Intel BX80605X3430 Data Sheet - Page 45
PCI Express* Power Management
UPC - 735858210331
View all Intel BX80605X3430 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 45 highlights
Power Management 4.3.2.4 4.4 DRAM I/O Power Management Unused signals should be disabled to save power and reduce electromagnetic interference. This includes all signals associated with an unused memory channel. Clocks can be controlled on a per DIMM basis. Exceptions are made for per DIMM control signals, such as CS#, CKE, and ODT for unpopulated DIMM slots. The I/O buffer for an unused signal should be tristated (output driver disabled), the input receiver (differential sense-amp) should be disabled, and any DLL circuitry related ONLY to unused signals should be disabled. The input path must be gated to prevent spurious results due to noise on the unused signals (typically handled automatically when input receiver is disabled). PCI Express* Power Management • Active power management support using L0s, and L1 states. • All inputs and outputs disabled in L3 Ready state. Datasheet, Volume 1 45