Delta Tau Universal PMAC Lite, Hardware Reference Manual

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Universal PMAC Lite
PMAC Lite E-Point Descriptions 29
E86: Host Interrupt Signal Select
E Point and
Physical Layout
Location Description Default
E86 G3 Jump pin 1 to 2 to allow PMAC-Interrupt
to host-PC on IRQ2. No jumper
E87 - E88: Host-Supplied Analog Power Source Enable
E Point and
Physical Layout
Location Description Default
E87
G3 Jump pin 1 to pin 2 to allow AGND to
come from PC bus (ties amplifier and
PMAC Lite GND together. Defeats OPTO
coupling.)
Note that if E87 is changed, E85 and E88
must also be changed.
Also, see E90.
No jumper
E88 H3 Jump pin 1 to pin 2 to allow A-14V to
come from PC bus (ties amplifier and
PMAC Lite power supply together.
Defeats OPTO coupling.).
Note that if E88 is changed, E87 and E85
must also be changed.
Also, see E90.
No jumper
E89: Amplifier-Supplied Switch Pull-Up Enable
E Point and
Physical Layout
Location Description Default
E89 G2 Jump pin 1 to 2 to use A+15V on J8
(JMACH1) pin 59 as supply for input flags.
Remove jumper to use A+15V/OPT+V
from J7 pin 59 as supply for input flags.
Jumper installed
Note : This jumper setting is only relevant if E90 connects pin 1 to 2.