On 2013/09/17 7:02 pm, Julian Perry wrote: [Jim Brain wrote, attribution did not survive:] >> d82 was created from 8250 disk in 12 minutes. > > That's quite respectable, considering it's shovelling a meg of data. I'm not sure I agree with that. That's not even 1.5 KB/s. Considering the IEEE-488 bus is capable of over 1MB/s with a faster machine driving it, I have to say I'm a little underwhelmed. Anyone have any ideas as to how much of the sluggishness is due to the ancient and slow floppy drive mechanism? Of course, a good bit would have to be due to the inadequate buffering capacity, as well. Not sure about the 8250 without looking it up, but I seem to recall the 2040/4040 only has a couple of KiB on board. Those RAM chips cost a lot in the late 1970s. Gordon Message was sent through the cbm-hackers mailing listReceived on 2013-09-18 04:00:08
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