Design
The standard defines how to signal the H-sync and V-sync pins in a standard SVGA monitor to trigger the monitor's power saving capabilities.
DPMS defines four modes; normal, standby, suspended and off. When in the "off" state some power may still be drawn in order to power indicator lights.
The standard is:
| State | H-sync | V-sync | Power | Recovery Time |
|---|---|---|---|---|
| On | On | On | 100% | n/a |
| Stand-by | Off | On | < 80% | ~1 Sec. |
| Suspend | On | Off | < 30W | ~5 Sec. |
| Off | Off | Off | < 8W | ~20 Sec. |
Read more about this topic: VESA Display Power Management Signaling
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