On Sun, 2012-05-06 at 02:06 -0600, Jeshua Lacock wrote: ... snip > I tried pretty much every possible combination of C040, C050 and C00 that I > could think of. > > Here is as you suggest: > > sudo ./showport C040 C050 e > ~~~~~ > Base @ 0xc040 > Extended @ 0xc050 > DPR: 144 > DSR: 64 > DCR: 149 > EPPA: 4 > EPPD: 4 > > CFA: 4 > CFB: 238 > ECR: 4 > ~~~~~ > Setting mode to EPP > ECR: 4 > ~~~~~ > > > That doesn't seem to work as well.
The ECR above should have changed from 4 to 0000 0100 to (0000 0100 + 1000 0100) = 132. It looks like the write to the ECR didn't take, so may not be a writable address and therefore not the ECR. Did you try?: sudo ./showport C050 C040 e (In other words use a base address that is higher than the extended address.) I doubt this is an issue but, the main chip can be programmed to be one of a few different products. Do you have all of the circuitry for the parallel port on the PCI card? Most similar PCI cards will have the circuits for the various modes a chip can provide, but then solder on only the components for the selected mode. Only Mode 01 will provide a parallel port (see page 7). http://snebulos.mit.edu/projects/voila/docs/datasheets/Oxford_QuadUART.pdf -- Kirk Wallace http://www.wallacecompany.com/machine_shop/ http://www.wallacecompany.com/E45/index.html California, USA ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
