Delta Tau Turbo PMAC PCI-Lite, Hardware Reference Manual

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Turbo PMAC PCI Lite
30 E-Point Jumper Descriptions
E7: Machine Input Source/Sink Control
E Point and
Physical Layout
Location Description Default
E7 A6 Jump pin 1 to 2 to apply +5V to input reference
resistor sip pack. This will bias MI1 to MI8 inputs to
+5V for OFF state. Input must then be grounded for
ON state.
Jump pin 2 to 3 to apply GND to input reference
resistor sip pack. This will bias MI1 to MI8 inputs to
GND for OFF state. Input must then be pulled up for
ON state (+5V to +24V).
1-2 Jumper installed
E10A, B, C: Flash Memory Bank Select
E Point and
Physical Layout
Location Description Default
E10A
E10C
A2 Remove all three jumpers to select flash memory bank
with factory-installed firmware.
Use another configuration to select one of the seven
other flash memory banks
No jumpers installed
E17A-D: Amplifier Enable/Direction Polarity Control
E Point and
Physical Layout
Location Description Default
E17A A8 Jump 1-2 for high-true AENA1.
Remove jumper for low-true AENA1. No jumper installed
E17B A8 Jump 1-2 for high-true AENA2.
Remove jumper for low-true AENA2. No jumper installed
E17C A8 Jump 1-2 for high-true AENA3.
Remove jumper for low-true AENA3. No jumper installed
E17D A7 Jump 1-2 for high-true AENA4.
Remove jumper for low-true AENA4. No jumper installed
Note : Low-true enable is the fail-safe option because of the sinking (open-collector) ULN2803A output driver IC.