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- From: mrex@indigo0 (Martin Rex)
- Subject: Re: ATI bus mouse with Linux and X
- Message-ID: <1992Dec24.001505.13190@sun0.urz.uni-heidelberg.de>
- Sender: news@sun0.urz.uni-heidelberg.de (NetNews)
- Organization: University of Heidelberg, Germany
- X-Newsreader: TIN [version 1.1 PL6]
- References: <15211.2b3748df@ohstpy.mps.ohio-state.edu>
- Date: Thu, 24 Dec 92 00:15:05 GMT
- Lines: 19
-
- pspeer@ohstpy.mps.ohio-state.edu wrote:
- : is that it comes up fine but the ATI bus mouse is dead. I have tried using
- : "Busmouse /dev/mouse" in Xconfig, tried mknod /dev/mouse c 10 0, which
- : I saw in the FAQ, all to no avail. The mouse is setup to use IRQ2 and works
-
- Use IRQ 5 and mknod /dev/mouse c 10 2
-
- Linux seems to have problems with IRQ2, if I put the WD8003E on IRQ 2,
- I cannot specify this interrupt in /usr/src/linux/net/tcp/Space.c,
- I have to call it IRQ 9. As I understand IRQ 2 and IRQ 9 are somewhat
- hardwired together on an PC/AT (ISA) and show up as "cascaded" in
- several diagnostic programs.
-
- I don't know if the mouse-driver for the busmouse expects IRQ 5,
- but I assume that, so you should try to use that one.
- (Make sure that you don't have a second LPT on this interrupt
- at the same time.)
-
- -Martin
-