DEC DECstation 5000 Model 100 Series, Maintenance Manual, Page: 252 / 269

Font Test
The font test fills the monitor screen with a specified character.
To run the Font test, type x03, and press Return.
Replace x with the graphics module unit number.
Replace the optional parameter P1 with the hexadecimal
value for the specific character you want to display. Replace
P1 with 0 to display all fonts.
Font test parameters and error codes
The parameter P1 used in font test commands and error
messages is the hexadecimal value for the character displayed
on the monitor. The font test generates no error messages.
Interrupt Test
The interrupt test attempts to initialize the VDAC interrupt
line. To run the interrupt test, type x04, where x represents the
graphics module unit number, and press Return.
Interrupt test error codes
If the interrupt test returns error code 1, the VDAC did not
receive the interrupt.
Box Test
The box test lights pixels at the monitor’s perimeter. To run
the box test, type x11, where x represents the graphics module’s
unit number, and press Return.
Box test parameters and error codes
The box test reports no test parameters or error codes.
F–46 Test Commands and Messages Produced by Version PDE3 ROM Chips