SPP EPP

Hello,

Just tried out the utilities that came with the TI C6711 DSK.  There is this
DOS based Test C6x11 DSK Ports and produced the following outputs:
Address 378, SPP Mode=Pass
Address 378, EPP Mode=Fail
Address 278, SPP Mode=Fail
Address 278, EPP Mode=Fail
.
.
Test Complete - No Configuration Performed.

Can someone tell me what those mean?

Hi Peter,

"Peter Choi" <choi@mecca.ca> wrote in message
news:ZyJGc.38701$P7.18497@pd7tw3no...
>[...]
> Address 378, SPP Mode=Pass
> Address 378, EPP Mode=Fail
> Address 278, SPP Mode=Fail
> Address 278, EPP Mode=Fail
> [...]
> Can someone tell me what those mean?

It says your computer has only 1 parallel port, at IO address 378, which is
typical, and that it functions as a standard parallel port (SPP), but not an
extended parallel port (EPP).  If your computer isn't too old, you can
probably change the parallel port mode support in the BIOS setup.

Peter Choi wrote:

> Hello,
> 
> Just tried out the utilities that came with the TI C6711 DSK.  There is this
> DOS based Test C6x11 DSK Ports and produced the following outputs:
> Address 378, SPP Mode=Pass
> Address 378, EPP Mode=Fail
> Address 278, SPP Mode=Fail
> Address 278, EPP Mode=Fail
> .
> .
> Test Complete - No Configuration Performed.
> 
> Can someone tell me what those mean?

I can only guess. The host program is looking for a suitable parallel
port on the host machine, and found one that corresponds to LPT1, but
not EPP capable. That's an IEEE 1284 spec. For a fuller explanation, see
http://www.fapo.com/ieee1284.htm

Jerry
-- 
Engineering is the art of making what you want from things you can get.
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