VOGONS


First post, by s.mouse

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Hey Guys,

Just sharing my experience and thoughts I've pondered brought about by my year 2000 pentium 3 voodoo 5 build

The star of the show is the gorgeous Asus P3C-E featuring the infamous intel 820 chipset. This is the version of the chipset without the additional MTH chip so utilises RD ram which is the preferred configuration for this chipset as the optional MTH chip which allowed the use of SD ram brought with a myriad of problems and was recalled. Asus actually supplied an optional adapter with the MTH chip and sd ram slots which i also have

According to a toms hardware archive as of december 1999 a 128mb 600mhz rambus module cost $900-950, 700mhz $985-1029 and 800mhz $1025-1107 some months later from April 2000 a Computerworld article mentions the cheapest Kingston 128mb module cost $722 while a 128mb sd ram module costed $179 for a negligible performance difference.

Due to the prices of RD ram its clear why the 820 chipset was never successful. Testing of the platform myself using RD ram i have found it to be excellent; fast and very stable

I cant help but feel it isn’t a very typical build of the time as you would have to be very uninformed or be an extreme enthusiast with boat loads of cash to burn to obtain such a setup at the time

It really was a blunder on intel’s behalf and makes for an interesting curiosity

I would be very interested to hear if you or someone you know went out and built/ bought a rambus pentium 3 if so please let me know

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Asus riser 2 MTH adapter
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Reply 1 of 6, by VivienM

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I had a Rambus P4 Willamette in late 2001; if you were an Intel fanboy (which I had become by that point), you didn't really have much of a choice...

Rambus P3s were more rare because you had the 440BX and then the i815 as an option almost all of the time, so it would have only been for a few months that if you wanted the super-duper-highest-performance machine with the 133FSB, you needed RDRAM...

The P4, though, was intended to be all RDRAM. They eventually hacked SDRAM support which originally wasn't a good fit for performance, then DDR, then it was really only with the i865/i875 that the P4 world moved past RDRAM...

Reply 2 of 6, by PC@LIVE

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I have a P4 PC with RDRAM, like P3 I have a 820 Supermicro, unfortunately it uses normal PC133 RAM, lately I don't know if one or more years ago, I did a repair job, maybe there is still something to change, unfortunately there are problems that I can't say whether due to MTH or something else.
I think if working, that PC loses performance, the P4 with RDRAM is visually (and not only) faster than another P4 with PC133 RAM.

AMD 286-16 287-10 4MB HD 45MB VGA 256KB
AMD 386DX-40 Intel 387 8MB HD 81MB VGA 256KB
Cyrix 486DLC-40 IIT387-40 8MB VGA 512KB
AMD 5X86-133 16MB VGA VLB CL5428 2MB and many others
AMD K62+ 550 SOYO 5EMA+ and many others
AST Pentium Pro 200 MHz L2 256KB

Reply 4 of 6, by dionb

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i820 was a developmental (Caminogate, MTHgate) and commercial disaster, but taken on its technical merits and paired with PC800 RDRAM, it was an excellent - if legacy-free - chipset. Performance was not significantly better than i440BX, but it gave you 133MHz FSB without overclocking, AGP 4x and ATA-66 or 100 (depending on ICH version), and PCI performance was better.

I have a P3C-D system with 2x P3 933EB and two really fast 15k RPM SCSI drives. It truly flies 😀

What I wonder: how does that ISA slot on the P3C-E work under DOS? I have one too, but it's dead and I haven't been able to resurrect it yet :'(

Reply 5 of 6, by Shponglefan

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Did some research on the i820 platform awhile back. It looks like an intriguing setup, although definitely not at all common.

Very nice looking case, btw!

Pentium 4 Multi-OS Build
486 DX4-100 with 6 sound cards
486 DX-33 with 5 sound cards

Reply 6 of 6, by swaaye

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As long as you run PC800, it's a nice performant chipset. Of course at the time they would try to sell you PC600 or PC700. And if you wanted to upgrade your RAM you were in for a pricey surprise.