Xycom XVME-678 Manual page 111

5.2.4 Set LED Configuration
XVME·6781688 Manual
July 1994
This function can be used to alter the state of the front panel LEDs. Possible LED states are
Passed
Testing
Other
Failed
Green LED on, red LED off
Green LED on, red LED on
Green LED off, red LED off
Green LED off, red LED on
The previous configuration is returned upon completion.
Int ISh
Function AFH
Call With:
Returns:
Subfunction
04H
AH
=
AFH
AL
=
04H
BX
=
Desired LED configuration
o .
Passed
I • Testing
2· Other
3 . Failed
If error: Carry Flag Set
If successful:
Note:
AH
=
Error Code
DI
=
"XY"
Carry Flag Clear
AH
=
0
01
=
"XY"
BX
=
Previous LED configuration
O· Passed
I . Testing
2· Other
3 . Failed
The
XVME·678/688
asserts the VMEbus SYSFAIL signal when the fail LED is on (Fail and Testing LED
configurations) and Switch SWI position 3 is closed.
5·7