============================================================================= AST RESEARCH, INC. TECHNICAL BULLETIN #0709 10-14-91 ============================================================================= AST SYSTEMS WITH IBM'S OS/2 EE PROBLEM: When installing IBM's OS/2 Extended Edition 1.30.1 on an AST system, the following error will occur: "Invalid Configuration" [50.09] diskette drives or types mismatch error. Run setup... Press F1 key to continue or Ctrl-Alt-Esc for setup. The above error indicates that the system configuration is lost and setup must be performed for the system to boot properly. SYSTEMS AFFECTED: All AST systems SOLUTION: This is not an issue that AST can resolve. The problem has been corrected by IBM. Customers experiencing this problem should contact IBM at (800) 237-5511 and ask for either CSD 5016 or APAR JR04280. To insure proper installation of the CSD or APAR, customers should follow the process outlined by the IBM readme files.