Lanner electronic IAC-F848 manual Chipset Features Setup Screen

IAC-F848

3.4 CHIPSET FEATURES SETUP

When you select the “CHIPSET FEATURES SETUP” on the main program, the screen display will appears as:

Chipset Features Setup Screen

Spread Spectrum: Enable/Disable to reduce the EMI of your motherboard by modulating the signals it generates so that the spikes are reduced to flatter curves. It achieves this by varying the frequency slightly so that the signal does not use any particular frequency for more than a moment

DRAM Timing Selectable: To set DRAM Timing by SPD(auto) or by Manual.

CAS latency Time: Control the delay (in clock cycles) between the assertion of the CAS signal and the availability of the data from the target memory cell.

DRAM RAS-to-CAS Delay: to set the delay between the RAS and CAS signals. The appropriate delay for your memory module is reflected in its rated timings.

DRAM RAS Precharge: To set the number of cycles required for the RAS to accumulate its charge before another row can be activated.

Precharge Delay(TRAS): To set the number of cycles required for the RAS to accumulate its charge before another row can be activated.

System Memory Frequency: To set Memory frequency by AUTO detect or manual.

SLP_S4# Assertion Width: Set SLP_S4# pin width to “1-2 sec”, ”2-3 sec”,”3-4 sec”, “4-5 sec”.

PCI Express Root Port Function: Press Enter then will display screen as

below: Control PCIE Port as Auto, Enable or Disable. And PCI-E Compliancy Mode to V1.0 or 1.0A.

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