dewdman42
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RE: Gigabyte P35 motherboards and DPC
2008/04/21 16:09:08
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KWILD
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RE: Gigabyte P35 motherboards and DPC
2008/04/22 06:06:26
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I got the same DPC problems with my GA-P35-S3G. I've contacted the GIGABYTE support and after some days i got that scandalous reply : Dear Sir, After confirmed by our RD, DPC high latency was caused by ICH6390 Label Data update. ICH6390 Label data is used for initail seting while system boot up . This is INTEL specification Data and also certified by INTEL. We will not sure if caused any unpredicable issue if changed it. Thus, we are sorry we can't rework this BIOS. We are really sorry for the inconvenience you have with our product. If you still have any further question to this issue or suggestion about our products/service, please do not hesitate to contact with us. If you have any issue different from original, make sure you issue a new form in order to get proper assistance and it may be response faster as well. We will try our best to help you resolve the problem ASAP. Best Regards, GIGABYTE TECHNOLOGY That people are really crazy,they sold crap boards...i call that a fraud!!!!!! It's time to start an ANTI-GIGABYTE campaign all over the net,personally i've already blacklisted Gigabyte when i build DAW's for my clients and when i do counsels.
post edited by KWILD - 2008/04/22 06:07:31
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Dan DAmico
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RE: Gigabyte P35 motherboards and DPC
2008/04/22 09:17:51
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That is a pretty shocking reply from Gigabyte, but it goes against what the rest of us are getting from them. The beta BIOS they have asked us to test has reduced the DPC latency spikes for most testers, so they must have been able to change something to reduce it. Also, other manufacturers using the same chipset don't seem to have the problem. Before you give up completely, try contacting them here: Gigabyte Tech Support That's where I was able to get the beta BIOS for testing.
post edited by Dan DAmico - 2008/04/22 09:18:39
Q6600 Gigabyte GA-EP35-DS4 4GB DDR2-800 RAM Delta PCI Soundcards Windows XP Pro SP2
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Dan DAmico
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RE: Gigabyte P35 motherboards and DPC
2008/04/22 09:30:01
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If Gigabyte is saying the problem is caused by Intel spec of the southbridge, then maybe we should be contactng Intel to see if there is anything they can do to correct the problem.
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mr. moon
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RE: Gigabyte P35 motherboards and DPC
2008/04/22 09:38:17
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ORIGINAL: Dan DAmico
If Gigabyte is saying the problem is caused by Intel spec of the southbridge, then maybe we should be contactng Intel to see if there is anything they can do to correct the problem.
However, IMHO, if Gigabyte boards are the only ones that are experiencing this behavior, that would probably be pointless as Intel would just say that Gigabyte's implementation of the spec is what's causing the spikes, rather than the spec itself. If other boards start having his issue, *then* Intel might be who to contact about this issue. Just my 2 centavos worth... As an aside, I rolled out my ASUS P5K-SE MB into my primary DAW last night, and it's working flawlessly with the latest BIOS update (version 1008?). I may even just stick with this board depending on how my "new" MB works out (which is being RMA'd back to Newegg with a bad temp sensor). -mr moon
Intel Core 2 QUAD Q6600 4 GB 800MHz DDR2 RME FireFace 800 Windows 64 Pro "...Think outside the box as you mix within!" -mrmoon
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Lanceindastudio
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RE: Gigabyte P35 motherboards and DPC
2008/04/22 16:10:52
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Agree with that Mr. Moon. That is a simple use of variables there.
But, on another note, my board is awesome for overclocking, but since I changed my bios, I CANNOT hold an overclock. It doesnt register on bootup or in cpu-z. I turned off HEIST and I have triend the previous bios as well as others, the one they sent and othr betas, I think I tried 4 or 5 bios versions.
This sux! Why would my board not OC now? I mean, it doesnt hold the settings I make in the bios.
