K7VTA5 v2.x maximum CPU and HDD supported information as below,
HDD:40G
CPU: AMD Duron 200Mhz FSB CPU - 950
           AMD Morgan 200Mhz FSB CPU - 1.3G 
           AMD Athlon 200Mhz FSB CPU - 1.4G AMD Athlon 266Mhz FSB CPU - 1.4G
           AMD Athlon XP (0.18u) 266Mhz FSB CPU - 2100+ AMD Athlon XP (0.13u) 266Mhz FSB CPU - 2600+
           AMD Athlon XP (0.13u) 333Mhz FSB CPU - 3000+

BIOS K7VTA508.bin 日期 11/12/2002可以解决 2400+ 显示为不知道的2000MHz

No, the K7VTA5 V2.2 comes with VIA 8233A chip which supports USB 1.1 only.