5. Linux に繋ぐと? dmesg [ 1305.210688] usb 4-1: new high speed USB device using ehci_hcd and address 2 [ 1305.345621] usb 4-1: configuration #1 chosen from 3 choices $ lsusb -s 004:002 Bus 004 Device 002: ID 05ac:1291 Apple Computer, Inc. $ lsusb -s 004:002 -v Bus 004 Device 002: ID 05ac:1291 Apple Computer, Inc. Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x05ac Apple Computer, Inc. idProduct 0x1291 --省略--