PCI/e LPT Card Clarifications for the Wiki
23 Oct 2018 00:49 #119230
by Bari
PCI/e LPT Card Clarifications for the Wiki was created by Bari
All PCI/e LPT cards work for software stepping with RTAI if the mainboard and CPU have low enough latency. This is most often limited by a bad/broken BIOS that doesn't let the user kill power management, speed stepping, etc..
The PCI/e LPT cards that you have to watch out for are those that have broken EPP. This is only a problem if you are using LPT with EPP to Mesa 7i43.
wiki.linuxcnc.org/cgi-bin/wiki.pl?WCH this PCIe LPT card just needs a kernel patch for Dev. ID 3050.
The wiki mentions two PCI LPT cards with issues:
wiki.linuxcnc.org/cgi-bin/wiki.pl?Startech
wiki.linuxcnc.org/cgi-bin/wiki.pl?SIIG
Are there any other PCI/e LPT cards that don't work well with software stepping right to a BOB (break out board)?
The PCI/e LPT cards that you have to watch out for are those that have broken EPP. This is only a problem if you are using LPT with EPP to Mesa 7i43.
wiki.linuxcnc.org/cgi-bin/wiki.pl?WCH this PCIe LPT card just needs a kernel patch for Dev. ID 3050.
The wiki mentions two PCI LPT cards with issues:
wiki.linuxcnc.org/cgi-bin/wiki.pl?Startech
wiki.linuxcnc.org/cgi-bin/wiki.pl?SIIG
Are there any other PCI/e LPT cards that don't work well with software stepping right to a BOB (break out board)?
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