I've got a similar situation as this: http://marc.theaimsgroup.com/?l=openbsd-misc&m=106401329307009&w=2
Basically, I have a laptop with a built-in touchpad (which works fine) and also a separate keyboard + touchpad hooked up to one of the laptop's USB ports. The external touchpad is a very plain 2-button Cirque serial device, which is connected to a serial-to-ps/2 adaptor. Both the keyboard and touchpad are hooked up to the same USB port via a ps/2-to-usb "Y" adaptor. The keyboard works fine. The touchpad doesn't ever respond at all, although I know the hardware is good because this setup works fine if I boot into a Knoppix CD (it finds it at /dev/input/mice, and both touchpads multiplex ok in gpm). My dmesg is appended to the end of this email, and here's some other relevant info: $ usbdevs -v Controller /dev/usb0: addr 1: full speed, self powered, config 1, OHCI root hub(0x0000), SIS(0x1039), rev 1.00 port 1 powered port 2 addr 2: low speed, power 100 mA, config 1, Semi Tech PS/2 Keyboard - PS/2 Mouse(0x8081), Semi Tech(0x04b4), rev 0.01 port 3 powered Controller /dev/usb1: addr 1: full speed, self powered, config 1, OHCI root hub(0x0000), SIS(0x1039), rev 1.00 port 1 powered port 2 powered port 3 powered Controller /dev/usb2: addr 1: high speed, self powered, config 1, EHCI root hub(0x0000), SIS(0x1039), rev 1.00 port 1 powered port 2 powered port 3 powered port 4 powered port 5 powered port 6 powered $ ls -l /dev/wsmouse* crw------- 1 smt smt 69, 0 Nov 17 20:48 /dev/wsmouse crw------- 1 smt smt 68, 0 Nov 17 20:48 /dev/wsmouse0 crw------- 1 smt smt 68, 1 Dec 3 17:46 /dev/wsmouse1 crw------- 1 root wheel 68, 2 Nov 17 20:48 /dev/wsmouse2 crw------- 1 root wheel 68, 3 Nov 17 20:48 /dev/wsmouse3 $ sudo wsmoused -i -p /dev/wsmouse wsmouse supported mouse: USB $ sudo wsmoused -i -p /dev/wsmouse0 wsmouse supported mouse: PS/2 compatible $ sudo wsmoused -i -p /dev/wsmouse1 wsmouse supported mouse: USB Testing with wsmoused: "sudo wsmoused -2df -p /dev/wsmouse0" shows the mouse cursor moving when finger pressure is applied to the laptop's built-in touchpad. "sudo wsmoused -2df -p /dev/wsmouse1" has no effect all at when pressure is applied to the external touchpad, even if explicit -t option is used (tried every single protocol type on the list) Testing with cat: "cat /dev/wsmouse0" prints binary junk to the screen when the built-in touchpad is pressed. "cat /dev/wsmouse1" prints nothing at all when the external touchpad is pressed. It's dead Jim... I also tried the same tests after booting with "disable pms" in the UKC. The only result was that the built-in touchpad then also became dead, and the external touchpad replaced it as wsmouse0 (but was still completely dead). Booting with the external keyboard disconnected from the "Y" adaptor also had no effect. I'm not sure what else to try or what I should look at next? OpenBSD 3.8 (GENERIC) #0: Wed Apr 5 20:52:37 EDT 2006 [EMAIL PROTECTED]:/usr/src/sys/arch/i386/compile/GENERIC cpu0: Mobile AMD Sempron(tm) Processor 3000+ ("AuthenticAMD" 686-class, 128KB L2 cache) 1.80 GHz cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3 cpu0: AMD Powernow: FID VID TTP TM STC real mem = 501784576 (490024K) avail mem = 450740224 (440176K) using 4278 buffers containing 25190400 bytes (24600K) of memory mainbus0 (root) bios0 at mainbus0: AT/286+(39) BIOS, date 08/24/05, BIOS32 rev. 0 @ 0xfd5f0 pcibios0 at bios0: rev 2.1 @ 0xfd5f0/0xa10 pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xfdd30/160 (8 entries) pcibios0: PCI Interrupt Router at 000:02:0 ("SIS 85C503 System" rev 0x00) pcibios0: PCI bus #2 is the last bus bios0: ROM list: 0xc0000/0xc000 0xdc000/0x8000! cpu0 at mainbus0 pci0 at mainbus0 bus 0: configuration mode 1 (no bios) pchb0 at pci0 dev 0 function 0 "SIS 760 PCI" rev 0x03 