Lenovo ThinkCentre A70 7099 Hardware Maintenance Manual page 188

v Wake on LAN: If the computer has a properly configured token-ring or Ethernet
LAN adapter card that is Wake on LAN-enabled and there is remote network
management software, you can use the Wake on LAN feature. When you set
Wake on LAN to Enabled, the computer will turn on when it receives a specific
signal from another computer on the local area network (LAN).
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Hardware Maintenance Manual