Chapter 1 31
System Power Management
USB Compliance
Level
2.0
USB Configuration Two EHCI and Six UHCI
Number of ZK2 USB
I/O ports
Two right side, one left side. One combines with eSATA
Item Specification
Mech. Off (G3) All devices in the system are turned off completely.
Soft Off (G2/S5) OS initiated shutdown. All devices in the system are turned off completely.
Working (G0/S0) Individual devices such as the CPU and hard disc may be power managed in
this state.
Suspend to RAM (S3)
• CPU set power down
• VGA Suspend
• PCMCIA Suspend
• Audio Power DownHard Disk Power Down
• CD-ROM Power Down
• Super I/O Low Power mode
Save to Disk (S4) Also called Hibernation Mode. System saves all system states and data onto
the disc prior to power off the whole system.
Item Specification