Intel 21555 User Manual

Page of 26
26
21555 PCI-to-PCI Bridge Evaluation Board User’s Guide  
Signal and Default Information
A.2
JATAG Connector Pinout
 gives the pin assignments between the DE1B55503 schematic and the ten-pin JTAG 
connector. See 
 for the location of this connector.
A.3
Factory Default Switch and Jumper Configuration
The DE1B55503 is configured at the factory for normal or typical operation. 
J8, the stake pin jumper, is not installed
 gives the factory configuration for the switch pack switches.
 gives the configuration of the zero-ohm resistor jumpers. 
Table A-5. J1 JATAG Connector 
Schematic 
Number
Mictor
Pin Number
Mictor
Pin Number
Schematic 
Number
TRST
1
2
GND
TDI
3
4
GND
TD0
5
6
GND
TMS
7
8
GND
TCK
9
10
GND
Table A-6. Switch Pack Factory Defaults
Switches on  Are set at the Factory.
a
a.
The UP position leaves the switch lever pointing towards the
local option sockets.
J9
all switches are in the up position.
J20
SW1, SW2, and SW4 are n the up position
SW3 and SW5 are down.
J21
all switches are in the up position.
Table A-7. Resistor Jumper Factory Defaults
Resistor 
Jumper 
In/Out
Resistor 
Jumper 
In/Out
R65
IN
R92
OUT
R68
OUT
R93
OUT
R69
OUT
R95
OUT
R72
IN
R97
IN
R73
IN
R115
IN
R91
IN
R116
OUT