Smart Energy System (SES)


  Wake Up on Ring - Wake on LAN Setup / 300-700 Series



All PC 300 and PC 700 model implement IBM's Smart Energy System (SES)

SES State H-sync V-sync VDU Function Display VESA APM State VDU LED Power used (IBM 9525) Intern. Standard
ON active active normal ON on 80 Watt  
Standby active in- -active video off Suspend slow blink 23 Watt Energy Star < 30W
Suspend Rapid Resume off off video scan off Off off 4.5 Watt Nutek < 8W

Schematically SES architecture

                     +------------+
                     |   Modem    |
                     +------------+
                           |
 +-------------+           |                +----------------------+
 |On/Off Switch|---+       |                |                      |
 +-------------++- v ----- v ---------------|----------------+     |
                | ************              |  +------------+|     |
  +-------------->* SES Unit *---+          |  | Video RAM  <++--- v ---+
  |             | ************   |          |  +------------+||         |
  |             |                |          |                +>         |
  |             |              + v -------- v ++------------+||         |
  |             |      +------>| System BIOS  || System RAM <->Hard Disk|
  |         +----      |       +--------------++------------+||         |
  |         |+---      |              |                      +>         |
  |         ||+--+-----v------++--------------++------------+||         |
  |         ||| || Video Ctrl.|| OS APM driver||CPU Register<++---------+
  |         ||| |+------------++--------------++------------+|
 +v---------vvv++------|-------------------------------------+
 |Power Supply |       |
 +-------------+       |     H-sync / V-sync signal           +---------+
                       +------------------------------------->| Display |
                                                              +---------+

NOTE: MC-Model 700 with AHA-2940 SCSI-PCI Adapter installed, and the first Hard Disk is an SCSI-type, will not RESUME (no plan for a re-design).


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