Firewire hard drive
Keyboard and mouse or trackpad
The backlit keyboard loses illumination ATA
The microprocessor goes into a low-power mode
The hard drive spins down
High speed data transfer
Diagnosis of bad HDD
USB devices use two types of plugs, Type A and Type B. The Type A plug is dome-shaped and connects to the host computer or a downstream hub. The Type B plug, which is flat, connects upstream to the USB device.
USB devices use two types of plugs, Type A and Type B. The Type A plug is flat and connects to the host computer or an upstream hub. The Type B plug, which is somewhat house-shaped, connects downstream to the USB device.