That's quite the trade there - 1/2 the pain-in-the-butt soldering vs 3x the cost per chip if you mess up......
Andrew On Wednesday, July 23, 2014 1:54:04 PM UTC-7, monahanz wrote: > > Opp’s sorry about that Dave. I have redone the “build notes” to include > both mezzanine boards. See:- > > > http://s100computers.com/My%20System%20Pages/16M%20RAM%20Board/16MG%20RAM%20Board.htm > > > > John > > > > > > *From:* yoda [mailto:[email protected] <javascript:>] > *Sent:* Wednesday, July 23, 2014 9:52 AM > *To:* [email protected] <javascript:> > *Cc:* [email protected] <javascript:> > *Subject:* Re: [N8VEM-S100:4675] Re: S-100-16M-SRAM-MEZZ-V6c Board - > Status --- OK > > > > Hi John > > > > Can you put back on your web site both versions of the mezzanine board - > so that people can see the original with the patch. I am not sure I am > going to move up to the new mezzanine boards (probably will) but now there > is no reference to the original board and the patches required to make it > work. I think when you update web site you need to leave what was > originally there and then add new sections (probably with revision number > and/or date for new section) - not delete and replace - the same has > happened with other boards. > > > > Dave > > On Wednesday, July 23, 2014 11:29:45 AM UTC-5, monahanz wrote: > > Yes Todd from Arrow. They are specked as 5V but the seem to work OK at > 3.3V. > > John > > > > *From:* [email protected] [mailto:[email protected]] *On > Behalf Of *[email protected] > *Sent:* Wednesday, July 23, 2014 6:26 AM > *To:* [email protected] > *Subject:* [N8VEM-S100:4675] Re: S-100-16M-SRAM-MEZZ-V6c Board - Status > --- OK > > > > John - > > I assume this was with the CY62167ELL-45ZXI ram? > > Todd - > > Let the group know when you're ready to ship out a few! > > - Gary > > On Tuesday, July 22, 2014 9:09:44 PM UTC-4, monahanz wrote: > > Todd just a quick note to let you know the V06c version of the mezzanine > boards checked out fine on the 16MG S100 RAM board. I hammered them > fairly good with the 80386 board, they did fine. > > > > Soldering the chips on to the board is quite tricky. I found it best to > aligen one corner, then orientate the chip and do the diagonally opposite > corner, then run the salder tip along the pins. With a wet tip there is > enough solder on the pins and the board for contact. However I had one > chip where the pin did not make contact, took me a while to locate it. > These boards are definatly not for anybody with shakey hands > > > > Will next do the 32MB 80386 board, but for now I feel confident sending > them out to all 16MB board users. > > > > Thanks Andrew and Dave for all your help on these. > > > > > > John > > > > -- > You received this message because you are subscribed to the Google Groups > "N8VEM-S100" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "N8VEM-S100" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
