PMAC PCI Lite Hardware Reference Manual
E-Point Jumper Descriptions
41
E109: Reserved for Future Use
E Point and
Physical Layout
Location Description
Default
E109
B6
For future use.
No jumper
110: Serial Port Configure
E Point and
Physical Layout
Location Description
Default
E110
A7
Jump pin 1 to 2 to use the J4 connector as RS232.
Jump pin 2 to 3 to use the J4 connector as RS422.
This jumper must be set the same as E111 (only RS-
422 can output phase and servo).
1-2 Jumper installed
E111: Clock Lines Output Enable
E Point and
Physical Layout
Location Description
Default
E111
A7
Jump pin 1 to 2 to enable the Phase, Servo and Init
lines on the J4 connector. Jump pin 2 to 3 to disable
the Phase, Servo and Init lines on the J4 connector.
E111 on positions 1 to 2 is necessary for daisy chained
PMACs sharing the clock lines for synchronization.
This jumper must be set the same as E111 (only RS-
422 can output phase and servo).
2-3 Jumper installed
E119: WATCHDOG DISABLE JUMPER
E Point and
Physical Layout
Location Description
Default
E119
B1
Jump pin 1 to 2 to disable Watchdog timer (for test
purposes only).
Remove jumper to enable Watchdog timer.
No jumper
E122: XIN Feature Selection
E Point and
Physical Layout
Location Description
Default
E122
B7
Jump 1-2 to bring the Power Good signal into register
XIN7 at Y:$E801 bit 7.
2-3 Jumper installed
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