Micros Systems PCWS 2015, Setup Manual, Page: 45 / 178

PCWS 2015 Setup Guide - 2nd Edition 2-13
PCWS 2015 BIOS
Advanced
FACP - RTC S4 Flag Value [Enabled]
Controls the value for the RTC S4 flag in the FACP table.
Enabled - The RTC alarm can wake the system from the S4 state.
Disabled - The RTC alarm can wake the system from the S1, S2, or
S3 sleep states.
APIC - IO APIC Mode [Enabled]
Enable or Disable the Advanced Programmable Interrupt Controller
(APIC) - IO APIC Mode.
ALS Support [Legacy]
Specifies the type of ACPI support.
Legacy - ALS support through the IGT INT10 function.
ACPI - ALS support through an ACPI ALS driver.
EMA Support [Disabled]
Enable or Disable the EMA device in an ACPI environment.
MEF Support [Disabled]
Enable or Disable the ‘Mobile East Fork’ support in an ACPI
environment.
ACPI 3.0 T-States [Disable]
Enables all ACPI 3.0 T-States.
Peripheral Configuration
The Peripheral Configuration fields are listed below.
Spread Spectrum Clock [Disabled]
Enable or Disable the Spread Spectrum clock chip feature.
Enable CRID [Disabled]
The CRID (Compatible Revision ID) is an 8-bit hard-wired value assigned
by Intel during the manufacturing process. Normally, the value assigned as
the CRID will be identical to the SRID (Stepping Revision ID) value of the
previous stepping of the product with which the new product is deemed
compatible.
PCIe SR-IOV Support [Disabled]
Enables support for a ‘Single Root I/O Virtualization’ which enables
sharing of a single I/O device among multiple virtual machines.