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Newsgroups: comp.unix.bsd Path: sserve!manuel!munnari.oz.au!mips!mips!zaphod.mps.ohio-state.edu!rpi!greg From: greg@ecse.rpi.edu (Greg) Subject: Re: Using IRQ 2 & VGA Message-ID: <greg.711574918@hibp1.ecse.rpi.edu> Keywords: 386bsd ne2000 Nntp-Posting-Host: hibp0.ecse.rpi.edu References: <greg.711512526@hibp1.ecse.rpi.edu> <1992Jul19.114000.28123@bigtex.cactus.org> Date: Sun, 19 Jul 1992 19:41:58 GMT Lines: 29 james@bigtex.cactus.org (James Van Artsdalen) writes: >In <greg.711512526@hibp1.ecse.rpi.edu>, greg@ecse.rpi.edu (Greg) wrote: >> When I first installed 386bsd 0.1, my ne2000 card would not transmit. >> It also sporadically gave error: isr 15 and error: isr 17 messages. >> I suspected a problem with the interupts. My ne2000 was jumpered for >> irq 2 and ioadx 0x300 as per the install notes. The only other boards in >> the machine are the vga and the FD/HD serial/par do-it-all card. >Some VGA cards use IRQ 2 for a vertical retrace interrupt. Even when >the interrupt is not enabled in the VGA, some cards drive IRQ 2 >inactive instead of leaving the signal tristate. >If this is the problem, you can use Scotch tape to cover the IRQ 2 >signal on the VGA's ISA connector. >-- >James R. Van Artsdalen james@bigtex.cactus.org "Live Free or Die" >Dell Computer Co 9505 Arboretum Blvd Austin TX 78759 512-338-8789 Well, not wanting to get glue in the connector, I cut the irq 2 trace on the vga board. Vga seems to work and even better, my ne2000 now works at irq 2. Thanks! -Greg greg@megas.ecse.rpi.edu