User's Manual

PMAC VME Hardware Reference Manual
6 PMAC VME E-Point Descriptions
E39: Reset-From-Bus Enable
E Point and
Physical Layout
Location Description Default
E39
B5 Jump pin 1 to 2 to permit VME bus reset
line to reset PMAC VME.
Remove jumper so that the VME bus reset
line does not reset PMAC VME.
1-2 jumper installed
E40 - E43: Software Address Control
Jumpers E40-E43 control the software address of the card, for serial addressing and for sharing the servo
clock over the serial connector. Card @0 sends the clock and cards @1-@F receive the clock.
Card Address Control E-Points Default and
Physical Layout
E40
E41
E42
E43
E40 E41 E42 E43 Card Address
Location; All D3
ON ON ON ON @0 @0
OFF ON ON ON @1
ON OFF ON ON @2
OFF OFF ON ON @3
ON ON OFF ON @4
OFF ON OFF ON @5
ON OFF OFF ON @6
OFF OFF OFF ON @7
ON ON ON OFF @8
OFF ON ON OFF @9
ON OFF ON OFF @A
OFF OFF ON OFF @B
ON ON OFF OFF @C
OFF ON OFF OFF @D
ON OFF OFF OFF @E
OFF OFF OFF OFF @F
The card must either be set up as @0, or receiving clock signals over the serial port from another card that
is set up as @0, or the Watchdog timer will trip (red light ON) and the card will shut down.