[Coco] MM/1 RTC RIP

Bruce W. Calkins brucewcalkins at charter.net
Thu Jan 24 19:35:55 EST 2008


I fixed one on a PC where I broke open the clock "chip" and broke the
battery lead and added a external battery holder and battery. And before I
got a Dremel I used Dremel bits in a 1/4" drill. It sounds like this guy
did much the same as I did.

Good luck,

Bruce W.




> hello, MM/1 users (sorry for the bandwidth usage, you coco chaps)

>

> I just found out that the RTC chip in my MM/1 has died. Actually, it's not

> the chip, since setting the time will work until the next power down, so

> it's the battery. The MM/1 uses a Dallas DS1287 integrated clock/battery,

> *and* it is soldered into the IO board. GROAN.

>

> What to do?

> I did some googling and came across this:

> http://www.mcamafia.de/mcapage0/dsrework.htm

>

> This will work, but I still need to desolder the clock chip, or at the

> very least do a *very* careful job of gringing the relavant parts. Sadly I

> don't own a dremel tool.

>

> Does anyone else have experience in this?

>

> --

> Regards, Bob Devries, Dalby, Queensland, Australia





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