Commodore 1581 - Page 18

1581 LOGIC DIAGNOSTIC
VERSION 1.5.1
* If (y)es is selected, the Activity LED Flash Sequence is interpreted
using the Error Flash Code Chart
pene --- = ee ee es ss + + + + + +
ERROR FLASH CODE CHART
+------------------------- +----------------------- $ew—————— = +
FLASH 1581 IC 1581 IC
CODES FAILURE LOCATION
+-------------~----------- +-------~---------------- +-------------- +--+ +
1 FLASH SYSTEM OK NO FAILURE
2 FLASHES DOS ROM U2
3 FLASHES DOS RAM U3
4 FLASHES 8520 CIA Us
5 FLASHES WD1770/1772 FDC U4
6 FLASHES ILLEGAL
$—------------------------- +----------------------- 5 +
$---------~ +++ + + + + + + + +
ONCE A SUCCESSFUL DOWNLOAD IS COMPLETE THE LOGIC DIAGNOSTIC WILL
OPERATE COMPLETELY INTERNAL TO THE DRIVE AND THE C128/C128D NEED
NO LONGER BE CONNECTED
* Once the Logic Diagnostic Code has been Downloaded, the Drive Must
be Reset before any Disk Access can be accomplished
* Turn Drive Power OFF and ON
* Press RETURN - Return To Menu
Displays Logic Diagnostic Main Menu
LOGIC DIAGNOSTIC OPTION THREE - LOAD DIAGNOSTIC MENU
* Insert Version 1.5 Diagnostic Diskette
* Press (8) - Load Diagnostic Menu from Device Number [8]
* Press (9) - Load Diagnostic Menu from Device Number [9]
*
Press RETURN -Return To Menu
Displays Logic Diagnostic Main Menu
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