Answer by cjs for What were wait-states, and why was it only an issue for PCs?
Wait States are OldWait states were not just a thing with IBM PCs and compatibles; they were used in many systems long before the PC appeared (as well as appearing in 68000 and similar systems, as...
View ArticleAnswer by Spektre for What were wait-states, and why was it only an issue for...
The PC machines where made as modifiable/expandable system so you can have different CPU, memory, peripherial configuration on per machine basis. That leads to problem with interfacing different speed...
View ArticleAnswer by Raffzahn for What were wait-states, and why was it only an issue...
Preface 1: The way it is asked, it's way too broad for an answer to make any sense. Especially making some assumptions at the same time as widening it across all different CPU memory interface...
View ArticleAnswer by Justme for What were wait-states, and why was it only an issue for...
The DRAM chips used for memory needed a certain memory access cycle length, for example 1000ns. Also CPUs needed several clock cycles to perform a memory cycle, so for example a 8086 could take 4...
View ArticleAnswer by Tommy for What were wait-states, and why was it only an issue for PCs?
It was an issue on all machines — wait states resolve any situation in which the part a processor needs a response from isn't yet ready to respond — but only in the commoditised world of the PC was it...
View ArticleWhat were wait-states, and why was it only an issue for PCs?
PC compatibles in the 1980s were often advertised as having zero, one, two, or sometimes more "wait states". Zero wait states was the best.Basically, the wait-states I am asking about are due to the...
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