Nortel Circuit Card Installation Manual page 191

ITP connector (25 PIN, Debug Only)
Figure 28
ITP connector pin outs
Pin Signal Name
P1 GND
P3 BPM0N
P5 BPM1N
P7 BPM2N
P9 BPM3N
P11 BPM4N
P13 BPM5N
P15 ITP_CPURSTN
P17 TCK
P19 CLK
P21 CLKN
P23 BPM5N
P25 GND
Post 80 Debug LEDs (Optional)
CP PIV has post 80 debug LEDs to assist in debugging the board and solving
boot related problems. Using a GPCS from Super I/O X-bus, data lines are
latched using latch 74F374. These help identify Post 80 codes. This feature is
available only in debug boards.
NT4N39AA CP Pentium IV Card
Pin
P2 GND
P4 NC
P6 RESETN
P8 GND
P10 TDI
P12 TMS
P14 TRSTN
P16 TCK
P18 NC
P20 GND
P22 PWR
P24 TDO
Circuit Card
Page 191 of 906
Signal Name
Description and Installation