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My 1996 computer with twin pentium pro processor had not been used for 10 years, and when I needed software from it, the battery in the Dallas chip was flat and the machine would not boot. When the new Dallas chip arrived, it plugged straight into the old board which then booted immediately. Without the chip, the entire motherboard/CPU combination would have been useless. The chip has now enabled me to recover essential long lost software.
Verified purchase: Yes | Condition: New
New production these are NOT. Arrived after nearly a month (posted from China, so that's not great surprise) and there is either no lithium battery inside, or it is as flat dead as the ones from 20 years ago. Less that 0.08 volts registered at the battery terminals with a Fluke meter, and CMOS battery fault errors when used in a Socket 7 motherboard. IF YOU ARE BUYING THIS PRODUCT TO REPLACE A DALLAS CMOS BATTERY/TIMING CRYSTAL UNIT FOR COMPUTERS WHICH REQUIRE THE DALLAS CMOS BATTERY, THESE ARE USELESS.
Verified purchase: Yes | Condition: New
It works well after replacing the old, exhausted IC of the same brand and markings, reviving my old computer.
Verified purchase: Yes | Condition: New
It worked like a charm when plugged into the motherboard!
Verified purchase: Yes | Condition: New
Excellent replacement to original product.
Verified purchase: Yes | Condition: New
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