MITS 2SIO serial chip?

From: ajp166 <>
Date: Sun Dec 16 14:57:27 2001

From: Richard Erlacher <>

>the "vintage-PC" chipsets were 5 MHz parts, I do believe. That still
>rocket-fast, but it was adequate for the 4.77 MHz i8088.

Yes, and NEC and INTEL were selling 8mhz parts before then.

The "PC" was slow by contemporary standards. I'd have likend it to
a 2mhz z80 system in 1981, equally poor thing to do.

Received on Sun Dec 16 2001 - 14:57:27 GMT

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