Thanx, Lance
Asus P8Z77-V LE PLUS Motherboard i7 3770k CPU 32 gigs RAM Presonus AudioBox iTwo Windows 10 64 bit, SONAR PLATINUM 64 bit Lots of plugins and softsynths and one shot samples, loops Gauge ECM-87, MCA SP-1, Alesis AM51 Presonus Eureka Mackie HR824's and matching subwoofer
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Dan DAmico
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RE: Gigabyte P35 motherboards and DPC
2008/04/22 16:26:57
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Does it default to stock settings? I've noticed the beta BIOS stays at whatever vcore I set it to when I flashed it. It doesn't respond to changes in vcore settings, but everything else seems OK. When I flashed it back to the last official BIOS, it was fine and I could change the vcore. I am corresponding with tech support, but having a hard time communicating with them. They keep implying that overclocking isn't guaranteed to work, but changing settings in the BIOS is such a basic thing I can't imagine they intend to not deal with it.
post edited by Dan DAmico - 2008/04/22 16:46:00
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Lanceindastudio
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RE: Gigabyte P35 motherboards and DPC
2008/04/22 16:38:31
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Yeah they will be difficult about overclocking stuff.
Any thing I set, it goes psots at stock setting on the cpu. The ram shows 534mhz in cpu-z but does keep 4-4-4-12 setting and the cpu ghz goes back to stock 1.86.
The v-core setting also shows correct, upped to 2.2 as per the ram recommendation.
Asus P8Z77-V LE PLUS Motherboard i7 3770k CPU 32 gigs RAM Presonus AudioBox iTwo Windows 10 64 bit, SONAR PLATINUM 64 bit Lots of plugins and softsynths and one shot samples, loops Gauge ECM-87, MCA SP-1, Alesis AM51 Presonus Eureka Mackie HR824's and matching subwoofer
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Dan DAmico
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RE: Gigabyte P35 motherboards and DPC
2008/04/22 18:15:40
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2.2v should be your DIMM voltage, the vcore is your CPU voltage. Are you able to adjust that?
Q6600 Gigabyte GA-EP35-DS4 4GB DDR2-800 RAM Delta PCI Soundcards Windows XP Pro SP2
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Lanceindastudio
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RE: Gigabyte P35 motherboards and DPC
2008/04/22 21:19:17
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I can adjust my cpu voltage, but 1.35 always worked I shouldnt need to, but I did try.
Also, even though I put my ram timing at 2.0, it still shows 534mhz and soesnt go to 858 post like before when booting up.
AlsomI tried using gigabyte tuning software to OC and it would not do it whenI pushed go. It always stays at stock settings for the cpu.
Asus P8Z77-V LE PLUS Motherboard i7 3770k CPU 32 gigs RAM Presonus AudioBox iTwo Windows 10 64 bit, SONAR PLATINUM 64 bit Lots of plugins and softsynths and one shot samples, loops Gauge ECM-87, MCA SP-1, Alesis AM51 Presonus Eureka Mackie HR824's and matching subwoofer
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Dan DAmico
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RE: Gigabyte P35 motherboards and DPC
2008/04/22 21:39:56
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So even if you adjust the clock speed in the BIOS it just stays at the stock speed, even if you flash to an official release BIOS?
Q6600 Gigabyte GA-EP35-DS4 4GB DDR2-800 RAM Delta PCI Soundcards Windows XP Pro SP2
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mr. moon
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 01:32:33
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ORIGINAL: sessionthree
GA-EP35-DS3P here... just tried the F4c bios and the DPC latency values certainly came down (now running ~10us or lower on average.) I wasn't having performance issues at all before, so I don't expect to see any improvement in performance.
Just a note... with the F4c bios, my system will not boot if the onboard LAN is disabled in the bios. You have to make sure it is enabled. I'm not sure if this will be true on other people's systems with DS3P and the F4c bios, but just thought I'd share that in case someone could not get the system to boot. (If you disable the LAN and it won't boot, you have to clear the bios by shorting the clear cmos jumper on the mobo.)
-Clayton
OK. I just got done with about an hour or two of testing the F4c BIOS rev. and had the exact same results you reported. Fot the time being, I'll use this as a secondary internot/DAW rig until they release a full version that works 100%. I may then roll it out as my main rig, but we'll just have to see. -mr moon
Intel Core 2 QUAD Q6600 4 GB 800MHz DDR2 RME FireFace 800 Windows 64 Pro "...Think outside the box as you mix within!" -mrmoon
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Lanceindastudio
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 02:44:14
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Well, I did some research and found some info on the net!
