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[Official] ASUS ROG Rampage IV X79 Owner's Club - Page 221

post #2201 of 9809
Quote:
Originally Posted by KaRLiToS View Post

Hey Guys, I just Flashed to the new 2003 Bios using the ROM to CAP utility, since then, I have debug code error "5A" each Boot before Post for around a minute or two.
5A: Internal CPU error
I'm afraid something bad happen, anybody experienced something similar?

Quote:
Originally Posted by JMCB View Post

Mine flashes that right before it posts as well. I have been thinking my CPU has been unstable lately (keep having memory issues), but I just think that might be 'normal' now.

Out of curiosity, manual or offset mode vcore for you ?
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post #2202 of 9809
Hello,

I have flashed to 2003 as well.. and my Debug LED shows a "9" but reversed, kinda like a "@"... it does that even after booted into windows... NO other post codes come up.. but the system seems to be running fine. I power off, shutdown, or rest, and it will do the normal most.. includign pausing at 5A, and 64(?), and finally into AA.

Anyone else have seen this?

Thanks,
post #2203 of 9809
Flashed to 2003, no problems. Had a problem on my main rig, but I cleared CMOS and all was better (I have two systems). Oddly enough, using the exact same settings on both give me different CPU Vcore results in CPU-Z.
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post #2204 of 9809
Quote:
Originally Posted by El_Capitan View Post

Flashed to 2003, no problems. Had a problem on my main rig, but I cleared CMOS and all was better (I have two systems). Oddly enough, using the exact same settings on both give me different CPU Vcore results in CPU-Z.

Hey, do you mind taking a screenshot of your timings and subtimings for your 1866 settings on the samsung LV? Also the voltage please. I was very close to 1866 8-9-9-24 trfc 147 and it even passed prim95 for an hour but got a bsod yesterday
    
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post #2205 of 9809
Anyone know the reason why my second GTX 680 is running at x8?

Slots

1-GTX 680
2-NO SLOT
3-EMPTY
4-Essence STX
5-GTX 680
6-EMPTY
7-Avermedia Game Capture HD

I have even turned off the 4th pci-e slot to see if it made a difference and it did not.


Both 680;s should be at x16, while the capture card and sound card should be at x1, so what is forcing my 2nd gtx 680 to be x8?
Edited by Hellish - 8/4/12 at 9:46am
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post #2206 of 9809
post #2207 of 9809
Quote:
Originally Posted by Hellish View Post

Anyone know the reason why my second GTX 680 is running at x8?
Slots
1-GTX 680
2-NO SLOT
3-EMPTY
4-Essence STX
5-GTX 680
6-EMPTY
7-Avermedia Game Capture HD
I have even turned off the 4th pci-e slot to see if it made a difference and it did not.
Both 680;s should be at x16, while the capture card and sound card should be at x1, so what is forcing my 2nd gtx 680 to be x8?
Because you have PCIe card at slot 7 (PCIe 3.0 x8_4). Can you try move it (Avermedia) to slot 3 (PCIe 3.0 x8_2A slot)?
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post #2208 of 9809
Quote:
Originally Posted by Hellish View Post

Anyone know the reason why my second GTX 680 is running at x8?
Slots
1-GTX 680
2-NO SLOT
3-EMPTY
4-Essence STX
5-GTX 680
6-EMPTY
7-Avermedia Game Capture HD
I have even turned off the 4th pci-e slot to see if it made a difference and it did not.
Both 680;s should be at x16, while the capture card and sound card should be at x1, so what is forcing my 2nd gtx 680 to be x8?

Going from memory, you want your 680 in the 3rd red slot, aka 4th slot. Only slots 1 and 4 are keyed for x16. All the rest are x8.
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post #2209 of 9809
Sorry for late reply but that's awesome news then. I can run in slot 1 and 2 with my Gpus's with no performance loss? That will give me tons of extra room for what i am trying to do. Just wish the other million posts saying slots 1 and 3 for Dual GPU were deleted to avoid confusion. Also i wont be downgrading my cards they will still bench the same and still be in X16 AND pci-e 3.0 ?

But main Plus is the clearance i will gain for the next Mod i am doing.

Thanks MybadOmen
   
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post #2210 of 9809
Quote:
Originally Posted by mybadomen View Post

Sorry for late reply but that's awesome news then. I can run in slot 1 and 2 with my Gpus's with no performance loss? That will give me tons of extra room for what i am trying to do. Just wish the other million posts saying slots 1 and 3 for Dual GPU were deleted to avoid confusion. Also i wont be downgrading my cards they will still bench the same and still be in X16 AND pci-e 3.0 ?
But main Plus is the clearance i will gain for the next Mod i am doing.
Thanks MybadOmen

I am so sick of explaining this over and over.

When you turn your motherboard around on the back side of it you will see that only the first PCI-E slot and the 4th (red one right above CMOS battery) have full size 16x electrical connections as shown here:


If you put your second video card in ANY other slot than slot 4 |(above CMOS battery) it will not be running at 16x, but at 8x. The performance loss will be minimal or even non existing depending on your video card horsepower and it's ability to saturate the lane bandwidth.

This is how it works:

2 video cards at 16x:
Red slots only:
1. 16x Video Card 1 [Populated]
2. 8x
3. 16x Video Card 2 [Populated]
4. 8x

This is not always the case when running more than 2 video cards because the CPU only has 40 PCI lanes:

3 video cards:
Red slots only:
1. 16x [Populated]
2. 8x [Populated]
3 .16x [Populated]
Total lanes used: (16x2) + 8 = 40 This is the hard limit of the CPU that's why the third red slot above CMOS battery must go down to 8x in quad sli as follows:

4 Video cards:
Red slots only:
1. 16x [Populated]
2. 8x [Populated]
3. 8x [Populated]
4. 8x [Populated]
Total Lanes used: (8x3) + 16 = 40

WHAT THIS MEANS: It's possible you may see a little performance loss in benchmarks if you run 2 card sli with one at 8x and the other at 16x. But you will not typically notice it in everyday applications and gaming as this "performance loss" is usually in the 0 to 2% difference, almost nothing. It really should not bother you but at least now you know how the bandwidth allocation works! Can this be rewritten nicely and added to the OP please?
Edited by Scorpion667 - 8/4/12 at 11:54am
    
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