Best motherboard for PIII overclocking?

Moving Target

Senior member
Dec 6, 1999
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Love my Asus P3V4, the most stable mobo I have ever used. Been running my PIII 600@800 @stock volt. And you can get one from Onvia.com for $109 shipped the last time I looked.

Edit - You have a 600EB, not so good for O/C as you are already @ 133FSB. You should have got a 600E.
 

Poof

Diamond Member
Jul 27, 2000
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Ditto what Moving Target said.

You may want to see if you can sell the 600EB and get a 600E. That way, you'll have more choices of mobos for oc'ing. With the EB, you're limited to the number of mobos that have the option for a FSB that goes near the 150Mhz that would make it worthwhile... BTW, the Abit in my sig supposedly can go to 200Mhz, but will definitely go to 150 - all via the Softmenu III.
 

NOX

Diamond Member
Oct 11, 1999
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MSI makes some great bords too. You may want yo give them a look.
 

compuwiz1

Admin Emeritus Elite Member
Oct 9, 1999
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For the money, MSI 815E pro. Next step up, although I'm not convinced it's necessarilly better is the Asus CUSL2 or CUSL2-C. :)
 

Zedfu

Senior member
Sep 26, 2000
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p3v4x (for slot1), or cusl2(for socket 370). while these two boards are almost identical, they're excellent for overclocking.
 

jose

Platinum Member
Oct 11, 1999
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I vote for the Asus CUBX.

I have 3 of them. Since 933 is about it for the P3 currently, I found it better to go w/ a BX mobo for compatibality & stability. ie. win98se, w2k,
Linux, SCO, NT4.0

Jose
 

Mamoose

Member
May 24, 2000
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P3V4X \ P3 700E cBO \ Muskin CAS2 128 \ 933 @ 133FSB \ "Like a Rock"....Now if my piss-ant little town could go digital? :- 0
 

OddOne

Member
Aug 14, 2000
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Ditto on the P3V4X, but be warned: this board gives you back what you put into it. If you just throw a box together you'll get throw-together performance. But if you're willing to learn how to tweak the board to maximum benefit, it wil reward you with insane performance.

My system in detail:

- P3-700 SL454 (cB0 stepping, week 20 Malaysia retail) overclocked to 1035 MHz (148 MHz FSB), on Asus S370-133 rev. B03 slotket at 1.80v. Cooled by recirculated water and 80-watt TE Dist. potted TEC (Peltier) module.

- Asus P3V4X, with 1005 BIOS. Heatsink compound added to "greenie" (Northbridge heatsink). Heatsink atached to ICS clock generator chip.

- Inwin Q500 full-tower case, with 300-watt Athlon-rated PS. Ambient temps are usually ~30 deg. C during the day. Case modified to add one 120mm case fan to the front, and two top-panel 80mm blowholes for the Senfu radiator fans. Front bezel holes enlarged slightly to increase airflow.

- 2x 128 MB Mushkin rev. 2 Mosel Vitalic SDRAM running at "auto" clock and 2-2-2-5 timings with 4-way interleaving enabled. (Sandra 2000 reports memory clock as 148 MHz, timings at 6-1-1-1/4-1-1-1, 4-way interleaving enabled. Memory benchmark result: 415/477.)

- LeadTek WinFast GeForce2 GTS 32MB DDR, overclocked to 210 MHz core, 360 MHz memory in AGP slot. Drivers are Detonator 3 reference drivers, version 6.31. Highest recorded score in 3DMark 2000 1.1, default benchmark: 7697

- Netgear FA310TX NICs in PCI slot 5.

- Tekram FC395UW SCSI controller in PCI slot 3. SCSI cable quad-folded to make it less intrusive to airflow.

- Creative Labs Sound Blaster Live! Value in PCI slot 4, rev. 2, with LiveDrive connector and digitial-out jack, using LiveWare 3.0 and latest driver revision.

- IBM Deskstar 75GXP 46.5 GB (IDE 0 Master), Seagate Medalist Pro 9.1 GB (IDE 1 Master), and Iomega Zip 100 Insider (IDE 1 Slave) on IDE ports. UltraATA-66 cables throughout.

- Plextor Ultraplex, Plextor Plexwriter, Iomega Jaz, and Umax scanner on SCSI bus.

- MS Intellimouse optical and NMB Right Touch! keyboard.

- Heavily-optimized fresh install of Windows 98 Second Edition. Using VIA's 4-in-1 driver set version 4.25.

- "Massively-multiboot" configuration - 14 Windows versions installed. (The box is used for software development and testing.) Win95, Win95 OSR 2.1, Win98, Win98 SE (two copies), NT 4 Workstation, NT 4 Server, NT 4 Server with BackOffice 4.5, Win2000 Pro (two copies), Win2000 Server, Win2000 Adv. Server, and a backup DOS-prompt with all devices (SCSI devices included) active.

O d d O n e
 

subhuman

Senior member
Aug 24, 2000
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Compuwiz; the CUSL2 is only better in my opinion since it can use all 3 DIMM slots without problems. I don't have much personal experience with the MSI board, but from Anand's review, it said the ASUS CUSL2 was the only 815E board out that could use all 3 DIMM slots at once (at 133mhz CAS2).

This is important for future upgradability. My roommate has a 256PC133CAS2 stick, and 2xMushkin128PC133s, for example...
Also, the ASUS was the only board in Tom's Hardware tests that was rock solid stable at FSBs higher than 160mhz. This too helps to give it a little more future-proofing headroom.

Perhaps you could share your experiences pushing the MSI to it's extreme (ie: 3 Dimms, FSB>160mhz).

But, for now, I suggest the CUSL2 or the CUBX (as mentioned earlier). CUSL2 if you want all the modern conveniences offered by the 815E chipset, or the CUBX if you need more than 512megs of RAM. (And, I'm starting to see that as a serious limitation for futureproofing).

edit: Compuwiz, you may want to reply here instead since my issues are slightly off topic for the original question.