disabling my mouse nipple

Jason Dusek jason.dusek at gmail.com
Sun Jan 1 14:02:13 PST 2006

i'm using a dell d600 with 6.0-STABLE and Xorg on it. my mouse nipple
is crazy|damaged: sometimes when i type keys next to it - 't', 'y',
'f', 'g', 'h', 'j', 'v', 'b', 'n' - the mouse pointer goes zooming
across the screen, usually to the left.

i don't know anything about the underlying hardware or drivers, so i
would like to disable the mouse nipple at startup until i make time to
consult a professional.

i also have a touchpad, but i can't figure out which device is the
touchpad and which is the mouse nipple - my dmesg only lists one
device as a mouse.

## <dmesg>

Copyright (c) 1992-2005 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
	The Regents of the University of California. All rights reserved.
FreeBSD 6.0-STABLE #0: Thu Dec 15 12:48:16 PST 2005
    root at localhost:/usr/obj/usr/src/sys/JSN
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Pentium(R) M processor 1500MHz (1495.15-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x695  Stepping = 5
real memory  = 536535040 (511 MB)
avail memory = 515682304 (491 MB)
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
acpi0: <DELL CPi R  > on motherboard
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
cpu0: <ACPI CPU> on acpi0
acpi_throttle0: <ACPI CPU Throttling> on cpu0
acpi_acad0: <AC Adapter> on acpi0
battery0: <ACPI Control Method Battery> on acpi0
battery1: <ACPI Control Method Battery> on acpi0
acpi_lid0: <Control Method Lid Switch> on acpi0
acpi_button0: <Power Button> on acpi0
acpi_button1: <Sleep Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci_link1: BIOS IRQ 11 for 0.31.INTB is invalid
pci0: <ACPI PCI bus> on pcib0
agp0: <Intel 82855 host to AGP bridge> mem 0xe0000000-0xe7ffffff at
device 0.0 on pci0
pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
drm0: <ATI Radeon Lf R250 Mobility 9000 M9> port 0xc000-0xc0ff mem
0xe8000000-0xefffffff,0xfcff0000-0xfcffffff irq 11 at device 0.0 on
info: [drm] AGP at 0xe0000000 128MB
info: [drm] Initialized radeon 1.19.0 20050911
uhci0: <Intel 82801DB (ICH4) USB controller USB-A> port 0xbf80-0xbf9f
irq 11 at device 29.0 on pci0
usb0: <Intel 82801DB (ICH4) USB controller USB-A> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1: <Intel 82801DB (ICH4) USB controller USB-B> port 0xbf40-0xbf5f
irq 11 at device 29.1 on pci0
usb1: <Intel 82801DB (ICH4) USB controller USB-B> on uhci1
usb1: USB revision 1.0
uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
uhci2: <Intel 82801DB (ICH4) USB controller USB-C> port 0xbf20-0xbf3f
irq 11 at device 29.2 on pci0
usb2: <Intel 82801DB (ICH4) USB controller USB-C> on uhci2
usb2: USB revision 1.0
uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
ehci0: <Intel 82801DB/DBL/DBM (ICH4) USB 2.0 controller> mem
0xf4fffc00-0xf4ffffff irq 11 at device 29.7 on pci0
usb3: EHCI version 1.0
usb3: companion controllers, 2 ports each: usb0 usb1 usb2
usb3: <Intel 82801DB/DBL/DBM (ICH4) USB 2.0 controller> on ehci0
usb3: USB revision 2.0
uhub3: Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub3: 6 ports with 6 removable, self powered
pcib2: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci_link1: BIOS IRQ 11 for 2.3.INTA is invalid
pci2: <ACPI PCI bus> on pcib2
pci2: <bridge, PCI-CardBus> at device 1.0 (no driver attached)
pci2: <bridge, PCI-CardBus> at device 1.1 (no driver attached)
ndis0: <Dell TrueMobile 1300 WLAN Mini-PCI Card> mem
0xfaffe000-0xfaffffff irq 9 at device 3.0 on pci2
ndis0: NDIS API version: 5.0
ndis0: Ethernet address: 00:90:96:b9:95:64
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH4 UDMA100 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xbfa0-0xbfaf at device 31.1 on
ata0: <ATA channel 0> on atapci0
ata1: <ATA channel 1> on atapci0
pcm0: <Intel ICH4 (82801DB)> port 0xb800-0xb8ff,0xbc40-0xbc7f mem
0xf4fff800-0xf4fff9ff,0xf4fff400-0xf4fff4ff irq 9 at device 31.5 on
pcm0: <SigmaTel STAC9750/51 AC97 Codec>
acpi_tz0: <Thermal Zone> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model GlidePoint, device ID 0
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
sio0: type 16550A
ppc0: <ECP parallel printer port> port 0x378-0x37f,0x778-0x77b irq 7
drq 1 on acpi0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
ppbus0: <Parallel port bus> on ppc0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
pmtimer0 on isa0
orm0: <ISA Option ROM> at iomem 0xc0000-0xcffff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1: port may not be enabled
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounter "TSC" frequency 1495153407 Hz quality 800
Timecounters tick every 1.000 msec
ad0: 38154MB <HTS548040M9AT00 MG2OA53A> at ata0-master UDMA100
acd0: CDRW <QSI CD-RW/DVD-ROM SBW242U/UD25> at ata1-master UDMA33
Trying to mount root from ufs:/dev/ad0s1a
info: [drm] Loading R200 Microcode

## </dmesg>


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