Macrotron Introduces High-Density 512MB SODIMM Memory Module - SEPT.  2000 Macrotron Introduces Low Profile 512MB Memory Module--The "Shorty" - FEB. 2000 Macrotron Certified by M-Systems as Independent Programming Facility - DEC. 1999 128Mb SDRAM Replaces 64MB SDRAM in High Density Modules - AUG. 1999 PC133 SDRAM Module Advertisement - AUG. 1999 Macrotron Announces the Development of PC 133 SDRAM DIMMs - APR. 1999