ASUS P5B-Deluxe; Problems & Fixes

[Patriote]

Well for those who thought 1215 was going to be the last bios for the P5B Deluxe/Wifi they were wrong:

New beta bios 1216 dated 16/08/07

Link:ftp://ftp.asus.com.tw/pub/ASUS/mb/so...P/P5BD1216.zip

There's no change log at the moment so it's just try and comment.

Where did you found that ? I don't see it on Asus\Canada. Only 1215.

[sremick]

Where did you found that ? I don't see it on Asus\Canada. Only 1215.

Umm he gave the link, and you quoted it.

Try going there? Just a thought.

[Patriote]

Umm he gave the link, and you quoted it.

Try going there? Just a thought.

If i click on that link, it just sends me to download the file. I want to know where he got it

[sremick]

If i click on that link, it just sends me to download the file. I want to know where he got it

The FTP site, just like that link shows. Same place the rest of us get it, heh.

Take the link and chop the file off the end. Voila: "where he got it"

[Gingernut]

Like sremick said it's from asus's ftp server.
Asus updates their ftp server with new drivers and bios's that take a while to get to the Asus web or sometimes never make it there for some reason or another.

P5B Deluxe/Wifi Bios 1216 change log

1. Finetune CPU temperature detection algorithm.

Some people report 1-2 degrees off cpu temps.

[szukalski]

Any solution to the PCI-E mode problem, this is really getting me pissed off, it reverts to x1 from x16 no matter what I do.

I always find it happens when I have chipset/northbridge voltages set incorrectly. Once I find the correct voltages for the clock it clears itself up.

Still, it's annoying.

[Patriote]

Oh Ok. I'll install 1216. Thanks!

[chuckbam]

I am happy I was wrong that the 1215 would be the last bios for the P5B. I read that on some forum.

I loaded the 1216. My CPU temps (I use SpeedStep) went up from 55 ~ 64c to around 62 ~ 75c.

I have been updated MB temps are the same at 50 ~ 52c.

And my temps went down after I removed this Asus CPU cooler and went back to stock. I will need to look at what is out for CPU coolers. Or, maybe I will wait till I get a 4 core. I really don't want to open this up again, right now.

[Angelico_Payne]

On P5K -dlx tread they say , that mobo gives better OC results and response for 4core CPUs then on P5b-dlx... worth a try

[nicepun]

Well I though I have gotten shafted after updating to 1215 bios via DOS. The damn thing would not POST so I turned it off completely for a few minutes then rebooted and was able to POST. Man I though I had a big paper weight on my hands.

[wanky]

I have this board but have found speedstep and c1e will not drop the CPU voltage when you overclock , I got an E4400 with a high multi so i could overclock and run speedstep for the best of both worlds but as soon as i go over 280fsb with my e4400 speedstep/c1e will only drop the multi and not voltage which is pointless as all energy savings come from the voltage drop. yes vcore in bios is on auto. anyone know if there is a fix or a bios that will do it??

[wanky]

" Enhanced Intel SpeedStep technology allows the system to dynamically adjust processor voltage and core frequency, which can result in decreased average power consumption and decreased average heat production. "

http://www.intel.com/cd/channel/rese...eng/203838.htm

that 1.050v from cpu-z when speedstep is supposedly enabled is some sort of bug

if you check other progs like probe you will see vcore is at stock and hasnt dropped at all.

[chuckbam]

that 1.050v from cpu-z when speedstep is supposedly enabled is some sort of bug

if you check other progs like probe you will see vcore is at stock and hasnt dropped at all.

You are probably right that CPU-Z may be wrong. But, it is a dam good program. It has been updated many times a year for some time now. They need to make a Vista Gadget.

It also could be that the Prob is wrong. I know my temps drop considerably at the lower multiplier.

[accord99]

I have this board but have found speedstep and c1e will not drop the CPU voltage when you overclock , I got an E4400 with a high multi so i could overclock and run speedstep for the best of both worlds but as soon as i go over 280fsb with my e4400 speedstep/c1e will only drop the multi and not voltage which is pointless as all energy savings come from the voltage drop. yes vcore in bios is on auto. anyone know if there is a fix or a bios that will do it??

The only fix is to not overclock in the bios, but use a software tool instead:
http://www.silentpcreview.com/forums...&highlight=p5b

[thinkfar]

[CODE]PCI-E 1x Link Width issue :

Happens when OC-ed. After restart link width is automaticlly set to 1x instead of 16x, which causes significant performace downgrade. Reason unknown. Happens mostly with ATI GPU cards. Possibly a BIOS protection measure, preventing percieved possible damage to GPU or motherboard, or a BIOS problem with proper video card initaition.



Symptoms :

PCI-E Link Width switches from 16x to 1x after a restart.

Solution:
Set PCI-E: 110Mhz and fix Voltage of NB,SB,FSB at minimium. That's the solution.

[Celleri]

Any solution to the PCI-E mode problem, this is really getting me pissed off, it reverts to x1 from x16 no matter what I do.

