VersaLogic Owl (VL-EPU-4012) Reference guide

BIOS

Reference

Manual

REV. May 2020

Owl

(VL-EPU-4012)

Intel® Atom™ dual or quad core

E39xx-based Embedded

Processing Unit featuring error

correcting code memory (ECC),

TPM security, and extensive on-

board I/O.

VL-EPU-4012 BIOS Reference Manual ii

WWW.VERSALOGIC.COM

12100 SW Tualatin Road

Tualatin, OR 97062-7341

(503) 747-2261

Fax (971) 224-4708

Notice:

Although every effort has been made to ensure this document is error-free, VersaLogic makes no

representations or warranties with respect to this product and specifically disclaims any implied warranties

of merchantability or fitness for any particular purpose.

VersaLogic reserves the right to revise this product and associated documentation at any time without

obligation to notify anyone of such changes.

* Other names and brands may be claimed as the property of others.

iii VL-EPU-4012 BIOS Reference Manual

Product Revision Notes

Revision 1.0 Initial draft

Support Page

The Owl Product Page contains additional information and resources for this product including:

• Operating system information and software drivers

• Data sheets and manufacturers links for chips used in this product

• BIOS information and upgrades

Customer Support

If you are unable to solve a problem after reading this manual, visiting the product support page or contact

VersaLogic Technical Support at (503) 747-2261. VersaLogic support engineers are also available via e-

mail at [email protected].

Repair Service

If your product requires service, you must obtain a Returned Material Authorization (RMA) number by

calling 503-747-2261. Be ready to provide the following information:

• Your name, the name of your company, your phone number, and e-mail address

• The name of a technician or engineer that can be contacted if any questions arise

• The quantity of items being returned

• The model and serial number (barcode) of each item

• A detailed description of the problem

• Steps you have taken to resolve or recreate the problem

• The return shipping address

AS9100 All AS9100 products dispositioned for scrap shall be conspicuously and permanently marked, or

positively controlled, until physically rendered unusable.

Material designated for scrap may be recycled in a manner that complies with applicable environmental

regulations.

Note: VersaLogic recommends that all materials be disposed of in environmentally responsible manner i.e.,

recycling in compliance with applicable laws and regulations.

Warranty Repair All parts and labor charges are covered, including return shipping charges for

UPS Ground delivery to United States addresses.

Non-warranty Repair All approved non-warranty repairs are subject to diagnosis and labor charges,

parts charges and return shipping fees. Specify the shipping method you

prefer and provide a purchase order number for invoicing the repair.



Note:

Mark the RMA number clearly on the outside of the box before returning.

VL-EPU-4012 BIOS Reference Manual iv

Cautions

Electrostatic Discharge

CAUTION:

Electrostatic discharge (ESD) can damage circuit boards, disk drives, and other

components. The circuit board must only be handled at an ESD workstation. If an

approved station is not available, some measure of protection can be provided by

wearing a grounded antistatic wrist strap. Keep all plastic away from the board, and do

not slide the board over any surface.

After removing the board from its protective wrapper, place the board on a grounded,

static-free surface, component side up. Use an antistatic foam pad if available.

The board should also be protected inside a closed metallic antistatic envelope during

shipment or storage.



Note:

The exterior coating on some metallic antistatic bags is sufficiently conductive to cause

excessive battery drain if the bag comes in contact with the bottom side of the Owl.

Handling Care

CAUTION:

Avoid touching the exposed circuitry with your fingers when handling the board. Though

it will not damage the circuitry, it is possible that small amounts of oil or perspiration on

the skin could have enough conductivity to cause the contents of CMOS RAM to

become corrupted through careless handling, resulting in CMOS resetting to factory

defaults.

Earth Ground Requirement

CAUTION:

All mounting standoffs should be connected to earth ground (chassis ground). This

provides proper grounding for EMI purposes.

v VL-EPU-4012 BIOS Reference Manual

Contents

Introduction ................................................................................................................... 7

EPU-4012 BIOS Overview ............................................................................................. 9

BIOS Help ........................................................................................................................... 9

Main Menu .................................................................................................................... 10

Main Menu→Boot Features ............................................................................................. 10

Main Menu→ Network Stack ........................................................................................... 13

Main Menu→ SMBIOS Event Log .................................................................................. 14

System Setup ............................................................................................................... 14

System Setup→CPU Configuration ................................................................................. 14

System Setup→ CPU Configuration→CPU Power Management.................................... 16

System Setup→Uncore Configuration ............................................................................. 19

System Setup→South Cluster Configuration→HD-Audio Configuration ....................... 24

