3. USB $B%G%P%$%9$rG'<1$7$F$$$k$H$3$m$N(B /var/log/messages

$B"*(B Dec  3 03:41:18 uranus /kernel: ums0: Primax Electronics product 0x4d03, rev 1.00/4.41, addr 2, iclass 3/1
   Dec  3 03:41:18 uranus /kernel: ums0: 3 buttons and Z dir.

4. usbdevs -v $B$N7k2L(B($B$3$l$OBgJQ=EMW$G$9!#$H$$$&$N$b!"@=IJ$r%f%K!<%/$K7hDj$G$-$k$+$i$G$9(B)

$B"*(B Controller /dev/usb0:

$Bx (B  addr 1: self powered, config 1, UHCI root hub(0x0000), Intel(0x0000), rev 1.00
    port 1 addr 2: low speed, power 100 mA, config 1, product 0x4d03(0x4d03), Primax Electronics(0x0461), rev 4.41
    port 2 powered

5. $BF0:n$7$?$+!"$7$J$$$+!#F0:n$7$J$/$F$b>pJs$H$7$F$O=EMW$G$9(B!!

$B"*(B $BF0:n$7$?!#(B
   ($B$?$@$7!"%[%$!<%k$K$D$$$F$O(B moused $B$K(B -f -d -z 4 $B$rIU$1$F5/F0$7$F?tCM$,(B
   $BJQ$+$9$k$3$H$@$1$r3NG'$7$?!#(B)