I guess my particular model has some interesting situations happen.
After flashing bios, I couldnt get the overclock to hold. Even though the settings said OC to 3.0 it would not show up in cpu-z and EasyTunePro5. Also, I could not OC in easytunepro5.
Well, people say if you take the battery out of the board for about 30 minutes, it will completely drain and reset the board. I did it and it worked. My OC settings hold perfect again!
Not only that, but I decided to push it a little further since I have been at 3.0 ghz for 2 or 3 months.
I got it to 3.2ghz and the cpu core temps are 39-42, which is completely safe! This is on a stock sink/fan.
I will run prime tonight and see how it goes. Looking good though! Still god the dpc latency spikes up to around 5000 every 4-7 bars though, but mine is not nearly as bad as other boards. Really it is always in the green, so I guess I cant complain.
Cheers, Lance
Asus P8Z77-V LE PLUS Motherboard i7 3770k CPU 32 gigs RAM Presonus AudioBox iTwo Windows 10 64 bit, SONAR PLATINUM 64 bit Lots of plugins and softsynths and one shot samples, loops Gauge ECM-87, MCA SP-1, Alesis AM51 Presonus Eureka Mackie HR824's and matching subwoofer
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mr. moon
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 08:49:25
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I had the system running prime 95 across all 4 cores since last night, and all is well.
I also wanted to report that my system still overclocks without any problems, however, I'm only making a FSB adjustment; no voltage changes or anything else.
I ran the DPC checker while I had an audio project running, and it ran well in the green the entire time.
-mr moon
Intel Core 2 QUAD Q6600 4 GB 800MHz DDR2 RME FireFace 800 Windows 64 Pro "...Think outside the box as you mix within!" -mrmoon
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losguy
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 11:18:31
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ORIGINAL: mr. moon
I also wanted to report that my system still overclocks without any problems, however, I'm only making a FSB adjustment; no voltage changes or anything else.
Does that work for you any differently and/or better than changing the CPU clock multiplier? (Just curious)
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mr. moon
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 11:51:38
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ORIGINAL: losguy
ORIGINAL: mr. moon
I also wanted to report that my system still overclocks without any problems, however, I'm only making a FSB adjustment; no voltage changes or anything else.
Does that work for you any differently and/or better than changing the CPU clock multiplier? (Just curious)
I just jack the FSB up to 333 MHz, which pushes the proc up to 3 GHz and sets the memory at ~800MHz, which is what it's rated for. A number of folks at various forums and other sites report that this is a very easy, effective, and stable way to OC the q6600. I would have to agree that it is *very* easy, *very* stable, and *very* effective on all my q6600 rigs (I have three of them). I'm sure that there are better ways to OC, but I'm not trying to eek out every last drop of performance out of these rigs, just trying to get them up to 3GHz for a bit of a bump.  -mr moon
Intel Core 2 QUAD Q6600 4 GB 800MHz DDR2 RME FireFace 800 Windows 64 Pro "...Think outside the box as you mix within!" -mrmoon
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Dan DAmico
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 12:00:08
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Is there a different way to overclock if your multiplier is locked? If the max multiplier on a Q6600 is 9 then you would have to raise the clock speed to overclock. Is there another way I don't know about? If so, please enlighten me, I'd like to try it.
Q6600 Gigabyte GA-EP35-DS4 4GB DDR2-800 RAM Delta PCI Soundcards Windows XP Pro SP2
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bapu
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 12:03:45
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Dan, Did you try what Lance did? Well, people say if you take the battery out of the board for about 30 minutes, it will completely drain and reset the board. I did it and it worked. My OC settings hold perfect again! I have not done this as I still do not overclock and therefore do not have the need for overclocking BIOS changes to "stick".