System Setup→South Cluster Configuration→GMM Configuration .............................. 26

System Setup→South Cluster Configuration→ISH Configuration ................................. 28

System Setup→South Cluster Configuration→LPSS Configuration............................... 29

System Setup→South Cluster Configuration→PCI Express Configuration .................... 34

System Setup→PCI Express Root Port [1-6] ................................................................... 35

System Setup→South Cluster Configuration→SATA Drives ---- Chipset-SATA

Controller Configuration ---- ............................................................................................ 42

System Setup→South Cluster Configuration→SCC Configuration ................................ 46

System Setup→South Cluster Configuration→USB Configuration ................................ 47

System Setup→South Cluster Configuration→Miscellaneous Configuration ................ 49

System Setup→Boot ......................................................................................................... 51

System Setup→Security Configuration ............................................................................ 52

System Setup→Thermal ................................................................................................... 53

System Setup→System Component ................................................................................. 56

System Setup→Debug Configuration .............................................................................. 58

System Setup→NPK Debug Configuration ..................................................................... 62

System Setup→ACPI Settings .......................................................................................... 65

System Setup→Intel(R) UltraBook Event Support .......................................................... 67

System Setup→PEP Constraints Configuration ............................................................... 68

System Setup→RTD3 settings ......................................................................................... 72

System Setup→Memory ECC Error Logging .................................................................. 76

Security ........................................................................................................................ 76

Security→TPM Configuration ......................................................................................... 77

Security→Secure Boot Configuration .............................................................................. 80

VersaLogic Features ................................................................................................... 80

VersaLogic Features→UART Configuration ................................................................... 80

VersaLogic Features→PCI IRQ Routing Configuration .................................................. 85

IPv4 Network Configuration ....................................................................................... 88

VL-EPU-4012BIOS Reference Manual vi

IPv6 Network Configuration ....................................................................................... 88

IPv6 Network Configuration→IPv6 Current Setting ....................................................... 88

Figures

Figure 1. The Owl (VL-EPU-4012) ............................................................................................................... 7

Tables

Table 1. Top-level Menu Bar Features ............................................................................................................ 9

Table 2. BIOS Setup Program Function Keys ................................................................................................. 9

Introduction

7 VL-EPU-4012 BIOS Reference Manual

Introduction

Figure 1. The Owl (VL-EPU-4012)

The Owl is a small and rugged board-level embedded computer. Approximately four inches

square and one inch thick, the Owl is a member of VersaLogic’s family of small, ultra-rugged

embedded x86 computers. Equipped with a powerful dual or quad-core Intel “Apollo Lake”

processor and soldered-on ECC RAM, the Owl is designed to withstand extreme temperature,

impact, and vibration.



Error correcting RAM Up to 8 GB

 -40° to +85°C Operating

Temperature

 5th Generation Intel Atom*processor

(“Apollo Lake”) E3950 (quad core)

or E3930 (dual core)

 TPM 2.0 security



On-board power conditioning. 8 to 30

volt input

 Hardware-based security

 COMe Compact size (95 x 95mm)

 Low power (6 W typ.)

Introduction

VL-EPU-4012 BIOS Reference Manual 8

Up to 8 GB of soldered-on Error Correcting Code (ECC) memory is available for highly reliable

applications. ECC memory is beneficial in environments where single bit memory errors may

occur, such as with cosmic ray interactions which increase dramatically with altitude.

Technical Specifications

Refer to the Owl Product Page for complete specifications. Specifications are subject to change

without notification.

EPU-4012 BIOS Overview

9 VL-EPU-4012 BIOS Reference Manual

EPU-4012 BIOS Overview

To access the BIOS Setup program, press during the early boot cycle. The top-level

menu bar is shown below.

Table 1. Top-level Menu Bar Features

Menu

Function

Main Displays processor and memory parameters

System Setup Configures advanced features, including CPU, IDE, and USB

Security

Sets passwords and security features

VersaLogic

Features UART and PCI IRQ routing configuration

IPv4 Network

Configuration

IPv6 Network

Configuration Current Setting

The following table lists the function keys available for menu screens.

Table 2. BIOS Setup Program Function Keys

Key Function Key Function

or

Selects a different menu screen

(Moves the cursor left or right)

or

Selects an item (Moves the

cursor up or down)

or Changes option/field

Executes a command or selects

a sub-menu

Go to next page

Go to previous page

Go to top of screen

Go to bottom of screen

Select field

General help

Load Previous Settings

Loads optimal defaults

Loads failsafe default values

Exit

Save and exit

BIOS Help

Press the “F1” key anywhere in the Setup Utility to get the General Help page. BIOS

menu options are listed which includes a brief description of those options.

