L7VMM v1.0x maximum CPU and HDD supported information as below,
HDD:250G
CPU: AMD Duron 200Mhz FSB CPU - 900 AMD Duron 266Mhz FSB CPU - 1800
          AMD Morgan 200Mhz FSB CPU - 1.3G
          AMD Athlon 200Mhz FSB CPU - 1.3G 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+

Yes, new BIOS codes have been added since BIOS version V1.0 to support Thoroughbred CPUs.

Yes, the L7VMM V1.0A supports hard drive capacity up to 160GB.