Well, it always depends on the 1800+.. but if your motherboard can support a 200MHz FSB, then I don't think there's a single 1800+ out there that COULDN'T do that. Even Thoroughbred-As could handle that. You might make it way above that if you get a really good chip.
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DEC Pentium X2 5200+ w/ HyperCache (Ezra core)
Asus M7NCD-MAX3 (OPTi Vendetta 82C760)
6x Generic 32MB PC2700 RDRAM (50ns SIMMs)
2x nVidia Millennium X1800 Duo (SLI mode)
12x (daisy-chained) Quantum Medalist 180GXP (w/ separate SCSI-1 adapter)
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