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P4P800-E Deluxe - saga continues - this time no video post on power-up + different BIOS full screen logos...
After all this could be a too small a power supply issue.
I've got rid of random Windows XPSP2 lock-ups by separating USB iFeel mouse from Logitech wireless mouse/keyboard combo. However, I've noticed yesterday that after shutting down the system, power up would not post video. The system came on (fans, hdds and all the rest) but no video post happened. I've had to pull the plug on power supply, plug it back it and presto system is booting. I've reseated all the components and power plugs. Running ASUS probe temperatures, voltages and fans' rpm are all within reasonable limits. I've used one of these on-line PSU calculators and turns out that I need a minimum of 370W power supply; so after all this could be my PSU under powering the system. Or is it something else according to you? Regarding BIOS full screen logo for my motherboard. Why is it showing two different P4 logos every time I boot. One with HT (for HyperThreading) and one without it. I haven't changed anything in the BIOS - HyperThreading is always enabled; yet I've noticed that P4 logos (with and without HT) appear in random manner. One more question: Was anyone successfuly with ASUS EZFlash (Alt+F2 while booting) and CD-ROM with BIOS file on it. I've burned DOS compatible ISO image onto CD-RW with Nero - with only one file in the compilation - P4PE800-E.ROM but I get: "P4P800-E.ROM" File cannot be found! message when I try to use EZFlash. My LS-120 floppy is not recognized by EZFlash at all. /Technik Case: ASUS TA-231 PSU: Enermax Whisper 350W M/B: ASUS P4P800-E Deluxe H/W rev.1.02 - latest .inf Intel chipset drivers installed; latest Marvel Yukon onboard LAN drivers installed CPU: Intel (Prescott) 3.0GHz (1MB cache) 800MHz FSB RAM: 2x Apacer 512MB CL 2.5 (not!!!) PC-3200 HDD: WDC 160GB PATA, WDC 160GB SATAII (main Operating System disk), 2xMaxtor 80GB SATA as RAID 0 FDD: Mitsubisihi LS-120 EIDE floppy Sound: Creative SB Live! 5.1 24-bit Video: BFG 6600GT 128MB (nVidia) latest WHQL certified drivers from nVidia's web site v77.77 |
#2
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In article , Technik
wrote: After all this could be a too small a power supply issue. I've got rid of random Windows XPSP2 lock-ups by separating USB iFeel mouse from Logitech wireless mouse/keyboard combo. However, I've noticed yesterday that after shutting down the system, power up would not post video. The system came on (fans, hdds and all the rest) but no video post happened. I've had to pull the plug on power supply, plug it back it and presto system is booting. I've reseated all the components and power plugs. Running ASUS probe temperatures, voltages and fans' rpm are all within reasonable limits. I've used one of these on-line PSU calculators and turns out that I need a minimum of 370W power supply; so after all this could be my PSU under powering the system. Or is it something else according to you? Regarding BIOS full screen logo for my motherboard. Why is it showing two different P4 logos every time I boot. One with HT (for HyperThreading) and one without it. I haven't changed anything in the BIOS - HyperThreading is always enabled; yet I've noticed that P4 logos (with and without HT) appear in random manner. One more question: Was anyone successfuly with ASUS EZFlash (Alt+F2 while booting) and CD-ROM with BIOS file on it. I've burned DOS compatible ISO image onto CD-RW with Nero - with only one file in the compilation - P4PE800-E.ROM but I get: "P4P800-E.ROM" File cannot be found! message when I try to use EZFlash. My LS-120 floppy is not recognized by EZFlash at all. /Technik Case: ASUS TA-231 PSU: Enermax Whisper 350W M/B: ASUS P4P800-E Deluxe H/W rev.1.02 - latest .inf Intel chipset drivers installed; latest Marvel Yukon onboard LAN drivers installed CPU: Intel (Prescott) 3.0GHz (1MB cache) 800MHz FSB RAM: 2x Apacer 512MB CL 2.5 (not!!!) PC-3200 HDD: WDC 160GB PATA, WDC 160GB SATAII (main Operating System disk), 2xMaxtor 80GB SATA as RAID 0 FDD: Mitsubisihi LS-120 EIDE floppy Sound: Creative SB Live! 5.1 24-bit Video: BFG 6600GT 128MB (nVidia) latest WHQL certified drivers from nVidia's web site v77.77 If you are still having stability problems, I think you have a Marvell 88E8001 Ethernet chip. This chip is used on several Asus motherboards. Apparently, the V8.25.2.3 driver has a problem, and if you've been upgrading drivers lately, you could very well be using that driver. This thread, on the Asus forum, recommends rolling back to a previous version of driver. http://vip.asus.com/forum/bbs_view.a..._cnt=5&recc=45 ****** In terms of power, most all of the web sites that I've looked at, that calculate power, are pessimistic. They tell you that you need a monster power supply, when that simply isn't true. There are several key power states for a system: 1) Startup in the BIOS. Video card draws "idle power". I've checked my processor, and it drew about 1/2 power (which surprised me). Disk drives have hefty power consumption during the spinup interval. The general design intent on disks, is to not exceed 2 amps on the disk drive +12V feed - the motor is supposed to be current limited, and can only accelerate to the limits that 2 amps provide. (I have seen a disk datasheet with current consumption higher than 2 amps, and I don't understand whether they have given up on that ancient requirement of a 2 amp ceiling or not.) So, a disk draws 2 x 12 + 1 x 5 or about 29W at spinup. Since the processor is running at half power, if you only have a couple disks, the startup current is not higher than any other power state. If, on the other hand, you have eight disk drives, then yes, you need to do a calculation of your startup condition, then pick a supply with a peak rating high enough to handle that (short term) requirement. In fact, this is why some power supplies have a "peak" output rating - it helps with calculations of the requirements at startup. 