16 Jul
2024
16 Jul
'24
11:32 a.m.
I have a cube project coming up eventually myself
Bill
On Tue, Jul 16, 2024, 1:23 PM Joshua Rice via cctalk <cctalk(a)classiccmp.org>
wrote:
I imagine it's quite difficult. Maybe not
"functional Twiggy drive"
difficult, but probably "unmolested 128k Macintosh" difficult.
It of course depends on who you know, and who you ask. Undoubtedly
there's a guy out there with a stack of them in a shed somewhere, but
getting hold of him is a different matter entirely.
Josh Rice
On 16/07/2024 17:24, Bill Degnan via cctalk wrote:
how hard is it to track down a replacement NeXT
cube motherboard?
Bill
On Tue, Jul 16, 2024 at 11:38 AM John Robertson via cctalk <
cctalk(a)classiccmp.org> wrote:
> On 2024/07/16 6:28 a.m., Paul Koning wrote:
>>> On Jul 16, 2024, at 9:05 AM, John Robertson via cctalk<
> cctalk(a)classiccmp.org> wrote:
>>> I'm just starting to clean up a NeXT system that a friend has had in
> storage for decades...
>>> I assume the thing has a battery somewhere - I just hope it isn't
> Ni-Cad!
>> At that age it might well be. So what? I think they are still
> available. Or you can replace it by a non-rechargeable battery. That's
> what I did with the ToD clock battery in my Pro; a lithium coin cell
with a
> series diode to prevent "charging"
is not an ideal solution but
adequate,
> and it would be better if I used a Schottky
diode rather than a plain Si
> rectifier diode I happened to have lying around.
>> paul
> Battery leakage was the issue - having dealt with a great many logic
> boards damaged or destroyed by leaking Ni-Cad batteries.
>
> I've since seen a photo of the inside of the NeXT and it looks like they
> used a plug in Lithium battery, so that risk is no longer of much
> concern to me.
>
> John :-#)#
>