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mr. moon
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 12:37:27
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ORIGINAL: Dan DAmico
Is there a different way to overclock if your multiplier is locked? If the max multiplier on a Q6600 is 9 then you would have to raise the clock speed to overclock. Is there another way I don't know about? If so, please enlighten me, I'd like to try it.
Just set your FSB to 333MHz? I don't touch any multipliers at all, I just raise the FSB to 333MHz and that sets the CPU to 3.01 GHz and the memory to ~800MHz. -mr moon
Intel Core 2 QUAD Q6600 4 GB 800MHz DDR2 RME FireFace 800 Windows 64 Pro "...Think outside the box as you mix within!" -mrmoon
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losguy
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 12:51:29
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ORIGINAL: mr. moon
I just jack the FSB up to 333 MHz, which pushes the proc up to 3 GHz and sets the memory at ~800MHz, which is what it's rated for. A number of folks at various forums and other sites report that this is a very easy, effective, and stable way to OC the q6600. I would have to agree that it is *very* easy, *very* stable, and *very* effective on all my q6600 rigs (I have three of them).
I'm sure that there are better ways to OC, but I'm not trying to eek out every last drop of performance out of these rigs, just trying to get them up to 3GHz for a bit of a bump.
OK, thanks, like I said, I was just curious. Some BIOSes let you adjust the CPU and memory clocks/multipliers separately, but yes, you can certainly also bump the FSB if it gets you the right clocks to make all the components happy in the end. 
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Desperate Dan
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 12:58:37
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just jack the FSB up to 333 MHz, which pushes the proc up to 3 GHz and sets the memory at ~800MHz, which is what it's rated for. A number of folks at various forums and other sites report that this is a very easy, effective, and stable way to OC the q6600. I would have to agree that it is *very* easy, *very* stable, and *very* effective on all my q6600 rigs (I have three of them).
I'm sure that there are better ways to OC, but I'm not trying to eek out every last drop of performance out of these rigs, just trying to get them up to 3GHz for a bit of a bump. Set your Multiplier to 8 and the frequency to 400mhz and a RAM Multiplier of 2 will give you 8x400=3.2Ghz and RAM 2 x 400= 800. Increase CPU Voltage to 1.375. Got mine to 3.2 safely on almost stock cooling. Dear Sir,
After confirmed by our RD, DPC high latency was caused by ICH6390 Label Data update. ICH6390 Label data is used for initail seting while system boot up . This is INTEL specification Data and also certified by INTEL. We will not sure if caused any unpredicable issue if changed it. Thus, we are sorry we can't rework this BIOS. We are really sorry for the inconvenience you have with our product.
If you still have any further question to this issue or suggestion about our products/service, please do not hesitate to contact with us. If you have any issue different from original, make sure you issue a new form in order to get proper assistance and it may be response faster as well. We will try our best to help you resolve the problem ASAP.
Best Regards,
GIGABYTE TECHNOLOGY
That people are really crazy,they sold crap boards...i call that a fraud!!!!!! I think you got the wrong tech guy on a bad hair day. My response although not tried yet is at least Promising. I reported my DPC Latency on the Gigabyte Link you guys suggested and I went to check there now and got the following reply from Gigabyte Dear Sir,
Thank you for your kindly mail and inquiry. About the issue you mentioned, attached is the latest version BIOS for the motherboard. You should be able to update it and try again later. After bios updating, please do not forget to load BIOS fail-safe default setting and please also do not try to overclock your system at this moment.
For more information about BIOS upgrading, please kindly refer to motherboard user manual or you may visit our website: http://www.gigabyte.com.tw/Support/Motherboard/HowToReflashBIOS.aspx
Unfortunately, if the problem still remains, we suggest you contact your retailer/supplier, or, contact with local distributor for checking and repairing. For their information, please kindly visit our website by following link: http://www.gigabyte.com.tw/WhereToBuy/Default.aspx
At last, if you still have any further question or suggestion about our products/service, please do not hesitate to contact with us directly. We will try our best to help you resolve the problem ASAP.
