fmd rom (fluorescent material read only memory，荧光质只读存储器)
pirom：processor information rom，处理器信息rom
pledm: phase-state low electron(hole)-number drive memory
qbm(quad band memory，四倍边带内存)
rac(rambus asic cell，rambus集成电路单元)
ras(row address strobe，行地址控制器)
rdram(rambus direct ram，直接型rambusram)
rimm(rambus in-line memory modules，rambus内嵌式内存模块)
sdr sdram(single date rate，单数据率sdram)
sgram(synchronous graphics ram，同步图形随机储存器)
