Messages in this thread | | | From | Paul Bunyk <> | Date | Tue, 8 Sep 1998 11:58:34 -0400 (EDT) | Subject | ZIP drive on laptop parport? any success with it? |
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Hi, everyone!
I'm trying to use a Zip drive (via ppa interface linked into the kernel) on my ASUS laptop (running 2.1.115 ... 2.1.120) with no luck.
drivers/scsi/README.ppa tells me: If you have both the lp and ppa drivers in your kernel, you must ensure that they access different parallel ports. By default, the lp driver is initialised early in the booting process, and it claims all parallel ports that it can find. [...] If you want to share the same parallel port between a ZIP drive and a printer, you should build both the lp and ppa drivers as modules and load and unload one or the other as required. This is clumsy but we currently have no protocol for synchronising access to shared parallel ports.
On the other hand, Documentation/Configure.help says: CONFIG_PARPORT [...] It is possible to share a single parallel port among several devices and it is safe to compile all the corresponding drivers into the kernel. [...] CONFIG_PRINTER [...] It is possible to share one parallel port among several devices (e.g. printer and ZIP drive) and it is safe to compile the corresponding drivers into the kernel.
So, where is the truth?
I think the problem might be that laptop uses the same printer port to connect an external floppy drive, thus it is somehow special/non-standard. Have anyone made ppa interface working in this situation?
(yes, I tried removing LP driver and even FDD driver and I have SCSI, SD, and PPA compiled into the kernel, all I get is scsi: 0 hosts).
Sigh...
Paul
P.S. Cc: paul@pbunyk.physics.sunysb.edu is appreciated alot!
-- ("`-''-/").___..--''"`-._ UNIX *is* user-friendly, he is just very `6_ 6 ) `-. ( ).`-.__.`) picky about who his friends are... (_Y_.)' ._ ) `._ `. ``-..-' Paul Bunyk, Research Scientist _..`--'_..-_/ /--'_.' ,'art by (and part-time UN*X sysadm) (il),-'' (li),' ((!.-' F. Lee http://pbunyk.physics.sunysb.edu/~paul
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