Re: Another 486 build.... with EISA!
Posted on 2012-05-31, 12:21
The RTC chip is a Benchmarq bq3287mt, which is pin compatible with the Dallas chip and still holds a charge! Replacements are still made by TI. RTC batteries can last a long time in some cases. My circa 1987 Apple IIgs still holds a charge with its "5 year" lithium battery. The board was $50 after …