51 Chapter 2Advanced Chipset FeaturesSelecting “Advanced BIOS Features” from the Advanced Options menu displays the following screen.The following table describes the parameters found in the sub-menu. Settings in boldface are the default andsuggested settings.Typematic Rate Setting Keystrokes repeat at a rate determined by the keyboardcontroller-- when enabled, the typematic rate and typematicdelay can be selected.*Typematic Rate (Chars/Sec) 6*Typematic Delay (MSec) 250Disabled/EnabledAPIC Mode Advanced Interrupt Controller. The I/O APIC handlesinterrupts very differently than the 8259. (Refer to ICH2EDS Rev 1.0 P6-39, 6.8)EnabledDisabledMPS Version Control For OS Multi CPU for NT. system 1.4/ 1.1.Parameter Description OptionDRAM Timing SelectableCAS Latency TimeActive to Precharge DelayDRAM RAS #to CAS# DelayDRAM RAS# PrechargeDRAM Data Integrity ModeSDRAM TimingThe default setting by your DRAM’s SPD.The default setting by your DRAM’s SPD.The default setting by your DRAM’s SPD.The default setting by your DRAM’s SPD.The default setting by your DRAM’s SPD.1.5/2/2.5/37/6/53/23/2Non-ECC/ECClSystem BIOS Cacheable E.F segment shadow RAM cacheable. Enabled/DisabledVideo BIOS Cacheable C segment shadow RAM cacheable. Enabled/DisabledVideo RAM Cacheable A.B segment shadow RAM cacheable. Enabled/DisabledDelayed Transaction ICH2 enables delayed transactions for internalregister, FWH, and LPC I/F accesses.Enabled/DisabledDelay Prior to Thermal Enables Pentium 4 thermal function - 16 miuntesafter POST.(only for ACPI OS)16/4/8/32 minutes.Parameter Description Options