Question about IBM ThinkPad T20 2647 Notebook
I've wrestled with many crc1 and crc2 problems on IBM machines here at my shop. This is a malfunctioning bios chip on the motherboard. There is no simple clearing procedure for this problem. The chip or the motherboard has to be replaced. I've had about a 25% success rate in replacing the chip, and 100% success by replacing the motherboard. Chip replacement is a delicate procedure in which you have to completely disassemble the machine remove he old chip with a soldiering iron and resoldier the new chip to the board. Soldiering on the motherboard is something I wouldn't recommend without experience. I would recommend replacing the motherboard, It's much easier, and possibly cheaper, since replacing the chip may or may not work. If you replace the chip and it doesn't work, then you're out the money for the chip, and you have to replace the motherboard anyway. The price for the chip is about a third the cost of a new motherboard. You can get a decent price for a good used motherboard for the T20 series from Ebay.
Posted on Jul 23, 2008
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