Epson Endeavor User Manual - Page 117

System diagnostic tests (continued) Device Tests available Description Video Adapter Keyboard Adapter check Attribute check Character set check Graphics mode check Screen paging check Sync check Run all above checks Tests the operation of the built-in VGA display adapter Tests the operation of your keyboard by displaying an asterisk on a keyboard diagram for each key you have pressed l The Write, read check destroys data on the disk. Be sure to back up data on a hard disk or insert a blank, formatted diskette before running this test. Error Messages The following table lists all the error messages that may appear during System diagnostic testing. System diagnostic error messages Error code System board 0101 0102 0103 0104 0105 0105 0106 0107 0108 0108 0108 0109 0110 0111 Message CPU error ROM checksum error Timer counter register error Timer counter error Refresh error DMA controller register error DMA page register error Refresh error Keyboard controller timeout error Keyboard controller self diagnostic error Keyboard controller write command error CMOS checksum error CMOS shutdown byte error CPU instruction error 4-8 Running System Diagnostics