---- P2Z-B------ ----- Manual ------- p2zb-101.pdf PCB Rev.1.01/English (E344) ------- BIOS ------------- zx2b108a.zip P2Z-B( Intel 440ZX chipset ) M/B , PnP BIOS 1008a 03/25/99 1. First Release zx2b1009.zip P2Z-B( intel 440ZX Chipset ) M/B , PnP BIOS 1009 05/10/1999 1. Microcode update for P3 550 CPU upgraded to revision 005. 2. Fix for serial port failure running Windows 2000. 3. Added keyboard wakeup item with three choices of key combinations for models with W977 IO chip. 4. Fix for CPU clock detection error when speed > 512MHz. 5. Upgraded L2 cache reference code to Revision 3.4. 6. Added microcode update support for PIII C0 stepping. (550MHz part) zx2b1011.zip P2Z-B( intel 440ZX Chipset ) M/B , PnP BIOS 1011 10/22/1999