User's Manual

Turbo PMAC PCI HRM
28 Main Board E-Point Descriptions
E115
A3
Caution:
The jumper setting must match the type of
driver IC, or damage to the IC will result.
Jump pin 1 to 2 to apply GND to pin 10 of U53
AENAn and EQUn (should be ULN2803A for
sink output configuration).
Jump pin 2 to 3 to apply A+15V/A+V (as set by
E100) to pin 10 of U53 (should be UDN2981A
for source output configuration).
1-2 Jumper installed
E121 - E122: XIN Feature Selection
E Point and
Physical Layout
Location Description Default
E121
F1 Jump 1-2 to bring the QuadLoss signal for
Encoder 7 into register XIN6 at Y:$070801 bit 6.
Jump 2-3 to bring the QuadLoss signal for
Encoder 6 into register XIN6 at Y:$070801 bit 6.
1-2 Jumper installed
E122
F1 Jump 1-2 to bring the PowerGood signal into
register XIN7 at Y:$070801 bit 7.
Jump 2-3 to bring the QuadLoss signal for
Encoder 8 into register XIN7 at Y:$070801 bit 7.
1-2 Jumper installed