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Cpu configuration – Foxconn P55A Series User Manual

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This item allows you to select the row precharge time (in clock cycles).

► DRAM tRCD (RAS-to-CAS Delay)

This item allows you to select a delay time (in clock cycles) between the CAS# and RAS#
strobe signals.

► DRAM tWR (Write Recovery)

This item allows you to select the write recovery time (in clock cycles).

► DRAM tRFC(Auto-Refresh-to-Active/Auto-Refresh Command Period)

Refresh to Refresh or Refresh to Active command interval.

► DRAM tWTR (Internal Write to Read Command Delay)

This item allows you to select a delay time (in clock cycles) between sending the last data from
a write operation to the memory and issuing

► DRAM tRRD (Active-to-Active of a Different Bank)

This item allows you to select a delay time (in clock cycles) between the RAS# and RAS#
strobe signals.

► DRAM tRTP (Internal Read to Precharge Command Delay)

This item allows you to set the delay time (in clock cycles) between read command and pre-
charge command.

► DRAM tFAW(Four Active Window Delay)

This item allows you to specify the time window in which four activates are allowed the same
rank.

► BIOS Write Protect

To protect the system BIOS from virus attack, there is a BIOS write-protection mechanism
provided. Super BIOS Protect function protects your BIOS from being affected by viruses, e.g.
CIH.

CPU Configuration

This menu shows most of the CPU specifications.

► MPS and ACPI MADT ordering

[Modern ordering] : for Windows XP or later OSes.
[Legacy ordering] : for Windows 2000 or earlier OSes.

CMOS Setup Utility - Copyright (C) 1985-2009, American Megatrends, Inc.

CPU Configuration

Configure advanced CPU settings

Help Item

Module Version : 01.06

MPS and ACPI MADT

Manufacturer : Intel

ordering .

Intel(R) Core (TM) CPU 870 @2.93GHz

Modern ordering for

Frequency :2.93GHz

Windows XP or

BCLK Speed :133MHz

later OSes .

Cache L1 :256KB

Legacy ordering for

Cache L2 :1024KB

Windows 2000 or

Cache L3 :8192KB

earier OSes .

MPS and ACPI MADT ordering [Modern ordering]

Limit CPUID MaxValue

[Disabled]

Virtualization Technology

[Enabled]

Execute Disable Bit

[Enabled]

Intel(R) HT Technology

[Disabled]

Active Processor Cores

[All]

A20M

[Disabled]

EIST Function

[Enabled]

↑↓←→:Move Enter:Select +/-/:Value F10:Save ESC:Exit F1:General Help

F9:Optimized Defaults

[Modern ordering]