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echo: tech
to: KEN HRYNCHUK
from: Jasen Betts
date: 2004-09-16 09:43:34
subject: 8-bit LPT cable

Hello KEN.

14 Sep 04 11:17, you wrote to all:

 KH> Has anyone done 8-bit file transfers via the PC's parallel port?

yes.

 KH> I'm thinking of using the following cable configuration:

 KH> DB25M            DB25M
 KH> -----            -----
 KH>   1 -------------  1
 KH>   2 ------------- 15
 KH>   3 ------------- 13
 KH>   4 ------------- 12
 KH>   5 ------------- 10
 KH>   6 ------------- 11
 KH>  10 -------------  5
 KH>  11 -------------  6
 KH>  12 -------------  4
 KH>  13 -------------  3
 KH>  14 ------------- 14
 KH>  15 -------------  2
 KH>  16 ------------- 16
 KH>  17 ------------- 17
 KH>  25 ------------- 25


 KH> Will the above be compatible with 4-bit transfer software (e.g.
 KH> Interlink), and will it be usable on EPP/ECP ports, as well as
 KH> SPP (i.e. 'Legacy') ports? Indeed, will it be usable, at all?

that's looks like a 4-bit cable.

check the documentation for whatever software you're planning to use.
the documentation usually describes which sort of cable you should use.
The interlink documentation describes a 4 bit cable that seems compatible
with most software, (but I never could get PLIP working under linux)

 KH>  Ken (who does realize that there are faster ways to transfer files
 KH> )

if you can get the machines close enough to use a parallel cable it's often
easier, and much, much, faster to plug both hard drive ribbon cables into
one machine.  :)

Jasen

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