Dimm Voltage; Memory Clock - Nvidia nForce4 Ultra User Manual

DIMM Voltage

This item allows you to adjust the DIMM slot voltage.
Options: Auto, +1.8V to +2.5V in 0.1V increments. We recommend that you leave this at the default value.

Memory clock

This item sets the memory clock.
CPU Core Clock Multiplier vs. DRAM Interface Speed
100 MHz
CPU Ratio CPU Frequency
DIV Freq.
4 800 MHz 5 160MHz
5 1000 MHz 5 200MHz
6 1200 MHz 6 200MHz
7 1400 MHz 7 200MHz
8 1600 MHz 8 200MHz
9 1800 MHz 9 200MHz
10 2000 MHz 10 200MHz
11 2200 MHz 11 200MHz
12 2400 MHz 12 200MHz
13 2600 MHz 13 200MHz
14 2800 MHz 14 200MHz
15 3000 MHz 15 200MHz
16 3200 MHz 16 200MHz
17 3400 MHz 17 200MHz
* Memory Frequency = CPU Frequency / Division
133 MHz 166 MHz 200 MHz
DIV Freq. DIV Freq. DIV
5 160MHz 5 160MHz 5 160MHz
5 200MHz 5 200MHz 5 200MHz
5 240MHz 5 240MHz 5 240MHz
6 233MHz 5 280MHz 5 280MHz
6 266MHz 5 320MHz 5 320MHz
7 257MHz 6 300MHz 5 360MHz
8 250MHz 6 333MHz 5 400MHz
9 244MHz 7 314MHz 6 366MHz
9 266MHz 8 300MHz 6 400MHz
10 260MHz 8 325MHz 7 371MHz
11 254MHz 9 311MHz 7 400MHz
12 250MHz 9 333MHz 8 375MHz
12 266MHz 10 320MHz 8 400MHz
13 261MHz 11 309MHz 9 377MHz
Introduction
Freq.
17