2) Desktop idle. This is not important, except to see if you are meeting the minimum power consumption specs for the supply. If you select a power supply which is "way to big" for a system, there is a (slight) danger you won't draw enough current. Nothing bad should happen, but the power supply may not meet its 5% accuracy on regulation if you mess this up. I wouldn't lose any sleep over this calculation... 3) Desktop 100%. There are two possible test cases. One is 100% CPU with little video card activity. The other is the "gaming condition", where the CPU may not be exactly at 100%, as it is waiting on the video card to complete an operation of some kind. It turns out, that to some extent, the total system power is about the same for these two conditions (at least with a single video card - SLI is likely different). If you are paranoid, what you can do is combine the worst theoretical CPU power calculation, with the power consumption of the video card when it is gaming or running 3DMark. During desktop 100% condition, the disks are virtually idle. If anything, you might consider one disk is busy, and you could look up the "write power" for one of your disks, and include that in a power calculation. If the computer futzes with the disks enough, it cannot be running close enough to 100%, to max the power consumption. If you are burning a DVD, it is possible the DVD might draw close to the "boiler plate" power spec of and , but somehow I doubt it. At any rate, the disk feeding the DVD burner, is virtually idle while the burn happens. No web site calculator takes all of this into account. They take max CPU based on TDP. They miscount DIMMs as all having the same power consumption, which they do not (the second DIMM on a RAM channel draws less power than the first). If you look at a DIMM datasheet, using an industry standard cycle mix for the DIMM, the power is about 5W for a DDR DIMM. Some sites use 10W or 20W for a DIMM. Miscounting, and blindly maxing all factors at the same time, is simply incorrect, and is how a 350W system ends up needing a 500W power supply. As some of these web sites sell power supplies, they are not exactly unbiased in this matter. Getting good numbers for video cards is difficult. Xbitlabs did several articles where they did power measurements on video cards. Takaman web site uses power numbers they got from an independent consultant (although those video cards listed are older cards, and people are not likely to be using those cards in new systems). ****** Having said all that, power supplies can become weak before they die. If a system won't POST, you'd have to check the outputs with a multimeter, to see if any of the outputs were low or not. That is not very easy to do if the system is installed in its computer case. If you have more than one computer (like my small collection), it is a good idea to have a spare supply handy anyway, just for occasions like this. Your spare might end up being larger than a calculation would show, so it can function as a spare for any of your computers. If you are short of cash, life is tough. Sure, you can find a power supply for $17, but what problem will it solve ? I would start at least at the $50 level, and spend somewhere between $50-$100 to get some kind of brand name supply. This article says it better than I can. http://www.xtremesystems.org/forums/...ad.php?t=56231 ****** In terms of your flashing question, read your user manual like you were a lawyer. The section on EZflash does not mention reading from CDROM, only from floppy. The section on "CrashFree BIOS 2" mentions both floppy and CDROM. The section on using AFUDOS with a DOS boot floppy, leaves the file system capabilities to your imagination - maybe you can use your C: drive under DOS ? In any case, based on the description in the manual, I don't think EZflash is checking the CDROM. Maybe you can find a recipe to make a bootable DOS CD, then use AFUDOS: http://groups.google.ca/groups?q=bootable+DOS+CDROM HTH, Paul |
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Paul,
Thanks for the advise regarding Marvel latest drivers; I just rolled them back to v7.21.1.3 (ASUS Support CD-ROM). I will let you know in a week or more if this helped. I don't want to jump to conclusions any more. I've had multimeter hooked on to the power supply for quite a few hours. Turns out that my Enermax Whisper (350W) provides a stable output ( +12 == 12.18 Volts, +5 == 5.08 Volts). So I will stick to it and in them mean time I've installed Ubuntu 5.04 Linux to see if that works for me. I will work in Linux half the time and in Windows the other half + I will leave the machine on overnight running Windows. It froze day before yesterday in the middle of the night but this was still with the new (problematic) Yukon driver. Thanks for all good advice again! |
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