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Thank you Duke

Newbie question. Just want to verify the BIOS chip on mac boards is the same as the "EFI BIOS" chip??

Can I just purchase a preprogrammed chip on Ebay??

I purchased a TL866A, however can I also purchase a preprogrammed chip too?

Just wondering if someone could possibly post detailed instructions/parts needed to reprogram 820-3662 BIOS??

When I see the Apple logo then I see lines. There are also lines around mouse pointer too.

Thank you!

2009 iMac no prior damage, loading bar fills half way, then horizontal line flashes on top of screen and then reboots. Only boots in safe mode, so we think it is the video card?? Anyone have any other ideas??

I do not have a BIOS programmer, I remember you doing it with one of my boards in class. Can you tell me where to buy and how to use??

Could you please tell me how to get orignal dump?

I am just being lazy, but does anyone have a list of all the mac logic board numbers, with the year model and ASD number that goes with them??

The company called me wanting to sell me a machine for $15.000.00. LOL hahahahaha,

I have same setup as wrbailey!

The customer is original owner of computer.

I don't think so, the computer has all of the original parts. After opening there is a little liquid damage near the right fan/speaker but I see no corrosion. The hard drive boots no problem from another unit. Is there any sensor that would cause this?

Also, the computer chimes and boots and then slowly the loading bar fills up but it does not load.

The customer is original owner of computer.

I don't think so, the computer has all of the original parts. After opening there is a little liquid damage near the right fan/speaker but I see no corrosion. The hard drive boots no problem from another unit. Is there any sensor that would cause this??

wow you recommended the Fr-810??!!! I like it.

I have a 820-3662 that will not boot, just Apple logo and loading bar hangs. Ran ASD because customer says never water damaged or dropped. Chipset(test 1) Management Engine Test is failing?? Can anyone tell me what this means?? It is saying verifies presence of Management Engine is failing????