IBM 5280 Technical Newsletter page 65

931
POWER-ON CHECKOUT AND IPL (continued)
CQ
Does the display screen contain 2 • symbols and 10'
dashes?
Ves
I
No
I
The main MPU sets the IPL load parameters and checks
the main storage size.
I
Does the display screen contain 1 • symbol and 11
Initial program load program failed to load properly.
• •
Main. storage size check failed. The diskette needed more
main storage than was found in the main storage check.
dashes?
Ves---------------------------------I
I
No
I
All MPUs complete their checkout and all keyboard
•
speakers are activated (second long tone).
I
Power-on checkout and IPL sequence did not complete.
Did any of the keyboard speakers sound a tone? No --------.
I
Ves
I
Power-on checkout and IPL sequence is complete.
A load prompt is displayed.
931
Power-On Checkout and IPL 173