Instruction Manual

ICE-PV-N4551_D5251 COM Express Type 2 Module
Page 43
 ACPI Sleep State [S1 (CPU Stop Clock)]
Use the ACPI Sleep State option to specify the sleep state the system enters when it is
not being used.

S1 (CPU
Stop Clock)
DEFAULT
The system enters S1 (POS) sleep state. The system
appears off. The CPU is stopped; RAM is refreshed; the
system is running in a low power mode.

S3
(Suspend to
RAM)
The caches are flushed and the CPU is powered off.
Power to the RAM is maintained. The computer returns
slower to a working state, but more power is saved.
5.3.2 CPU Configuration
Use the CPU Configuration menu (3BIOS Menu 4) to view detailed CPU specifications
and configure the CPU.
Aptio Setup Utility – Copyright (C) 2011 American Megatrends, Inc.
Advanced
CPU Configuration
Processor Type Intel(R) Atom(TM)
CPU D525 @ 1.80GHz
EMT64 Supported
Processor Speed 1800 MHz
System Bus Speed 800 MHz
Ratio Status 9
Actual Ratio 9
Processor Stepping 106ca
Microcode Revision 263
L1 Cache RAM 2x56 k
L2 Cache RAM 2x512 k
Processor Core Dual
Hyper-Threading Supported
Hyper-Threading [Enabled]
Intel Virtualization Technology [Disabled]
Enabled for Windows XP
a
nd Linux (OS optimized
for Hyper-Threading
T
echnology) and Disabled
for other OS (OS not
optimized for
Hyper-Threading
Technology)
----------------------
 : Select Screen
 : Select Item
Enter Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
Version 2.11.1210. Copyright (C) 2011 American Megatrends, Inc.
BIOS Menu 4: CPU Configuration
The CPU Configuration menu lists the following CPU details: