Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options answers only not deleted user 10666

Use this tag for questions about the specialist diagnostic software provided by manufacturers, or built into equipment. Do not use this tag for questions generally asking how to diagnose a problem or diagnostic techniques.

6 votes
Accepted

Please Identify this Apple II Diagnostic Message: "IOU FLAG E5: 1 2 3 4 8"

From the Apple Technical Information Library at https://mirrors.apple2.org.za/: IOU FLAG E5:0 The 80VID switch didn't initialize properly during reset. 1 The ALTCH …
Michael Graf's user avatar
  • 10.4k