IEI Integration ICE-DB-T6 - Manual (Page 68)

Type 6 Carrier Board Design Guide
Page 58
Figure 3-24: Windbond W83627DHG Reference Design
3.10.2.1 Keyboard/Mouse
The following figures display reference circuitries for the legacy I/O interfaces connected
to the Winbond W83627HG Super I/O controller, including PS/2 keyboard/mouse and
RS-232 serial ports. The PS/2 connector has to be powered up by the +5V standby
voltage to support keyboard and mouse wake up functionality from low power system
states (S1 and S3).