******** Thank you for supporting Gigabyte products ***********
Attachment : ep35-ds3r_f3e.exe ( 787 KB ) :
Windows 7 Professional 64 bit - Intel Q-9550 2.83 CPU, 8Gb DDR800, Gigabyte EP35-DS3R, M-Audio Delta 44, Yamaha HS-80M Monitors, UAD-1 Ultra Pack I'm reading a book about anti-gravity at the moment and I just can't put it down
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mr. moon
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 13:13:47
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ORIGINAL: Desperate Dan
Set your Multiplier to 8 and the frequency to 400mhz and a RAM Multiplier of 2 will give you 8x400=3.2Ghz and RAM 2 x 400= 800.
Increase CPU Voltage to 1.375. Got mine to 3.2 safely on almost stock cooling.
Hmmmm.... I may have to try that at some point. Thanks! -mr moon
Intel Core 2 QUAD Q6600 4 GB 800MHz DDR2 RME FireFace 800 Windows 64 Pro "...Think outside the box as you mix within!" -mrmoon
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Dan DAmico
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 13:18:11
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ORIGINAL: Desperate Dan
Set your Multiplier to 8 and the frequency to 400mhz and a RAM Multiplier of 2 will give you 8x400=3.2Ghz and RAM 2 x 400= 800.
Increase CPU Voltage to 1.375. Got mine to 3.2 safely on almost stock cooling.
That's what I've got mine set at right now, with a vcore of 1.3v and it's stable. I just installed a Xigmatek 1283 cooler, which is working fantastically. My temps are about 20c cooler than they were with the stock cooler at 100% load in Prime 95. I used Tuniq TX-2 thermal paste and a Thermalright bolt through kit to mount it. It's a great deal right now through newegg.
post edited by Dan DAmico - 2008/04/23 13:19:00
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Dan DAmico
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 13:24:35
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In reference to these responses we're getting from Gigabyte, what do you guys think they will do? I'm hoping they will eventually release an official BIOS that fixes the DPC spiking and the minor problems related to voltage settings. I just talked with newegg and they said I could still return my Gigabyte board and keep the Asus, but I have to do it today. Should I trust that Gigabyte will eventually work all this out, or dump it and take my chances with Asus? I have to say that I like the Gigabyte board better than the Asus P5K Pro. It just seems to be made better, and has better heatsinks, and a TI firewire chip.
Q6600 Gigabyte GA-EP35-DS4 4GB DDR2-800 RAM Delta PCI Soundcards Windows XP Pro SP2
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Desperate Dan
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 13:29:56
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For those Guys that have put in incorrect BIOS values and cant access their PCs, simply take the Battery out, put it in the wrong way round for 5 Seconds to discharge the capacitor and put it back in the right way up. Trick showed to me by the Local Gigabyte reps works a treat.
Windows 7 Professional 64 bit - Intel Q-9550 2.83 CPU, 8Gb DDR800, Gigabyte EP35-DS3R, M-Audio Delta 44, Yamaha HS-80M Monitors, UAD-1 Ultra Pack I'm reading a book about anti-gravity at the moment and I just can't put it down
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Desperate Dan
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 13:35:24
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My temps are about 20c cooler than they were with the stock cooler at 100% load in Prime 95. I Have found that TAT (thermal Analysis tool) From Intel stresses the CPU more than Prime 95 does and 100% CPU on prime doesn't give the Same Temperature that TAT generates. Also it's made by Intel so it should be accurate, also you can have the stress levels set to 50% for 20 seconds then 60 etc etc to stop borderline overheating before it get's to CPU shutoff temperature. I mistakenly set my 2.4 CPU to 3.6 and it just ran a little bit hot but I could see it approaching the 63 Degree limit and went back and checked my settings and found incorrect Multiplier values. Right I am going to switch off now and see if Gigabyte have performed any magic on my DS3R board. Back in a flash Ha Ha
Windows 7 Professional 64 bit - Intel Q-9550 2.83 CPU, 8Gb DDR800, Gigabyte EP35-DS3R, M-Audio Delta 44, Yamaha HS-80M Monitors, UAD-1 Ultra Pack I'm reading a book about anti-gravity at the moment and I just can't put it down
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mr. moon
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 13:35:48
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ORIGINAL: Dan DAmico
Should I trust that Gigabyte will eventually work all this out, or dump it and take my chances with Asus? I have to say that I like the Gigabyte board better than the Asus P5K Pro. It just seems to be made better, and has better heatsinks, and a TI firewire chip.
