NOTE: for: S1680S Tahoe AT S1682D Tahoe 2 ATX S1684SA Tahoe-A ATX S1686S Tahoe Plus ATX Single Processor Boards Only. (S1682D PRE-REV 5) Pentium II AMI BIOS Ver 2.0 - Support 1GB memory, APM switch fix, switch for Assign IRQ to VGA IDE spin downfix.