ppb0 at pci0 dev 1 function 0 "SIS 86C202 VGA" rev 0x00 pci1 at ppb0 bus 1 vga1 at pci1 dev 0 function 0 "SIS 6330 VGA" rev 0x00: aperture at 0xe8000000, size 0x400000 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) pcib0 at pci0 dev 2 function 0 "SIS 85C503 System" rev 0x25 pciide0 at pci0 dev 2 function 5 "SIS 5513 EIDE" rev 0x00: 760: DMA, channel 0 configured to compatibility, channel 1 configured to compatibility wd0 at pciide0 channel 0 drive 0: <IC25N060ATMR04-0> wd0: 16-sector PIO, LBA48, 57231MB, 117210240 sectors wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 5 atapiscsi0 at pciide0 channel 1 drive 0 scsibus0 at atapiscsi0: 2 targets cd0 at scsibus0 targ 0 lun 0: <Slimtype, COMBO SOSC-2483K, KCK2> SCSI0 5/cdrom removable cd0(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 2 "SIS 7013 Modem" rev 0xa0 at pci0 dev 2 function 6 not configured auich0 at pci0 dev 2 function 7 "SIS 7012 AC97" rev 0xa0: irq 5, SiS7012 AC97 ac97: codec id 0x414c4770 (Avance Logic ALC203) ac97: codec features headphone, 20 bit DAC, 18 bit ADC, No 3D Stereo audio0 at auich0 ohci0 at pci0 dev 3 function 0 "SIS 5597/5598 USB" rev 0x0f: irq 9, version 1.0, legacy support usb0 at ohci0: USB revision 1.0 uhub0 at usb0 uhub0: SIS OHCI root hub, rev 1.00/1.00, addr 1 uhub0: 3 ports with 3 removable, self powered ohci1 at pci0 dev 3 function 1 "SIS 5597/5598 USB" rev 0x0f: irq 11, version 1.0, legacy support usb1 at ohci1: USB revision 1.0 uhub1 at usb1 uhub1: SIS OHCI root hub, rev 1.00/1.00, addr 1 uhub1: 3 ports with 3 removable, self powered ehci0 at pci0 dev 3 function 2 "SIS 7002 USB" rev 0x00: irq 10 usb2 at ehci0: USB revision 2.0 uhub2 at usb2 uhub2: SIS EHCI root hub, rev 2.00/1.00, addr 1 uhub2: 6 ports with 6 removable, self powered sis0 at pci0 dev 4 function 0 "SIS 900 10/100BaseTX" rev 0x91: irq 3, address 00:c0:9f:d4:41:1b rlphy0 at sis0 phy 13: RTL8201L 10/100 PHY, rev. 1 cbb0 at pci0 dev 6 function 0 "Texas Instruments PCI1410 CardBus" rev 0x02: irq 3 vendor "Broadcom", unknown product 0x4318 (class network subclass miscellaneous, rev 0x02) at pci0 dev 11 function 0 not configured pchb1 at pci0 dev 24 function 0 "AMD AMD64 HyperTransport" rev 0x00 pchb2 at pci0 dev 24 function 1 "AMD AMD64 Address Map" rev 0x00 pchb3 at pci0 dev 24 function 2 "AMD AMD64 DRAM Cfg" rev 0x00 pchb4 at pci0 dev 24 function 3 "AMD AMD64 Misc Cfg" rev 0x00 isa0 at pcib0 isadma0 at isa0 pckbc0 at isa0 port 0x60/5 pckbd0 at pckbc0 (kbd slot) pckbc0: using irq 1 for kbd slot wskbd0 at pckbd0: console keyboard, using wsdisplay0 pms0 at pckbc0 (aux slot) pckbc0: using irq 12 for aux slot wsmouse0 at pms0 mux 0 pcppi0 at isa0 port 0x61 midi0 at pcppi0: <PC speaker> spkr0 at pcppi0 sysbeep0 at pcppi0 npx0 at isa0 port 0xf0/16: using exception 16 cardslot0 at cbb0 slot 0 flags 0 cardbus0 at cardslot0: bus 2 device 0 cacheline 0x0, lattimer 0x20 pcmcia0 at cardslot0 biomask efdd netmask efdd ttymask ffdf pctr: user-level cycle counter enabled wi0 at pcmcia0 function 0 "The Linksys Group, Inc., Instant Wireless Network PC Card, ISL37300P" port 0xb000/64 wi0: PRISM3 ISL37300P (0x801b), Firmware 1.1.0 (primary), 1.4.2 (station), address 00:06:25:16:c7:ea dkcsum: wd0 matches BIOS drive 0x80 root on wd0a rootdev=0x0 rrootdev=0x300 rawdev=0x302 uhidev0 at uhub0 port 2 configuration 1 interface 0 uhidev0: Semi Tech Semi Tech PS/2 Keyboard - PS/2 Mouse, rev 1.01/0.01, addr 2, iclass 3/1 ukbd0 at uhidev0: 8 modifier keys, 6 key codes wskbd1 at ukbd0 mux 1 wskbd1: connecting to wsdisplay0 uhidev1 at uhub0 port 2 configuration 1 interface 1 uhidev1: Semi Tech Semi Tech PS/2 Keyboard - PS/2 Mouse, rev 1.01/0.01, addr 2, iclass 3/1 ums0 at uhidev1: 3 buttons and Z dir. wsmouse1 at ums0 mux 0 auich0: measured ac97 link rate at 48005 Hz, will use 48000 Hz