Intel CHIPSET 820E - Manual (Page 191)

Intel ® 820E Chipset
R
Design Guide 191
Figure 105. Use a GPO to Reduce DRCG Frequency
DRCG GPO
S0
S0
gpo_drcg-freq
6.1.5.2. Option 2: Increase the Current Capability of the 2.5 V Voltage Regulator
The second implementation option requires that the 2.5 V power supply be modified to maintain the
maximum amount of current required by a fully populated RDRAM channel (~7.5 A).