After doing a very quick search I did not find the Shuttle AS45GT/S or AS45GT/R board for sale at a website but you could try calling one of their North American marketing partners for more info. I have been interested in that main board. The distributor ASI in CA has the board listed in their inventory SKU:15999 at http://www.asipartner.com/
Their are two other boards with the SiS 648 including those shown one above the other on a page at vr-zone
EPoX 4SDA5 SiS648 Board at
http://www.vr-zone.com/#2623 and the Gigabyte 8SG667 SiS648 Board shown if you scroll down one item, or go to
http://www.vr-zone.com/#2622 .
I noticed you seemed uninterested in DDR333. The Gigabyte 8SG667 SiS648 Board actually employs the same SiS 648/963 chipset as does the Shuttle AS45GT/R board. The Gigabyte 8SG667 SiS648 Board supports 3 DIMMs providing up to 3GB DDR266 memory or 2GB DDR333/400 memory while the Shuttle AS45GT/R specs 3 x 184-pin DDR SDRAM supporting 6 banks up to 3 GB PC1600/2100/2700 compliant DDR SDRAM and therefore the Shuttle AS45G appears to support 1GB more of the 333MHZ DDR-PC2700 DIMM CL2.5 memory (acheiving DDR667).
Now I doubt if that Gigabyte 8SG667 SiS648 Board actually will now either. I have just learned that according to news reports yesterday, Saturday 8/31/02, both SiS and VIA have declined to support DDR400.
http://www.xbitlabs.com/news/story.html?id=1030841315
That is dissappointing. Although it is probably officially coorect it appears to be somewhat misleading to me. It contradicts the reality of article released just the day before that, Friday 8/31/02, which shows how to set the memory frequencies on the SiS468/963 Shuttle motherboard. to support DDR800.
http://www.xbitlabs.com/mainboards/p4x400-sis648/
The memory enginering is so good they say they can enter BIOS and use the "CPU/RAM Freq Ratio:" menu to set CAS Latency at 3 as well as changing all the other parameters within broader ranges than usual and acheive STABLE support for a wide range of memory speeds up to DDR800. This may explain why the draft specs at the Shuttle website cited before seem to show show support for DDR667 and I have often read and anticipated support for DDR400, in spite of todays news flash that SiS will not support it.
I want one! What do you think about the Shuttle? I wonder too if maybe I should be looking to RDRAM? It's so confusing. The Shuttle AS45GT using SiS648/963 seems to be well engineered. I have read that it shold support DDRII/533. Because it supports voltages up to +0.20V and it has the capability for BIOS FSB step-less settings from 100MHz to 200MHz in 1MHz increments, it seems to be a board that may also allow one to more easily overclock a P4, assuming one can cool it. It has good HW monitoring and controls too.
I'm a network SE (CNE & MCSE) looking to make purchases for the 5-year regular upgrade of my personal primary home-desktop PC. I'm hoping this next one will last 5-years before it begins to drive me nuts like the one I am replacing. My five-year old computer is so sslllooooowwww. I am not focused on, or really knowledgeable about, the new desktop hardware. So if you can keep me informed of what you learn about this mainboard subject, please do.