Startech PEX2PECP2 Parallel port card

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29 Sep 2020 11:48 #184275 by jeoslislo
I can't seem to get this card to work. Has anyone used this card successfully?

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29 Sep 2020 11:55 #184276 by tommylight
Insert the card on the PC,
Boot that PC with any Linux,
Open a terminal and type
sudo lspci -v
you should get something like " driver in use parport", so scroll up and write down 2 addresses for IO ports
Use those two addresses to configure LinuxCNC.

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29 Sep 2020 12:18 #184281 by jeoslislo
I am really having no luck. When I sudo lspci -v with the card not inserted and then sudo lspci -v with the card inserted, the only change in the output is the following additional info, nothing else:

00:1c.4 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 5 (rev b4) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
I/O behind bridge: 0000d000-0000dfff
Prefetchable memory behind bridge: 00000000f0000000-00000000f00fffff
Capabilities: <access denied>
Kernel driver in use: pcieport

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06 Oct 2020 09:01 #185041 by seuchato
try
ls -l /proc/sys/dev/parport

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06 Oct 2020 11:39 #185052 by jeoslislo
Results with TWO different parallel cards plugged in:

shop@shop:~$ ls -l /proc/sys/dev/parport
total 0
dr-xr-xr-x 1 root root 0 Oct 6 07:29 default
shop@shop:~$

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06 Oct 2020 17:55 #185105 by Todd Zuercher
But that only tells you that the parallel port card isn't supported by the kernel. It could still possibly work with Linuxcnc using the correct memory address.

PCIe parallel port card support is a bit sketchy, but I believe that has more to do with problems with the cards themselves. The really problematic ones are more parallel port emulators than actual proper parallel ports.
The following user(s) said Thank You: BeagleBrainz

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06 Oct 2020 19:27 - 06 Oct 2020 19:36 #185119 by seuchato
did you disable the pci/pce slots the cards are plugged i in bios?


also try this:
dmesg | grep par
...
[    3.974443] parport_pc 00:02: reported by Plug and Play ACPI
[    3.979007] parport0: PC-style at 0x378 (0x778), irq 7 [PCSPP,TRISTATE,EPP]

..,

tech specs found here say "Chipset ID ASIX - MCS9865". According to this post , it should "work fine".
Last edit: 06 Oct 2020 19:36 by seuchato. Reason: hint on dmesgm tecg specs and faq pci parport added

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06 Oct 2020 22:11 #185147 by tommylight
A few days back i did test a StarTech PCI to parallel port card that did not work at all with Linux, the board is plain and void of any parts besides a small chip.
Used a NetMos card that always works.
The StarTech is recognized only as a PCI card under Linux, did not test any further.

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06 Oct 2020 22:22 - 06 Oct 2020 22:24 #185150 by Clive S

A few days back i did test a StarTech PCI to parallel port card that did not work at all with Linux, the board is plain and void of any parts besides a small chip.
Used a NetMos card that always works.
The StarTech is recognized only as a PCI card under Linux, did not test any further.

Tom
I purchased 5 of these and they all work fine.

www.ebay.co.uk/itm/5-x-Startech-PEX1P-Pa...p2057872.m2749.l2649

edit I noticed they are back on there website at the same price
Last edit: 06 Oct 2020 22:24 by Clive S.

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06 Oct 2020 22:29 #185152 by tommylight

I purchased 5 of these and they all work fine.

www.ebay.co.uk/itm/5-x-Startech-PEX1P-Pa...p2057872.m2749.l2649

edit I noticed they are back on there website at the same price

Nice ! :)
I had a PCI one, not PCI-e, with a very small chip on it and nothing more, not even a resistor.
These on your link have some more electronic on them and a much bigger chip.
Never bothered to look at the chip no.

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