*updating* 8088's

Chuck Guzis cclist at sydex.com
Tue Nov 20 00:30:15 CST 2007


On 19 Nov 2007 at 20:39, woodelf wrote:

> So what speed does the memory run at is my question and how wide?
> Playing around with homebrew micro design I am working on, a 500 ns
> memory cycle ( 2Mhz ) is about as fast as you can go with standard
> parts about 150 ns access time. My limiting factor is not memory
> speed but EEPROM and I/O chips dead slow speeds.

Well, most of the "good" upgrade cards have their own BIOS and 
memory.  The bus is used mostly for I/O device access. 

Cheers,
Chuck



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