Hello,
I want to take advantage of bidirectional LPT ports.
Which version of 8bit cable is correct(is better)?
a) taken from /usr/src/linux/Documentation/networking/PLIP.txt
STROBE->BUSY 1 - 11
D0->D0 2 - 2
D1->D1 3 - 3
D2->D2 4 - 4
D3->D3 5 - 5
D4->D4 6 - 6
D5->D5 7 - 7
D6->D6 8 - 8
D7->D7 9 - 9
INIT -> ACK 16 - 10
AUTOFD->PAPOUT 14 - 12
SLCT->SLCTIN 13 - 17
GND->ERROR 18 - 15
extra grounds are 19*,20*,21*,22*,23*,24*
GROUND 25 - 25
b) taken from ibmlpt.txt
Side 1 Pin dir Pin Side 2 connection
------ --- --- --- ------ ----------
D0 2 <=>* 2 D0 direct
D1 3 <=>* 3 D1 direct
D2 4 <=>* 4 D2 direct
D3 5 <=>* 5 D3 direct
D4 6 <=>* 6 D4 direct
D5 7 <=>* 7 D5 direct
D6 8 <=>* 8 D6 direct
D7 9 <=>* 9 D7 direct
C0- 1 => 13 S4+ inverted
C1- 14 => 12 S5+ inverted
C2+ 16 => 10 S6+ direct
C3- 17 => 11 S7- direct
S4+ 13 <= 1 C0- inverted
S5+ 12 <= 14 C1- inverted
S6+ 10 <= 16 C2+ direct
S7- 11 <= 17 C3- direct
Gnd 25 === 25 Gnd (ground)
Witold Filipczyk
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This archive was generated by hypermail 2b29 : Fri Mar 01 2002 - 01:13:43 EST