Jumpers - Xilinx ML310 User Manual

Board Hardware
Table 2-25: Front Panel Interface connector, J23
15
16
17
18
19
20
21
22
23
24

Jumpers

MGT VTRX Termination Voltage Jumpers, J10 and J11
The MGT receive termination voltage, VTRX, on the top and bottom MGTs are jumper
selectable via jumpers J10 (top) and J11 (bottom). The onboard regulated VTRX
termination voltage can be configured for AC or DC coupling, 1.8V or 2.5V respectively.
Table 2-26
Table 2-26: Jumper Selection for Top and Bottom MGT VTRX Voltages,J10/J11
All Top
All Bottom
All
ML310 User Guide
UG068 (v1.01) August 25, 2004
J23
Schem Signal
Pin
KBINH
VCC5V
ATX_IDELED_R
VCC5V
PWR_SUPPLY_ON
GND
PB_SYSACE_RESET
GND
PB_FPGA_CPU_RESET
GND
shows the MGT VTRX voltage selections available on the ML310 board.
MGTs VTRX
MGT_VTT
MGT_AVCC
MGT_VTT
MGT_AVCC
MGT_VTT
MGT_AVCC
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Description
Tie this pin to GND to activate Keyboard inhibit, see
ALi M1536D+ data sheet for more details
5V ATX power available to user
ATX IDE access indicator, Tie this pin to Anode of
user's LED and Cathode to GND
5V ATX power available to user
Short this pin to GND to enable the ATX power
supply. Note: This pin cannot be controlled by a
momentary pulse.
Ground
Used to reset System ACE when driven low, as
described earlier, "System ACE Reset, SW1"
Ground
Used to reset CPU when driven low, as described
earlier, "CPU Reset, SW2"
Ground
Jumper
Voltage
(J10)
1.8V Shunt 2 - 3 Open
2.5V Shunt 1 - 2 Open
1.8V Open Shunt 2 - 3
2.5V Open Shunt 1- 2
1.8V Open Open
2.5V Open Open
Jumper MGT RX
(J11) Coupling
AC
DC
AC
DC
Default
Default
R
57