Main Menu

VL-EPU-4012 BIOS Reference Manual 10

Main Menu

Main Menu→Boot Features

Option: NumLock:

On (default)

Off

Details: Selects Power-on state for NumLock.

Option: Timeout

Minimum = 0x0000

Maximum = 0x0063

Default = 0x0000

Details: Number of seconds that P.O.S.T will wait for the user input before booting.

Option: CSM Support

No

Yes (default)

Details: Compatibility Support Module that provide backward compatibility services for

legacy BIOS services, like int10/int13, dependent OS.

Option: Quick Boot

Disabled (default)

Enabled

Details: Enable/Disable quick boot.

Option: Diagnostic Splash Screen

Disabled (default)

Enabled

Details: If you select 'Enabled' the diagnostic splash screen always displays during boot.

If you select 'Disabled' the diagnostic splash screen does not display unless you press

HOTKEY during boot.

Main Menu

11 VL-EPU-4012 BIOS Reference Manual

Option: Diagnostic Summary Screen

Disabled (default)

Enabled

Details: Display the Diagnostic summary screen during boot.

Option: BIOS Level USB

Disabled

Enabled (default)

Details: Enable/Disable all BIOS support for USB in order to reduce boot time. Note that

this will prevent using a USB keyboard in setup or a USB biometric scanner such as a

finger print reader to control access to setup, but does not prevent the operating system

from supporting such hardware.

Option: USB Legacy

Disabled

Enabled (default)

Details: Enable/Disable USB BIOS SMM support for mouse, keyboard, mass storage,

etc, in legacy operating systems such as DOS.

Option: Console Redirection

Disabled (default)

Enabled

Details: Enable/Disable Universal Console Redirection.

Option:Terminal Type

ANSI (default)

VT100

VT100+

UTF8

Details: Set terminal type of UCR.

Main Menu

VL-EPU-4012 BIOS Reference Manual 12

Option: Baudrate

9600

19200

38400

57600

115200 (default)

Details: Set baudrate of UCR.

Option: Flow Control

None (default)

RTS/CTS

XON/XOFF

Details: Set flow control method for UCR.

None - No flow control.

RTS/CTS - Harware flow control.

XON/XOFF - Software flow control.

Option: Continue C.R. after POST

Disabled

Enabled (default)

Details: Enables Console Redirection after OS has loaded.

Option: Allow Hotkey in S4 resume

Disabled

Enabled (default)

Details: Enable hotkey detection when system resuming from Hibernate state

Option: UEFI Boot

Disabled

Enabled (default)

Details: Enable the UEFI boot.

Main Menu

13 VL-EPU-4012 BIOS Reference Manual

Option: Legacy Boot

Disabled

Enabled (default)

Details: Enable the Legacy boot.

Option: Boot in Legacy Video Mode

Disabled (default)

Enabled

Details: Enable to force the display adapter to switch the video mode to Text Mode 3 at

the end of BIOS POST for non-UEFI boot mode (Legacy Boot). Some legacy software,

such as DUET, requires that the BIOS explicitly enter text video mode prior to boot.

Option: Load OPROM

All

On Demand (default)

Details: Load all OPROMs or on demand according to the boot device.

Main Menu→ Network Stack

Option: Network Stack

Disabled (default)

Enabled

Details: Enable/Disable UEFI Network Stack

Option: IPv4

Disabled

Enabled (default)

Details: Enable/Disable IPv4

Option: IPv6

Disabled

Enabled (default)

Details: Enable/Disable IPv6

System Setup

VL-EPU-4012 BIOS Reference Manual 14

Option: UEFI PXE Boot Priority

IPv6 First

IPv4 First (default)

Details: Set the priority of UEFI PXE Boot

Main Menu→ SMBIOS Event Log

Option: Event Log

Disabled

Enabled (default)

Details: Enable/Disable Event Log.

System Setup

System Setup→CPU Configuration

Option: Bi-directional PROCHOT#

Disable

Enable (default)

Details: When a processor thermal sensor trips (either core), the PROCHOT# will be

driven.

If bi-direction is enabled, external agents can drive PROCHOT# to throttle the

processor.

