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Sabertooth 990FX finally stable

Froglips
Level 7

‎10-04-2011 04:43 AM - last edited on ‎03-05-2024 07:45 PM by Community Admin

The new BIOS, no core unlocking, and a drop to only two sticks of RAM appears to have settled down my Sabertooth.

I have an observation that I don't understand. When I pull all but one stick of RAM the PC boots nearly instantly. Doesn't matter which slot it is in. When I add a second stick, any slot, the boot delay is significant, 15-20 seconds. I can see all the self test stuff going on the motherboard. I assume the motherboard is struggling to identify the RAM for some reason. It always gets it right, no matter how many sticks are installed. With four sticks in the boot delay is a tiny bit longer but the system stability is dramatically impacted adversely.

Has anyone got BIOS settings that will make the Sabertooth stable with four sticks of 4GB RAM?
Kurt "Froglips" Giesselman

System specs: Asus Sabertooth 990FX, AMD FX 4170, 16GB dual channel DDR3 16000 RAM, 2 x Palit 560Ti 2GB video cards in SLI, 2 x WD Raptors 70GB RAID 0 array (System), Corsair 64GB SSHD (Sims), 2 x Hitachi 200GB RAID 1 array (Data), TIR 4, Auria 26" main display, HP 21.5" Helios touch display, XKeys Pro panel, Copy Cat Controls w/ custom cyclic/collective/rudder
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11 REPLIES 11

Froglips
Level 7
In response to Retired

‎11-05-2011 01:49 AM

This is a perplexing motherboard. Sat down to fly my flight sim last night and the board won't boot. Push power butoon, fans spin for about 3 seconds then PC shuts down. Guess I will reset the BIOS and see if that helps.
Kurt "Froglips" Giesselman

System specs: Asus Sabertooth 990FX, AMD FX 4170, 16GB dual channel DDR3 16000 RAM, 2 x Palit 560Ti 2GB video cards in SLI, 2 x WD Raptors 70GB RAID 0 array (System), Corsair 64GB SSHD (Sims), 2 x Hitachi 200GB RAID 1 array (Data), TIR 4, Auria 26" main display, HP 21.5" Helios touch display, XKeys Pro panel, Copy Cat Controls w/ custom cyclic/collective/rudder
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Retired
Not applicable
In response to Retired

‎11-11-2011 05:19 PM

I've just set up my new Sabertooth FX990 board with the new AMD FX-8150 CPU (AM3+ socket). I like the 5 year warranty and the Military specs. Out of the box, I had a problem as the BIOS was the 0402 version which was too early to ID the new Bulldozer CPU. So I was lucky to borrow an AMD AM3 CPU which the board accepts, and flashed the board with the ASUS beta 0810 BIOS. System booted fine. I'm running 16 GB of Vengeance RAM which is on the compatability list and am running at native speed of 1600 9/9/9/24. With the beta BIOS and auto settings, the RAM is listed as 1333 but it is easy to set up at 1600.
According the the user's manual, RAM can be installed in single in slot A2. 2 sticks in A2 and B2 otherwise all four slots populated. The UEFI BIOS is very cool and you can really fine tune settings with the advanced mode.
Before I purchased this set up, the reviews were not pretty as the CPU was getting beat on tests by the Intel I7 2600K but I think because the FX-8150 CPU is a different kind of platform, not everyone understands the architecture and workings. It's not an Apple to Oranges comparison rather it is just a different approach and is suited to a multi tasking environment. Some say that Windows 8 programming will really take advantage of the workings of Bulldozer.
So I'm just an extreme amateur and if I'm wrong in my comments, I'd like to hear comments and also any postings on BIOS settings for this board etc. would be interesting to see.

Thanks! Elgato425@hotmail.com
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