have C code for parallel i/o, pin by pin (for interfacing)

have C code for parallel i/o, pin by pin (for interfacing)

Post by Alex Shr » Sun, 23 Jul 1995 04:00:00

A while ago I posted for help, asking how to control and read from the
individual pins of the parallel port, with the hope of being able to
control some simple circuits, etc, with my computer.

A few people responded, but none offered code to do what I wanted to
do.  Since then, I have answered my own question and have thrown
together some C functions that handle parallel i/o pin by pin.  If
anyone is interested, send email.


           http://ajshrom.student.princeton.edu |             Linux ...


1. pci ultra scsi cable to 50 pin scsi ii (vhdc ro 50 pin)


I've got a PCI ultrascsi host adapter in an ultra5 - this came with a
a cable (vdhc1 to scsi 68), however at this moment in time I only have
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So is there a vdhc1 to 50 scsi cable availalbe - I've only found the
68pin version. I guess this feels like a retrograde step but it;s not
feasible to buy a 68 pin device just so that I can then use a 68-50
pin cable to chain my existing external disks.

And is it only me (probably)  but do these vdhc connectors feel flimsy
to you?

Many thanks, any info appreciated

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