13 Apr
2023
13 Apr
'23
2:39 p.m.
I have compared the pinout of the MM58167 with the diagram given in the
Ceres-3 Hardware description ...
... unfortunately, these are completely different, so your assumption
seems not be valid :-(
Liam Proven via cctalk wrote on 13.04.23 15:38:
On Tue, 11 Apr 2023 at 17:41, Bernd Kopriva via
cctalk
<cctalk(a)classiccmp.org> wrote:
Does anyone have a pointer to the datasheet ?
A comment on ****book said:
«
For me, 'National Semiconductor' and 'RTC' together mean their own
design of the MM58167 that was used on the AST multi-I/O and memory
expansion adapters for the PC and the PS/2 Model 30. I guess that RTC
was sourced differently later.
»