Important Notification About Power Issue - MSI K8N Diamond Plus Series User Manual

M S-7220 ATX M ainboard

Important Notification about Power Issue

NForce chipset is very sensitive to ESD (Electrostatic Discharge), therefore
this issue mostly happens while the users intensively swap memory modules under
S5 (power-off) states, and the power code is plugged while installing modules. Due
to several pins are very sensitive to ESD, so this kind of memory-replacement actions
might cause system chipset unable to boot. Please follow the following solution to
avoid this situation.
Unplug the AC power cable (shown in figure 1) or unplug the JPW R1/ JPW R2/
JPW R3 power connectors (shown in figure 2 & 3) before the 1st installation or during
system upgrade procedure.
Figure 2:
Unplug the JPWR1 power conn.
E2-10
Figure 1:
Unplug the AC power cable
Figure 3:
Unplug the JPWR2/JPWR3 power
connectors