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Pentium II 233 Overclock

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Name: mr_bigmouth_502
Date: May 4, 2008 at 02:01:02 Pacific
OS: Win98SE/Win2000Pro dual b
CPU/Ram: Pentium II 233MHz/384MB
Product: home built :)
Comment:

I had a big pile of spare computer parts lying around recently, so I decided to put them all together and create my first homebuilt system. Surprisingly enough, it works great, but I'd like to push it a bit further. I was thinking of OCing it from 233MHz to 300MHz, but I just wonder, is this too much for a first-time OCer like me to handle? I just need an opinion, that's all.



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Response Number 1
Name: Mattwizz3 (by mattwizz3)
Date: May 4, 2008 at 07:35:38 Pacific
Reply:

You probably wont see a huge improvement from 233 to 300. I have 233MHz,266MHz,350MHz and 400MHz PII systems and to be honest the performance difference is pretty small. In the end, the computer is gonna be slow, if its slow at 233 or 300 makes little difference.

With that said, we need to know what the motherboard model you have before we know if you can O/C this rig. If its made by Intel, you cant over clock at all. It's always fun to push them and see how fast it will go I suppose, I just haven't been using any of my older computers for the past year, and have lost my patience for them.

Mattwizz3

My Super P3
PIII-S @ 1.5GHz
768MB PC133 @ 145MHz
128MB 9550 340/240
Now with a new motherboard and AGP4X!!!


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Response Number 2
Name: Ganesh Mayan
Date: May 4, 2008 at 08:51:12 Pacific
Reply:

Below is my computers information: Maximum Memory Capacity: 3072MB Currently Installed Memory: 640MB Available Memory Slots: 0 Number of Banks: 3 Dual Channel Support: No CPU Manufacturer: GenuineIntel CPU Family: Intel(R) Pentium(R) 4 CPU 1.70GHz Model 1, Stepping 2 CPU Speed: 1700 MHz Currently installed memory: 128MBSDRAM, PC133 256MBSDRAM, PC133 256MBSDRAM, PC133 Each memory slot can hold SDRAM, PC133 with a maximum of 512MB per slot.* ******************************************** Pls tell me which memory can i buy from the list below: 512MB Part #: CT64M64S4D75 • SDRAM, PC133 • CL=3 • Unbuffered • Non-parity • 133MHz • 3.3V • 64Meg x 64 512MB Part #: CT64M64S4D7E • SDRAM, PC133 • CL=2 • Unbuffered • Non-parity • 133MHz • 3.3V • 64Meg x 64 512MB Part #: CT64M72S4D7E • SDRAM, PC133 • CL=2 • Unbuffered • ECC • 133MHz • 3.3V • 64Meg x 72 Many Thanks..cheers regards Ganesh

Ganesh Mayan


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Response Number 3
Name: mr_bigmouth_502
Date: May 4, 2008 at 08:59:53 Pacific
Reply:

Lucky for me, it's an ASUS motherboard of some kind (I'll have to run aida16 to get the exact model). But anyhow, it's an early ATX mobo, so it still uses jumpers for the FSB and multiplier. The main reason why I want to overclock it, BTW, is because I've always been curious about overclocking, but I've never found a system with so much OC potential before. I'm not really aiming to improve performance (it already runs great).


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Response Number 4
Name: jam
Date: May 4, 2008 at 09:19:47 Pacific
Reply:

The CPU muliplier is locked at 3.5x so changing it will do you no good & I'm reasonably sure that the board has no way to lock the PCI bus at it's default (33MHz). All you can do is raise the FSB from 66MHz to 75MHz...that will put the CPU speed at 262.5MHz & the PCI bus at 37.5Mhz.

If your board supports 100MHz FSB, you can try it...that will put the CPU at 350MHz & keep the PCI at 33MHz, but then you have the RAM to contend with. Do you have PC100?

"And that's the fishing line, because Sharkboy said so!"


