Fwd: compaq's portable computer

[Jim Leonard]

Fred Cisin wrote:
>>>DISKCOPY A: A:
>>>(you will need to swap source and target diskettes a few times.
>>>LOTS of times on older versions of DOS.
>>
> On Sun, 30 Jan 2005, Jim Leonard wrote:
> 
>>Well, only once if the disk fits in RAM...  Has nothing to with DOS version
>>unless you're running 1.x.
> 
> I could be misremembering (as usual?), but
> ISTR it being around DOS 3.31 that they switched from using 64K for a
> buffer during DISKCOPY over to using all of RAM.

You misremember.  My first PC clone came with 2.11 and it used all of available 
memory for the stock DISKCOPY.COM.

I can't speak for 1.x because I haven't tested it.  I wouldn't be surprised if 
1.x only used 64K of RAM, though.
-- 
Jim Leonard (trixter at oldskool.org)                    http://www.oldskool.org/
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