Memory; Memory Speed/Cpu Fsb Overclocking Support Matrix - MSI MS-6580 Manual

The mainboard provides 2 slots for 184-pin DDR SDRAM DIMM
(Double In-Line Memory Module) modules and supports the memory size up
to 2GB. You can install PC3200/DDR400, PC2700/DDR333, PC2100/
DDR266 or PC1600/DDR200 modules on the DDR DIMM slots (DDR 1~2).
For more informaton on DDR400, please refer to Appendix B.

Memory Speed/CPU FSB Overclocking Support Matrix

Memory

CPU FSB
400MHz
533MHz
800MHz *
Memory
DDR 266 / PC 2100
DDR 333 / PC 2700
Yes
Yes
N/A
Hardware Setup
DDR DIMM Slots
(DDR 1~2)
DDR 400 / PC 3200
N/A
N/A
Overclocking
2-7