256MB, 512MB, 1GB, 2GB (x64, DR) 184-PIN DDR SDRAM.
Micron
MT16VDDT12864A - 1GB DDR SDRAM UNBUFFERED DIMM
256MB, 512MB, 1GB, 2GB (x64, DR) 184-PIN DDR SDRAM UDIMM DDR SDRAM UNBUFFERED DIMM MT16VDDT3264A – 256MB MT16VDDT6464A – 512MB MT16VDDT12864A MT16.