Asus P4B533-E AGP/PCI Freq Tests

[Mikki]

These tests were done using a PCI Bus Analyzer


AGP/PCI Lock Test

With the freq setting set at 33.3mhz, I tested each fsb setting from 100fsb to 220fsb. The lock worked fine, without so much as a flux. I had two hiccups along the way where my system failed to boot—one at 178fsb and the other at 201fsb. Both times the PCI bus freq was 33.5mhz, and both times I re-booted and it booted fine.

At regular intervals I ran a benchmark and copied a large file from my cd-rom in an attempt to load the bus, and the freq never wavered.

I also tried setting the freq setting at different freq’s and at different fsb’s and all seemed to work fine.

AGP/PCI Auto Setting Test

This is where it get’s interesting. I set the freq setting to Auto, and then tested each fsb setting from 100fsb to 220fsb. Here are my results:

FSB(mhz)—PCI Bus freq(mhz)
100—33.6
101—33.7
102—34.0
103—34.3
104—34.6
105—35.0
106—35.3
107—35.7
108—36.0
132—36.0 108fsb to 132fsb—36.0
133—33.6
134—33.4-33.5
135—33.7
136—34.0
137—34.2
138—34.4-34.5
139—34.7
140—34.9-35.0
141—35.2
142—35.4-35.5
143—35.7
144—36.0
161—36.0 144fsb to 161fsb—36.0
162—33.5 Failed boot
163—36.0
169—36.0 163fsb to 169fsb—36.0
170—33.5 Failed Boot
171—36.0
209—36.0 171fsb to 209fsb—36.0
210—33.5 Failed boot
211—36.0
220—36.0 211fsb to 220fsb—36.0

PCI Bus Overclocking Test
33.3mhz to 38.7mhz worked as advertised, settings above fluxuated
39.0mhz = 38.9-39.0mhz
39.3mhz = 39.2-39.3mhz
39.6mhz = 39.5-39.6mhz
39.9mhz = 39.8-39.9mhz
40.2mhz = 40.1-40.2mhz

[ErikaeanLogic]

hey, this looks familiar;)!