Burned an AMD 850 and now won't get to BIOS

[brandvegn123]

I will first post the specs for this before going into anything more

AN35N Ultra board

Barton 2500+

Crucial 512MB DDR PC2100

Maxtor 80GB 7200RPM

Radeon 9200 128MB

300W power supply

Now I will get into the specifics:
I am in South Korea and decided to build a minor system while here. I had the parts delivered from the US. A friend upgraded and gave me his AMD Duron 850MB chip. I put it together and got a message to change settings in CMOS. I shut off the system, went to work and turned it on when I got home. I saw the same message and instead of going into the BIOS, I turned off the machine, went to the manual and checked the tested requirements for this board. External frequencies were tested to 100Mhz, but they did not test beyond a 1.2g duron chip. I turned on the machine again expecting to get into the Bios CMOS settings, but was soon greeted with a non-responsive machine. I took it to a local guy who spoke enough english to tell me he didn't deal with AMD and was more than happy to try to sell me a Pentium based product. To make a long laborious story much shorter, we checked under the fan and found a burnt chip, which did not surprise me at this time.
Move forward 1 month and relative taxes and custom forms later and the Barton chip is here. Both the Pentium guy and I have cleared CMOS by this time, I put the chip in and the same thing. Everything is connected. The HD is hitting, CD drives, etc. One problem that may be occurring is the power. S. Korea uses 220W and not 110W for their power here. Is this a matter to be dealt with? The screen does not reply, the HD, CD-RW and cd drive are hitting. Does anyone have any idea what i can do to fix this or have any trouble shooting tips after reading through this?

 

[DieHardware]

Originally posted by: brandvegn123
I will first post the specs for this before going into anything more

AN35N Ultra board

Barton 2500+

Crucial 512MB DDR PC2100

Maxtor 80GB 7200RPM

Radeon 9200 128MB

300W power supply

Now I will get into the specifics:
I am in South Korea and decided to build a minor system while here. I had the parts delivered from the US. A friend upgraded and gave me his AMD Duron 850MB chip. I put it together and got a message to change settings in CMOS. I shut off the system, went to work and turned it on when I got home. I saw the same message and instead of going into the BIOS, I turned off the machine, went to the manual and checked the tested requirements for this board. External frequencies were tested to 100Mhz, but they did not test beyond a 1.2g duron chip. I turned on the machine again expecting to get into the Bios CMOS settings, but was soon greeted with a non-responsive machine. I took it to a local guy who spoke enough english to tell me he didn't deal with AMD and was more than happy to try to sell me a Pentium based product. To make a long laborious story much shorter, we checked under the fan and found a burnt chip, which did not surprise me at this time.
Move forward 1 month and relative taxes and custom forms later and the Barton chip is here. Both the Pentium guy and I have cleared CMOS by this time, I put the chip in and the same thing. Everything is connected. The HD is hitting, CD drives, etc. One problem that may be occurring is the power. S. Korea uses 220W and not 110W for their power here. Is this a matter to be dealt with? The screen does not reply, the HD, CD-RW and cd drive are hitting. Does anyone have any idea what i can do to fix this or have any trouble shooting tips after reading through this?

Did you set the 115/230V switch on the back of the PSU so it shows 230V before you plugged it in and started it up? Was the PSU unplugged when you cleared CMOS? (Some MB's will only clear that way) As for the AN35N Ultra itself, have you checked Abit's site to see if it suports Bartons? Also make sure the HS is seated on the core, should look like this from the side;

_________---
_________---

 

[Heinrich]

I fried a MB a few years back when the RAM chip was not totally sitting inside the slot. Took out an Athlon 1900 with it. Replacing the Athlon, the board acted this way - it was an Epox something. Acted *exactly* as you are describing - fried chip, then wouldn't quite post but power flowed through but the peripherals did activate.

 

[Peter]

A melting CPU often drags the CPU voltage regulation on the mainboard to death too.

 

[brandvegn123]

I will try the CMOS reset with the power supply unplugged, but I am pretty sure I did this. What it is looking like is a new motherboard. There is no option to switch from 115/230, its at 230V steady. I will get home and do the CMOS one more time. If this doesn't work, I can begin the long process of RMA, etc. from Korea. If anyone else has anything to add, I will be more than happy to get responses. thanks Peter, Diehardware, and Heinrich