P4X333/400 DDR 266/333/400 ECC support, (up to 8GB memory), V-Link 533 MB/s, AGP 4x/8x, QDR support, optional VPX-II for PCI 64-bit (66 Mhz) samples available 1Q, mass production 2Q of year 2002
P4M333 DDR 266/333 ECC support, Integrated graphics core Zoetrope GFX, V-Link 533 MB/s, AGP 4x/8x, samples available end of Q1, mass production end of Q2 year 2002
P4X600 DDR 333, 128 bit DRAM controller, QBM (up to 5.4 GB/s), V-Link 533 MB/s, AGP 4x/8x, mass production Q2 year 2002.
P4X800 not much info on this chipset, supposedly it will offer support for DDR II
Chipsets for AMD platform:
KT333/333A VIA engineers are not quite sure which is which themselves, should feature the following: DDR 333 support, AGP 4x/8x, V-Link bus 533 MB/s, USB 2.0 и ATA 66/100/133.
KT400 DDR 333/400 support, V-Link 533 MB/s, AGP 4x/8x, samples shipping March 2002, mass production Q2 year 2002.
KM333 DDR 333 support, Zoetrope GFX,AGP 4x/8x, V-Link 533 MB/s,AGP 4x/8x, mass production 1Q year 2002.
K8HTB DDR266/333 support, 8X V-Link 533 MB/s, AGP 4x/8x, samples shipping April 2002, mass production Q3 year 2002.