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@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@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 :-#)# >
