On Thu, 18 May 2017, allison via cctalk wrote:
On 5/18/17 12:51 PM, Adrian Stoness via cctalk wrote:
So a 11/03 aka a lsi11 would be to slow for such things? Such as those
Heathkit h11 lsi11 macheans? Witch was a hobyist pdp11 for those that are
unfamiliar with the hearhkits
No, BBSs were run with 4mhz Z80s... compared to LSI-11 (H11 or PDP11/03)
The -11 is a bit faster. The H11 was not slower, the ram used didn't inject
bus waits.
...and 2Mhz Z-80s. The first Citadel appeared on a bone stock H-89 with a
pair of hard-sectored floppy drives. I think Ward's original S-100 box
was that clock or maybe slower, using an 8080.
g.
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