leisuredoc
1st May 2004, 03:38
Hopefully someone can educate me on this problem!
I just bought an Asus CUBX motherboard with a PIII 700 CPU on eBay and it was guaranteed not dead on arrival. This replaced a defective PIII motherboard, but before realizing that, I bought a new power supply just in case it might have been bad. Since that failed to remedy the problem, I bought a used PIII which didn't do the trick, then a used Asus P2B m'board. I was so angry that nothing worked, I tossed the original power supply out. Lesson: buy only guaranteed not DOA from anyone on eBay.
Problem: the motherboard boots up OK, but I get an error on hardware, "Hardware Monitor," that measures among other things the CPU voltage, and the various onboard voltage regulators. Everything is normal except the -5 Volt onboard supply. It is reading about -6.14 Volts. It will go into Windows no problem if I bypass the error.
Now the funy thing is that the new power supply does not have a wire on the connector where the -5 Volts is supposed to come to the motherboard. It is P-4 compliant, but I assume it would work with a PIII. The previous supply had the -5 Volt supply lead.
So, my question is: will any plug-in really care if the -5 Volt supply is not right? Obviously the CPU doesn't care as I have had this computer on for 3 days, in BIOS, monitoring the CPU temperature and other things and so far so good. Other than the video card, which is also working just splendidly, I may add a NIC and perhaps a PCM adaptor so I can plug in my laptop's wireless NIC card. There's one more card: the main reason I need an older m'board is that I have an ISA bus National Instruments data acquisition board and it's been quite a few years since anyone included ISA on their motherboards (now all PCI bus).
I appreciate any wisdom you might have to share!
Thanks,
leisuredoc
:confused:
I just bought an Asus CUBX motherboard with a PIII 700 CPU on eBay and it was guaranteed not dead on arrival. This replaced a defective PIII motherboard, but before realizing that, I bought a new power supply just in case it might have been bad. Since that failed to remedy the problem, I bought a used PIII which didn't do the trick, then a used Asus P2B m'board. I was so angry that nothing worked, I tossed the original power supply out. Lesson: buy only guaranteed not DOA from anyone on eBay.
Problem: the motherboard boots up OK, but I get an error on hardware, "Hardware Monitor," that measures among other things the CPU voltage, and the various onboard voltage regulators. Everything is normal except the -5 Volt onboard supply. It is reading about -6.14 Volts. It will go into Windows no problem if I bypass the error.
Now the funy thing is that the new power supply does not have a wire on the connector where the -5 Volts is supposed to come to the motherboard. It is P-4 compliant, but I assume it would work with a PIII. The previous supply had the -5 Volt supply lead.
So, my question is: will any plug-in really care if the -5 Volt supply is not right? Obviously the CPU doesn't care as I have had this computer on for 3 days, in BIOS, monitoring the CPU temperature and other things and so far so good. Other than the video card, which is also working just splendidly, I may add a NIC and perhaps a PCM adaptor so I can plug in my laptop's wireless NIC card. There's one more card: the main reason I need an older m'board is that I have an ISA bus National Instruments data acquisition board and it's been quite a few years since anyone included ISA on their motherboards (now all PCI bus).
I appreciate any wisdom you might have to share!
Thanks,
leisuredoc
:confused: