[Coco] Preserving old CoCo diskettes...

[Gene Heskett]

On Tuesday 18 May 2010, Mark Marlette wrote:
>Gene,
>
>It appears that Roger T. has your fix. You can get an enhanced NitrOS-9
> 6551 driver from him.
>
>When it has cleared the Heskett test bench, let me know what your benchmark
> results are. We performed some benchmarks at the fest on Friday night.
> Boisy also had some slides on theoretical throughput calculations for the
> CoCo3. I don't recall the exact numbers......Boisy??????
>
>I'll report our test case and numbers, we did benchmark others.
>
>Test case:
>
>Boot NitrOS-9
>
>load megaread
>
>date -t;megaread </x0@;date -t
>
>DriveWire3, 120 seconds.

50k/sec.  But I have NDI what /x0 is on that system.
Can you show the dmode output?

>SuperIDE with SD card adapter and SuperDriver v2.1, 22 seconds.

That seems slow.

>SuperIDE with CompactFlash and SuperDriver v2.1, 18 seconds.

Likewise.

>TC^3 SCSI with a FAST SCSI drive and SuperDriver v2.1, 12 seconds.

Its a fat 12 seconds, but thats what I get.  Why is the IDE interface slower?

>Can't help it, we are Engineers and love to look at the data/facts.

Yup.  Addicted.  Guilty. ;-)

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
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<Palisade> how are we going to pronounce '00 or '01 or '02 and so on?
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