Tag: reference

  • IBM PC DOS ERROR CODES

    Date: 8 Jun 1984 10:21:52 PDT Subject: Diagnostic Error Codes code Description 101 Main system board failed. 109 Direct memory access test error 121 Unexpected hardware interrupts occurred. 131 Cassette wrap test failed. 199 User indicated configuration not correct. 201 Memory test failed 301 Keboard did not respond to software reset correctly or a stuck […]