MSI 645 Ultra-C Manual page 70

Glossary
CMOS complementary metal-oxide semiconductor
COM
DIMM dual in-line memory module
module)
DRAM Dynamic RAM
Type
FPM (60,70ns)
EDO (50,60,70ns)
SDRAM (66MHz)
SDRAM (100MHz)
SDRAM (133MHz)
RDRAM (Direct Rambus)
DDR SDRAM (100MHz)
DDR SDRAM (133MHz)
* Memory channel width (64 bits started with 75MHz Pentium)
Source: Computer Desktop Encyclopedia
Dynamic RAM (DRAM) Memory Technologies
First Used Clock Rate
1990
1994
1996
1998
1999
1999
2000
2000
SIMM (single in-line memory
Bus* Width
25MHz 64 bits
40MHz 64 bits
66MHz 64 bits
100MHz 64 bits
133MHz 64 bits
400MHz 16 bits
100MHz 64 bits
133MHz 64 bits
G-2
Peak
Volts
Bandwidth
200 MBps 5v
320 MBps 5v
528 MBps 3.3v
800 MBps 3.3v
1.1 GBps 3.3v
1.6 GBps 2.5v
1.6 GBps 3.3v
2.1 GBps 3.3v