Option: VTX-2

Disable

Enable (default)

Details: To enable or disable the VTX-2 Mode support

Option: VT-d

Disable (default)

Enable

Details: Enable/Disable VT-d, Please disable IPU when you want to enable VT-D feature

System Setup

15 VL-EPU-4012 BIOS Reference Manual

Option: TM1

Disable

Enable (default)

Details: Enable/Disable TM1

Option: DTS

Disable (default)

Enable

Details: Enabled/Disable Digital Thermal Sensor

Option: Active Processor Cores

Disable (default)

Enable

Details: Enable this to disable core in each processor package

Option: Core 0

Enable (default)

Details: Core 0 Enable

Option: Core 1

Disable

Enable (default)

Details: Core 1 Enable/Disable

Option: Core 2

Disable

Enable (default)

Details: Core 2 Enable/Disable

Option: Core 3

Disable

Enable (default)

Details: Core 3 Enable/Disable

System Setup

VL-EPU-4012 BIOS Reference Manual 16

Option: Monitor Mwait

Disable

Enable

Auto (default)

Details: Enable/Disable Monitor Mwait. If Auto is selected, Monitor Mwait will be disabled

for Linux/Yocto OS with B1 silicon. For the rest Monitor Mwait will be enabled.

System Setup→ CPU Configuration→CPU Power

Management

---- System Power Options ----

Option: Intel(R) SpeedStep(tm)

Disable

Enable (default)

Details: Allows more than two frequency ranges to be supported.

Option: Boot performance mode

Max Performance (default)

Max Battery

Details: Select the performance state that the BIOS will set before OS handoff.

Option: Intel® Turbo Boost Technology

Disable

Enable (default)

Details: Enable to automatically allow processor cores to run faster than the base

operating frequency if it's operating below power, current, and temperature specification

limits.

Option: C-States

Disable

Enable (default)

Details: Enable/Disable C States

System Setup

17 VL-EPU-4012 BIOS Reference Manual

Option: Enhanced C-states

Disable

Enable (default)

Details: Enable/Disable C1E. When enabled, CPU will switch to minimum speed when

all cores enter C-State.

Option: Max Package C State

S0ix default (default)

PC2

C0

Details: This option controls the Max Package C State that the processor will support.

Option: Max Core C State

Fused value (default)

Core C10

Core C9

Core C8

Core C7

Core C6

Core C1

Unlimited

Details: This option controls the Max Core C State that cores will support.

Option: C-State Auto Demotion

Disabled

C1 (default)

Details: Configure C-State Auto Demotion

Option: C-State Un-demotion

Disabled

C1 (default)

Details: Configure C-State Un-demotion

System Setup

VL-EPU-4012 BIOS Reference Manual 18

Option: Power Limit 1 Enable

Disabled

Enabled (default)

Details: Enable/Disable Power Limit 1

Option: Power Limit 1 Clamp Mode

Disabled

Enabled (default)

Details: Enable/Disable Power Limit 1 Clamp Mode

Option: Power Limit 1 Power

Auto (default)

6

7

8

...

23

24

25

Details: Power Limit 1 in Watts. Auto will program Power Limit 1 based on silicon default

support value

System Setup

19 VL-EPU-4012 BIOS Reference Manual

Option: Power Limit 1 Time Window

Auto (default)

1

2

3

...

96

112

128

Details: Power Limit 1 Time Window Value in Seconds. Auto will program Power Limit 1

Time Window based on silicon default support value

System Setup→Uncore Configuration

---- GOP Configuration ----

Option: GOP Driver

Enable (default)

Disable

Details: Enable GOP Driver will unload VBIOS; Disable it will load VBIOS

Option: Intel Graphics Pei Display Peim

Enable

Disable (default)

Details: Enable/Disable Pei (Early) Display

---- IGD Configuration ----

Option: Integrated Graphics Device

Disable

Enable (default)

Details: Enable : Enable Integrated Graphics Device (IGD) when selected as the

Primary Video Adaptor. Disable: Alwarys disable IGD

System Setup

VL-EPU-4012 BIOS Reference Manual 20

Option: Primary Display

IGD (default)

PCIe

HG

Details: Select which of IGD/PCI Graphics device should be Primary Display

Option: HG Delay After Power Enable

Minimum = 0x0000

Maximum = 0x03E8

Default = 0x012C

Details: Delay in milli-seconds after power enable

Option: HG Delay After Hold Reset

Minimum = 0x0000

Maximum = 0x03E8

Default = 0x0064

Details: Delay in milli-seconds after hold reset

Option: RC6(Render Standby)

Enable (default)

Disable

Details: Check to enable render standby support, RC6 should be enabled if S0ix is

enabled. This item will be read only if S0ix is enabled

Option: GTT Size

2MB

4MB

8MB (default)

Details: Select the GTT Size

Option: Aperture Size

256MB (default)

Details: Select the Aperture Size

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