out. i didnt have an old CPU to use so i took it to a computer place near me and they popped in an AM3 cpu and did the bios update for me.

The 1090T is supported and if you still have that you can use it.
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post #9 of 14
Thread Starter 
Quote:
Originally Posted by navynuke499 View Post

do you not have the 1090T any more, that one would work perfect. i had the same issue because i got mine about the time BD came out. i didnt have an old CPU to use so i took it to a computer place near me and they popped in an AM3 cpu and did the bios update for me.
The 1090T is supported and if you still have that you can use it.

unfortunately my sig rig is no longer with me.
but I do have a X2 550 sitting here, I' m going to use that.
Optimusprime
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Optimusprime
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post #10 of 14
Hmmm. I flashed my old ASRock 780G board with my X6 1090 in it when it wasnt supported. I updated the BIOS thru Windows and it went pretty painless and fired right back up. Still, maybe I just got lucky and there's no need to tempt fate if you dont have to. Better to slap in your old Phenom just to be safe. That Sabertooth is a work of art. Definitely dont want to be doing anything thatll damage it. thumb.gif
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