Depending on the type of Dallas chip you can add an external battery to them. There are instructions on how to do it on the internet. I ran across them when looking for a way to fix a problem I was having with the bios on a Sun server. A little search on Google might bring you some instructions.
Vern KI4ONW On Sun, 4 Nov 2007 19:18:32 -0800 (PST) Jim Brown <[EMAIL PROTECTED]> wrote: > Be sure to align pin 1 with the socket and with the >Dallas Semiconductor Battery Backup and the memory chip >and plug them into U15. My units do not even have >sockets installed in U16, but I suspect the two locations >are pretty much in parallel except for an address line to >give the unit more ram, or to use a smaller capacity ram >chip and use two instead of the one. > > I happen to have a unit down waiting for a new battery >backup chip, and they are hard to find. The jobbers have >them but one wants a minimum order of $1000 and the other >one I checked out wanted $88 for a minimum order. My >units are over 15 years old and well beyond the battery >life of the Dallas Semiconductor backup unit. > > 73 - Jim W5ZIT > > rwjohn49 <[EMAIL PROTECTED]> wrote: > Thanks for the help. Need a little more >clarification. I have never > used one of these before, so I don't want to blow it up. >I have a > chip that is stacked....I suppose this is the one. I >took it apart > and wouldn't you know it, I managed to turn the chip >socket with the > smaller chip inside around, so I am not sure of its >orientation. It > has a cut out on the small chip inside the socket. I >suppose this > marks pin one.... and I would place the large chip with >its dot in > the same direction. Now, I have an empty chip space. >What socket > does it go into... U15 or U16....should have marked >it....dumb. Sorry > for the bother, but a little bit of orientation will >keep me from > blowing it up... > > Thanks > > ron > > --- In Repeater-Builder@yahoogroups.com, "Maire-Radios" ><maire- > [EMAIL PROTECTED]> wrote: >> >> take out the chip with the battery and unplug the chip >>from the > battery give it 3 mins or so and put it back should >default. >> >> >> ----- Original Message ----- >> From: rwjohn49 >> To: Repeater-Builder@yahoogroups.com >> Sent: Saturday, November 03, 2007 9:11 PM >> Subject: [Repeater-Builder] zetron 38a >> >> >> Folks, >> >> I just got a Zetron 38A at a hamfest. Works fine in the >>repeater > but I >> have tried the password code and no results. It is >>listed in the > book >> as 12123#. Someone must have changed it... What do I do >>now? Can > it >> be set back to a factory default? >> >> thanks, >> >> ron >> > > > > > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection >around > http://mail.yahoo.com