P4B266
- BIOS Upgrade and Road Map :  
1003.zip  P4B266 BIOS Ver. 1003 12/12/2001 
 Add Smart Card Reader item option.
 Fix system hangs at POST code "EE" sometimes.
 Fix NT 4,0 boot fails if speech is enabled.
 Rename "USB Function" item to "USB 1.1 Function".
 Fix system hangs sometimes when CPU frequency is set to 133MHz and CPU/memory frequency ratio is set to [3:4].