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Many memory related errors on new 990FX Professional

Last response: in Motherboards
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December 26, 2011 12:11:31 AM

Hello, everyone.

So, brand new Christmas build, and I'm having issues on first boot.

Basically, depending on which stick of RAM and which slot I use, I get a different error, sometimes changing depending on the boot.

The errors are showing on the "Dr. Debug" LED Display, so it's not even posting. Some of the errors are listed below:

0x0A: OEM Initialization after microcode loading.
0x4A: OEM post memory initialization code
0x50: Invalid memory type or incompatible memory speed.
0x54: Unspecified memory initialization error.

And if I pull the memory entirely, you'd expect a 0x55: Memory not installed, right? Nope.
0x19: Pre-memory southbridge initialization started.

So, how do you gentlemen understand the problem? I'm currently running full breadboard to test. Just CPU, 24pin, 8pin and RAM installed, running 1.30 BIOS, should work with my processor. I don't have any other DDR3 RAM to test with, but I'll be borrowing some from my cousin tomorrow.

Specs:

Motherboard: ASRock Fatal1ty 990FX Professional AM3+ AMD 990FX SATA 6Gb/s USB 3.0 ATX AMD
CPU: AMD FX-8120 Zambezi 3.1GHz Socket AM3+ 125W Eight-Core Desktop Processor FD8120FRGUBOX
RAM: G.SKILL Ripjaws Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9D-8GBRL

Thanks for your help, and Merry Christmas!
December 26, 2011 7:10:03 PM

I'm having the same problem with the same type of RAM, except I'm using 16GB, the same processor, and same board. Any help would be appreciated.
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January 15, 2012 10:20:48 PM

so don't know if this well help I'm not very good at this but. i to have same board as you 990fx Asrock. I'm running 1.50 bios, 2x4 g.skill ram 2133 and AMD 8120.

was not letting me boot with timings set manually or anything of the sort unless i was cool with ddr 800 speeds. so to the point i found that i need to set the fsb 200, NB 2200 (11x200) set that voltage to 1.210. leave HT at 2600 and voltage on auto. set ram voltage to 1.540(i have 1.5v ram so bumped up a little). I leave the CPU stock clocked in bios with 1.250V, then use amd overdrive to put where i wish when i like.
all the extras like turbo core disabled.
hope that helps and is not to late.
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!