Data Sheet, Rev. 0.5, Dec. 2003 HYS72D128300GBR-[.
HYS72D128321GBR-5-B - 184-Pin Registered Double Data Rate SDRAM Module
HYS72D128321GBR-7-B - 184-Pin Registered Double Data Rate SDRAM Module
HYS72D128321GBR-6-B - 184-Pin Registered Double Data Rate SDRAM Module