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Response Number 5
Name: mr_bigmouth_502
Date: May 4, 2008 at 09:40:33 Pacific
Reply:

How is the multiplier locked at 3.5x? The motherboard manual clearly says that there's a jumper on the motherboard to change the multiplier (even though they reccomend against OCing, but I know that they're just saying that to cover their butts)... Besides, didn't Intel start locking the multiplier with their later chips, like the Pentium 4?


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Response Number 6
Name: jackbomb
Date: May 4, 2008 at 12:15:50 Pacific
Reply:

No, Intel started their locked multiplier business with the P2.

However, there seems to be quite a few unlocked first-gen P2s (Klamath core) floating around. I have two unlocked Klamaths--a 233 and a 300. It wouldn't hurt to adjust the multiplier just to see what happens. If your P2 is locked, then your system will either (a) fail to POST, or (b) POST, but remain at the 3.5 setting.

Watch out! Klamaths are warm-running CPUs (2.8v), so make sure that you've got adequate cooling. Running overclocked, they heat up rather quickly.

The creme de la creme of Socket 939:
Opty 185 @ 3.2GHz
SLI'ed GTS-640s, both flashed to 625/1458/1950
4GB PC3200
Blu-Ray/HD-DVD, X-Fi
A8N32-SLI Deluxe
3DMark06: 13896


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Response Number 7
Name: mr_bigmouth_502
Date: May 4, 2008 at 23:24:33 Pacific
Reply:

I know for a fact that mine is a Klamath, so I'll try increasing the multiplier to see if it does anything...

EDIT: Cooling shouldn't be a problem, as the case it's in has LOTS of breathing room, and it doesn't usually run that hot anyhow (even when I run demanding applications).


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Response Number 8
Name: NAN
Date: May 6, 2008 at 04:16:22 Pacific
Reply:

try to increase the FSB but keep ty pci,RAM,clock and voltage at stock first if u can. I have an P4 1.4GHZ, i will try to have fun with it this summer see how far i can push before smoke come out.


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Response Number 9
Name: wemby089
Date: May 6, 2008 at 11:41:29 Pacific
Reply:

You wont see smoke as the p4 is thermal protected, get a nice athlon thunderbird and you can make a fire...


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Response Number 10
Name: NAN
Date: May 6, 2008 at 23:50:30 Pacific
Reply:

" p4 is thermal protected"
True, but they are not over-volted protected 8)


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Response Number 11
Name: OtheHill
Date: May 7, 2008 at 13:02:45 Pacific
Reply:

Following this thread and thought the OP had a P2.


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Response Number 12
Name: mr_bigmouth_502
Date: May 7, 2008 at 15:54:09 Pacific
Reply:

I sure do, and its a great system for running classic games. :)


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Response Number 13
Name: adz929
Date: May 8, 2008 at 17:51:41 Pacific
Reply:

You want to play classic games??? Buy a Commodore 64!!!

I actually have a dual cpu SuperMicro board with a pair of PII 233's overclocked to 262MHz (75MHz FSB). I don't actually have a use for it anymore, but it was quite fun. Did a great job as a Apache box for all the Perl and PHP scripting I was doing at the time.

My Amiga 500 Rocks!!!


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Response Number 14
Name: mr_bigmouth_502
Date: May 9, 2008 at 14:17:52 Pacific
Reply:

No thanx. The C64 was a revolutionary system, but it's a bit too oldskool for my liking. :P I grew up playing SNES games and PC games for Win95/98 instead.


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Response Number 15
Name: adz929
Date: May 9, 2008 at 15:33:39 Pacific
Reply:

At least give a C64 emulator a go. The C64 had some of the best games I've ever played!

My Amiga 500 Rocks!!!


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Response Number 16
Name: mr_bigmouth_502
Date: May 12, 2008 at 16:08:47 Pacific
Reply:

Well, a few hours ago, I successfully OC'd it to 266MHz. I actually noticed a speed increase! It's running stable too! :D All I had to do was just change a few jumpers on the mobo.


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