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Overclocking my 3200+ to 3500+ speeds

S

supastar1568

Senior member
ok guys, i have a Gigabyte GA-k8n Ultra 9 mobo.

I currently have an Athlon 64 3200+ winchester running at stock speeds (2.0)

Im planning on purchasing a 7800GT/7800GTX soon, and I dont feel like buying a new CPU and I heard that running 2.2-2.3 GHz is ideal for these vid cards.

I plan on using the stock heatsink and fan.

What would be the best way to get this to 2.2GHz

could i just set the HTT to 220 and with the 10x multiplier it would give me 2.2GHz?

that seems much too easy

any ideas?
 
You will have to drop the LDT multiplier to x4 (it might be also labeled as 800MHz HyperTransport Tunnel or something like that).

Also, what RAM do you have? It might not be able to handle running at 220MHz.
 
ya, thats what i was thinking

i have corsair pc3200 value ram

isnt that only up to 200Mhz?

which would mean i would have to change the fsb:ram ration or overclock the RAM

is this correct? which should i do?

 
Here's what you should do.

1. Drop the LDT Multiplier to 4X
2. Set a 5/6 Divider on the RAM
3. Bump the CPU voltage up by 0.05
4. Turn the HTT up to 220MHz
5. Boot into Windows
6. Run Prime95 for a few hours

*Optional: After doing all that, see if you can turn the voltage down a little bit*
 
Why does the LDT multiplier have to be dropped to 4X? Are there issues associated with running HHT frequency at 1100Mhz?
 
ok just entered my BIOS's overclocking utility:

These are my options and in the [ ] is what its set at:

CPU Frequency [200] Gives me the options to change it to 201,202, ..etc
CPU Spread Spectrum [Center Spread] Gives me the option to disable
PCI-E Clock [100 mHz] Gives me the option to go to 101, 102, ..etc
K8 CPU Clock Ratio [Default] Gives me the option to x4 800mHz, x4.5 900 mHz, x5 1000mhz, ...etc
CPU Voltage Control [Normal] Gives me the option to go to .800v, .825V, .850V etc.
Chipset Core PCI-E Voltage [Normal]
HT Link Voltage Control [Normal] Gives me the option to go +.1v and +.2v
DDR Voltage Control [Normal] Gives me the option to go +.1v and +.2v


by giving the LDT multiplier to 4X i would obviously change the "K8 CPU Clock Ratio" to the 4X one.

How would i set a 5/6 divider on the RAM with these settings? Which setting to change?

And to bump up the CPU voltage I would obviously choose 1.45 under "CPU voltage control"

and to turn the HTT up to 220MHz i would change the "CPU frequency" to 220 instead of the 200 its at now

so how would i set a 5/6 divider on the RAM?
 
Look around for ram settings. Look around the BIOS till you see a section with the words Cas, Tras, RAS to CAS etc. You should find the divider there.
EDIT: Keep the PCI-E freq at 100 MHz and the PCI freq at 33-34MHz (lock it)
 
i havent touched anything yet. Im gonna have to look up how to lock the PCI frequency

also, i went to that part of the bios and got:

Cas # Latency CL=2.5
Row Cycle Time 10 Bus Clocks
Row Refresh Time 12 Bus Clocks
Ras# to Cas# Delay 3 Bus Clocks
Row to Row Delay 2 Bus Clocks
Min Ras# Active Time 7 Bus Clocks
Row Precharge Time 3 Bus Clocks
Write Recovery Time 3 Bus Clocks
Write to Read Delay 1 Bus Clock
Read to Write Delay 4 Bus Clocks

I dont know which to change and what to leave
 
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