Specifications

7-6 Compaq AlphaServer ES40 Users Guide
7.1.3 No MEM Error
If the SROM code cannot find any available memory, a 1-3-3 beep code
is issued (one beep, a pause, a burst of three beeps, a pause, and
another burst of three beeps), and the message “No MEMis displayed.
The system does not come up to the console program. This error
indicates missing or bad DIMMs.
The console terminal displays text similar to the following:
Failed M:1 D:2
Failed M:1 D:1
Failed M:0 D:2
Failed M:0 D:1
Incmpat M:3 D:6
Incmpat M:3 D:5
Incmpat M:2 D:6
Incmpat M:2 D:5
Missing M:3 D:2
Incmpat M:3 D:1
Illegal M:2 D:2
Incmpat M:2 D:1
No usable memory detected