Adaptec AEC-4412B User Manual

Also see for AEC-4412B: Technical specifications

Contents

6-2AEC-4412B/7412B User’s GuideAEC-4412B/7412B User’s GuideStock Number: 511640-00 Rev B Page: 6-2Print Spec Number: 497358-00Current Date: 3/19/98 ECN Date: 3/20/984 When the Flash Loader Utility appears, select option 5 to con-tinue to boot the controller.Note: Some terminal emulators don’t immediately change tothe new baud rate settings, and you have to exit and restartthe emulator to use the new values.Problem: Nothing is displayed on the terminal emulator.The probable cause of this problem is a bad RS-232 cable connectionor swapped transmit/receive lines. If the cable is properly con-nected on both ends, try a “null modem” adapter that will reversethe RS-232 transmit and receive signals. The need for a null modemadapter will depend on both your enclosure and the RS-232 cableyou are using.Problem: Screen is updated, but won’t respond to keystrokes.Disable Hardware flow control on the terminal or terminal emulator.The AEC-4412B/7412B supports XON/XOFF flow control andworks properly in most cases with no flow control.Problem: Screen looks correct, but clock is not being updated.Check to be sure that enclosure containing the AEC-4412B/7412B isstill powered on. If you are using XON/XOFF, press the Ctrl keyand the Q key simultaneously.Problem: Screen is updated and menus appear right, but boxes aroundmenus look incorrect.Try a different font in your terminal emulator program, such as “Ter-minal.” If you cannot find a font that looks correct, set ASCII Dis-play to Yes in the Display options item of the Configuration menu.Host SCSI Channel ProblemsProblem: The AEC-4412B/7412B is not displayed during the host SCSIBIOS scan.Verify that the AEC-4412B/7412B Administrator Utility is workingproperly via the RS-232 connection. Check that the SCSI cable to thehost is attached to the proper connector of the enclosure. The con-nector is typically labeled “Host in” or “Host connection.” Checkthat your host interface daughter board type—single-ended or dif-ferential—matches the type of your host SCSI connection.