Ground; Fan Power; Table 10-3. Ground Connectors -J1, J2, J7, J9, J10, J12, J17, J18, J23, J24; Table 10-4. Fan Power Signals-J4 - IBM PPC750FX User Manual

Evaluation Board Manual
PPC750FX Evaluation Board

10.2 Ground

Test points for grounding logic analyzers and other test equipment are available on these connectors. These
are 1x1 Berg type connectors.
Figure 10-3. Ground Connectors—J1, J2, J7, J9, J10, J12, J17, J18, J23, J24
Table 10-3. Ground Connectors —J1, J2, J7, J9, J10, J12, J17, J18, J23, J24
Pin
1 GND

10.3 Fan Power

There is one connector available at J4 for powering the fan that cools the two processor chips.
Figure 10-4. Fan Power Connector—J4
Table 10-4. Fan Power Signals—J4,
Pin
1 GND
2 +5V
Fan feedback
3
Note: A low (near 0V) feedback signal from the fan is an indication that the fan is running.
Connectors
Page 56 of 115
1
Signal Name
2 3
1
Signal Name
Preliminary
750FXebm_ch10.fm
June 10, 2003