TRS-80 Model I

[woodelf]

Chuck Guzis wrote:

> In a way, I suppose the disk controller was a clever design.  But it 
> locked the CPU into 2MHz operation.  The use of a simple arithmetic 
> checksum for each sector was not perhaps the most reliable solution 
> either.  But the biggest problem is that disk reading and writing 
> required 100% attention from the CPU.  On most other computers that 
> used dedicated LSI controllers, the possibility existed for 
> overlapped computation/disk access.

Like when?
I can't think of any small computer or PC that does that?
> Cheers,
> Chuck