IMHO, even if you like the Gigabyte board better, what good is it to you with a P.O.S. (non-functional) BIOS? If you have the money to spend or your out of time to return it (as I am, missed out by 2 weeks), you could hold onto it. Otherwise, get something that will work for you well enough to make music NOW!!  -mr moon
Intel Core 2 QUAD Q6600 4 GB 800MHz DDR2 RME FireFace 800 Windows 64 Pro "...Think outside the box as you mix within!" -mrmoon
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dewdman42
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 13:47:54
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Regarding overclocking, I experimented with all kinds of different combinations of FSB speed, CPU multiplier, Ram divider, etc.. and benchmarked each setup. I was skeptical at first but it appears that definitely you want to try to keep the ram divider set to 1:1 if you can. This mobo has a lot of flexibility. I can't remember right now which setup I finally ended up with. I have some ram that is capable of overclocking, so I think I pushed the ram speed up to 900mhz by increasing the FSB. Then use the cpu multiplier to get the CPU speed where you want. But try to keep the ram divider at 1:1 if you can. I was skeptical that it would make such a difference, but it really does. All the combinations with ram divider other than 1:1 underperformed other close configurations with the 1:1. Dan, if I were you in your shoes, I don't know what to tell you. I am holding out for the Gigabyte because of the LPT. If you really think you need the T1 firewire, then it might be worth waiting, but otherwise I would probably switch to the Asus. As far as the build quality, etc... eh.....(shrug)...the asus is fine too.... I am still not 100% confident that Gigabyte will release production BIOS to fix this DPC latency. Hopefully so, but in your shoes... Or.... you can take a chance, send back the asus....and then if it never gets fixed you will have to sell the Gigabyte to get something else. You'll lose $50 that way, but might be worth it to take the risk on the Gigabyte board if you are so inclined. Its too late for me to return my Gigabyte mobo, so basically the only option I have is to sell it. So I am going to try out the Beta Bios and wait to see what happens. Also, I need the LPT and the Asus doesn't have that option.
post edited by dewdman42 - 2008/04/23 13:54:28
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bapu
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 13:58:25
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ORIGINAL: Dan DAmico
In reference to these responses we're getting from Gigabyte, what do you guys think they will do? I'm hoping they will eventually release an official BIOS that fixes the DPC spiking and the minor problems related to voltage settings. I just talked with newegg and they said I could still return my Gigabyte board and keep the Asus, but I have to do it today. Should I trust that Gigabyte will eventually work all this out, or dump it and take my chances with Asus? I have to say that I like the Gigabyte board better than the Asus P5K Pro. It just seems to be made better, and has better heatsinks, and a TI firewire chip.
Since they were pretty responsive getting Beta verisons out to various models I'm going to believe they will have a final version sometime soon. That alone is reason enough for me to not switch to another mobo. However, you overclockers should, IMHO, keep impressing on them the things that don't seem to work (they are beta drivers after all, even they admit it). My $0.02 (adjusted for inflation and recession: probably not worth much then)
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Dan DAmico
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RE: Gigabyte P35 motherboards and DPC
2008/04/23 14:08:45
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This is the response I got from Gigabyte this morning, after some exchange with them about my results testing the beta BIOS. "We will pass this over to our team, when the bios is finalize it will be posted on our website" I have to think they are taking this seriously if they even bothered to put the beta BIOS together. I do think that in the beginning, they were inclined to ingore it, because if you do a web search you find examples from earlier in the year where people were getting a standard response which basically said they were following Intel spec and weren't planning to change anything. But it appears that with enough of us asking for a fix they decided to work on it, so I do believe there is strength in numbers on an issue such as this.
post edited by Dan DAmico - 2008/04/23 14:13:08
Q6600 Gigabyte GA-EP35-DS4 4GB DDR2-800 RAM Delta PCI Soundcards Windows XP Pro SP2
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