Increased PCI-E to 110MHz. No problems anymore and I'm very pleased with my setup right now. Using P5B & ASUS EN8800GTS. No matter what voltages I set... they just don't matter. Approx. 20 reboots done and no more problems on sight. Hope you guys get yours working.

[kfc]

Hello,

I have a P5B DLX WIFI/AP motherboard and it has had issues powering up ever since a power outage. For months my system was acting fine with no major problems at all. But after throwing the breaker on a power strip and having 3 computers go down, the one computer, the P5B DLX WIFI/AP system has had issues turning on.

After the power problem I rebooted all machines and all but the P5B DLX WIFI/AP booted up. After spending 15min doing a visual inspection I did everything from...

1) resetting the CMOS via removing the battery and jumper switch.

2) swapping out the monitor

3) swapping out the video card with a known working video card

4) swapped out the PSU with a known good PSU

5) booted machine with minimal hardware

6) Plugged into a UPS as well as separate circuit.

After doing all of these steps my computer was still non responsive. At each power on attempt the fans would spin and the red ASUS logo light on my motherboard would turn blue (from red). Without looking at the monitor it would appear as if the computer was fully functioning.

After nothing but failed attempts, I then unplugged the computer and gave it a 2hr rest. I then plugged it back into the wall and it worked!

For the past three weeks my computer has been on 24/7. I haven’t even fully shut down my computer down in the past 3 weeks. But I have done warm restarts. During this time the computer has been fine.

Now I am back at having a computer that will not boot up! After turning it off for a few hours to minimize noise when watching TV, it won’t come back on!



I have pretty much so eliminated everything but the MOBO as a suspect. I could RMA the MOBO but that is the most difficult thing to replace in my cramped, neatly cable managed case.

I could check to see if my computer will post in the morning, but if this problem persists I really need to get to the bottom of it.

If anyone could give feedback on my situation I would be very much so appreciative.

Thanks!

[Angelico_Payne]

If you are sure PSU is not damaged (fails when more load is applied and more juice required) then its mobo, and RMA is inevitable.

[kfc]

If you are sure PSU is not damaged (fails when more load is applied and more juice required) then its mobo, and RMA is inevitable.

Yeah, once I get my comp up I can play games for hours and do all my normal activities. It's just starting up the computer that is the issue. If it works it works. If it doesn't it could be 12 hours before my computer will turn on.

[miesso]

i'm using bios 1215 but i've tried to get back to older bioses with no success...
i always get a msg telling me that the bios file is too old or not compatible (or something like that, i haven't memorized it ..sry)

any ideas?

thnx

[doakh]

i'm using bios 1215 but i've tried to get back to older bioses with no success...
i always get a msg telling me that the bios file is too old or not compatible

Check the Asus Support Forum. There was question about this recently. They say you can try an older version of the utility 'AFUDOS' to install a previous bios. I think you might need a floppy for this. I have bios 1212 installed.

HAPPY MOTORING

[chappjc]

Quite a ridiculous jump in reported CPU temperatures here: 50 to 62 C! The system/board temperatures are the same, as well as the cores of course. This is for my q6600 B3 @ 3004 (~334x9) with 1.280 Vcore idle (1.3250 bios setting) & 1.232 Vcore load. I suspected that the reported temps were too low because I have seen 25 C (77F) after cold boot when the ambient is about 77F (unlikely).... but this bios seems to over estimate to the extreme. Maybe the formula used by Asus accounts for Quads.

I was in the process of testing overclocks on version 1215 when I applied the update. Now all I know is that the Tcase estimate is basically worthless. All I can reasonably do is keep the Core 0-4 temperatures as determined from the DTS below the Tjunctionmax. The programmed Tjunction limit reads as 100 by Core Temp 0.95, but I think 80 is a safer limit. How to decide what a safe overclock comprises now that I can't trust the CPU temp in the slightest?

On top of these Tcase uncertainties, I have read that there is speculation as to the derivation of the DTS values... Do they indicate distance from 100 C as one would think or a more conservative (and potentially arbitrary) number applied by intel. I would hope that no disparity exists between the reported Tjunctionmax and the value used by the chip to generate the number reported by the DTS.

If only this chip didn't need so may volts to run stable at 3GHz -- it's perfectly stable at 2880 with 1.216Vcore (1.2625 bios setting) and much cooler. Any more volts and these new CPU temp estimates will shoot right past the spec'd thermal specification of 62.2 for this stepping.

[LaZeR]

Somebody had it aswell, that u can't boot @ 385-400, but u can @405?? Is this the "strap" thingy or somthing?
They say its also different whit what kinda ram u have lol...

[aledsav1]

Help just bought used p5b deluxe....havin trouble board powers up, after an initial powerup leads straight into a powerdown before a few seconds then board kicks into life...fans kick in etc though nothing seems to be going to monitor or keyboard or mouse as no lights come on on any of those items...also i was looking for the bios chip....where is it? can't see what i normally associate with bios chip being in a socket?

[Angelico_Payne]

Yes its a strap thingy , well i think ram is an influence depending what ratio you are using (1:1, or better 4:5), and maybe board can go higer but sometimes RAM cant. for instance u can go 500 with CPU and mobo, but have stability and non boot issues because the RAM cant go that high frequency.