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My Macintosh SE with System 6.0.7 correctly recognizes the year as 2020. Interesting that the newer system software has that defect, you'd think it would be the reverse.  :)

@Crutch Nice!  Glad my post was inspiring.  The surrogate battery is quite a nice way to do battery mods.  (I wish I got the notification earlier... the forum must have been quite busy this time of year.) Thinking about the possibilities for Macintoshes that were not manufactured with the 1/2...

For 1/2 AA batteries, I would probably prefer the lithium manganese dioxide ("CR") chemistry over lithium thionyl chloride when available.  Although I did find one source online, I was hoping to be able to order the battery together with other components from the same supplier/store.  The...

The Apple Service Manual 3 V threshold is definitely a precautionary measure, the soldered-on VARTA 1/2 AA 3.6 V Li battery I removed from the motherboard must have been the original installed over 30 years ago.  I've had this Macintosh SE for a while, and 10 years ago the clock tended to fall...

Yeah, the original battery was 3.6 V 1/2 AA Li.  The SE works fine with the 3 V coin cell battery.  The clock circuit appears to be fairly robust with low voltages, I believe lower voltages below 2 V cause the clock to start running too slow and down to 1 V the clock doesn't tick at all when the...

Impressive restoration skills, I am but a novice when it comes to working on compacts Macs. I see you're using a 1/2 AA battery socket.  Do you happen to know the kind of battery chemistry of the replacement battery you used?  For 1/2 AA batteries from my searches, there doesn't seem to be as...

Cool, I'd like to imagine an interesting modern use for that.  The Radius cards sure do seem to be the most popular to have comprehensive information on them.  My Macintosh SE has a Megascreen 3 video card that does without ROM chips and relies entirely on software drivers to set it up. ...

Recently, I've made a modification to my Macintosh SE to clip out the soldered-on 1/2 AA battery that was near the end of its life and soldered a pin header in its place.  From there, I attached a cable and routed the other end to an easy to reach place in the back right side of the Macintosh...

Looks like there are a few places to get IC clips in the correct geometry.  This is what I found: Digi-Key search results. Digi-Key shows a minimum quantity of 10.

Hey @Dog Cow, earlier in this thread (and a few other places in the 68kMLA forums) you've mentioned you're working on TeleDisk to send disk images over a serial connection.  Do you have a link to that and a source code repository? I've also written a similar program for that particular...

Hi maz, for serial transfers I use ZTerm 0.9 on the Macintosh side and the X/Y/ZMODEM protocol.  ZTerm will automatically pack/unpack MacBinary files which makes it a breeze to transfer applications.  I sent ZTerm over to the vintage side via a floppy disk image. I found some readymade 1.44 MB...

Another emulator to consider, may be easier to setup than BasiliskII: https://en.wikipedia.org/wiki/Executor_(software) More info on working with ".dsk" images: https://www.gryphel.com/c/image/ For transferring files to a vintage Mac using SD... getting the HFS volume may only be part of the...

I transfer files from modern PCs or Raspberry Pis (I don't have modern Macs) to classic Macintoshes via serial connection, to state it succinctly.  Typically I have also used the emulator method for creating raw disk images on a modern computer.  I've also used old Linux virtual machines to...