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CMOS Checksum error (Biostar motherboard)
Hi all,
Building a computer and using a new Biostar M7SUA (M7VKQ Pro) motherboard. I get the following error on every bootup (right out of the box): "CMOS Checksum error - Defaults loaded. Warning, your CPU has been changed. Please setup CPU HOST clock in Chipset features setup." 10 seconds after entering CMOS setup, all the words and numbers on the screen become jumbled and my system locks up. What's more, if I reboot I get the same error message above and I can't get back into the CMOS without cracking the case and clearing the CMOS using the jumper. Award (BIOS manufacturer) says the above error could be due to a faulty battery or corrupt CMOS chip--I'm thinking the latter. I'm waiting to hear back from Biostar, but in the meantime, has anyone else seen this issue? Or does anyone have any ideas? TIA, ~Bill |
#2
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pull the battery pull the plug short the cmos jumper....2minutes return battery plug in boot...cross fingers
hth "billmurray22" wrote in message om... Hi all, Building a computer and using a new Biostar M7SUA (M7VKQ Pro) motherboard. I get the following error on every bootup (right out of the box): "CMOS Checksum error - Defaults loaded. Warning, your CPU has been changed. Please setup CPU HOST clock in Chipset features setup." 10 seconds after entering CMOS setup, all the words and numbers on the screen become jumbled and my system locks up. What's more, if I reboot I get the same error message above and I can't get back into the CMOS without cracking the case and clearing the CMOS using the jumper. Award (BIOS manufacturer) says the above error could be due to a faulty battery or corrupt CMOS chip--I'm thinking the latter. I'm waiting to hear back from Biostar, but in the meantime, has anyone else seen this issue? Or does anyone have any ideas? TIA, ~Bill |
#3
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"billmurray22" wrote in message om... Hi all, Building a computer and using a new Biostar M7SUA (M7VKQ Pro) motherboard. I get the following error on every bootup (right out of the box): "CMOS Checksum error - Defaults loaded. Warning, your CPU has been changed. Please setup CPU HOST clock in Chipset features setup." 10 seconds after entering CMOS setup, all the words and numbers on the screen become jumbled and my system locks up. What's more, if I reboot I get the same error message above and I can't get back into the CMOS without cracking the case and clearing the CMOS using the jumper. Award (BIOS manufacturer) says the above error could be due to a faulty battery or corrupt CMOS chip--I'm thinking the latter. I'm waiting to hear back from Biostar, but in the meantime, has anyone else seen this issue? Or does anyone have any ideas? TIA, ~Bill I had the same thing happen to me. All I was doing was replacing a cpu with the original that ran in the mobo for a year. Tried a new battery, didn't help. I think the error can occur when there's something hosed between the cpu and ram. Anyway, I would get all kinds of different boots, different cpu speed shown, sometimes I could get in the BIOS, other times not. All I did was remove the heatsink, recheck everything and reinstall the CPU and it all went away and ran fine after that. I guess it just didn't like the way it was sitting in the socket. Weird...HTH. |
#4
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"LeeB18509" wrote in message .. .
"billmurray22" wrote in message om... Hi all, Building a computer and using a new Biostar M7SUA (M7VKQ Pro) motherboard. I get the following error on every bootup (right out of the box): "CMOS Checksum error - Defaults loaded. Warning, your CPU has been changed. Please setup CPU HOST clock in Chipset features setup." 10 seconds after entering CMOS setup, all the words and numbers on the screen become jumbled and my system locks up. What's more, if I reboot I get the same error message above and I can't get back into the CMOS without cracking the case and clearing the CMOS using the jumper. Award (BIOS manufacturer) says the above error could be due to a faulty battery or corrupt CMOS chip--I'm thinking the latter. I'm waiting to hear back from Biostar, but in the meantime, has anyone else seen this issue? Or does anyone have any ideas? TIA, ~Bill I had the same thing happen to me. All I was doing was replacing a cpu with the original that ran in the mobo for a year. Tried a new battery, didn't help. I think the error can occur when there's something hosed between the cpu and ram. Anyway, I would get all kinds of different boots, different cpu speed shown, sometimes I could get in the BIOS, other times not. All I did was remove the heatsink, recheck everything and reinstall the CPU and it all went away and ran fine after that. I guess it just didn't like the way it was sitting in the socket. Weird...HTH. Thanks for the replies, I will try those suggestions--for some reason removing the heatsink and reseating the CPU sounds very promising. Any other ideas from anyone else? |
#5
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CHECK the CMOS settings for your MEMORY's speed! I have a M7VIZ and an
running the 1800+ (a 266 CPU) with DDR333 memory. The "optimal" CMOS setting sets up 333 but the CMOS gets funky and booting is unreliable. Once I set the DRAM to 133 it's running STABLE!!! Andrew "billmurray22" wrote in message om... Hi all, Building a computer and using a new Biostar M7SUA (M7VKQ Pro) motherboard. I get the following error on every bootup (right out of the box): "CMOS Checksum error - Defaults loaded. Warning, your CPU has been changed. Please setup CPU HOST clock in Chipset features setup." 10 seconds after entering CMOS setup, all the words and numbers on the screen become jumbled and my system locks up. What's more, if I reboot I get the same error message above and I can't get back into the CMOS without cracking the case and clearing the CMOS using the jumper. Award (BIOS manufacturer) says the above error could be due to a faulty battery or corrupt CMOS chip--I'm thinking the latter. I'm waiting to hear back from Biostar, but in the meantime, has anyone else seen this issue? Or does anyone have any ideas? TIA, ~Bill |
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