Evaluation Board Manual
PPC750FX Evaluation Board
Preliminary
Board Design
Page 26 of 115
750FXebm_ch2.fm
June 10, 2003
2.13.4 SDRAM Voltages
An on-board regulator su2.5V to the DDR SDRAM. This voltage is also the supply for the DRAM
interface in the system controller.There is also a +1.25V reference voltage provided to the SDRAM. There is
no current measurement point provided for this voltage.
2.14 Form Factor
The PPC750FX board is a full-length PCI card intended to be plugged into and operated in a standard PCI
slot on a personal computer or a PCI backplane. If a personal computer or PCI backplane are not available, it
can operate stand-alone with an external ATX power supply connected at J34.
