3.3V 4M x 64/72-Bit 1 BANK sdram module 3.3V 8M x 64/72-Bit 2 BANK sdram module 3.3 4米64/72-Bit一银行内存模块3.3 8米64/72-Bit 2银行内存模块 3.3V 4M x 64/72-Bit 1 BANK sdram module 3.3V 8M x 64/72-Bit 2 BANK sdram module 8M X 64 SYNCHRONOUS DRAM module, 8 ns, DMA168 3.3V 4M x 64/72-Bit 1 BANK sdram module 3.3V 8M x 64/72-Bit 2 BANK sdram module 4M X 64 SYNCHRONOUS DRAM module, 8 ns, DMA168 From old datasheet system