BIOS
Reference
Manual
BayCat
REV. June 2018
(VL-EPM-31)
Intel
®
Atom™-based Single Board
Computer with Dual Ethernet,
Video, USB, SATA, Serial I/O,
Digital I/O, Trusted Platform
Module security, Counter/Timers,
Mini PCIe, mSATA, PCI/104-Plus
Interface, and SPX.
WWW.VERSALOGIC.COM
12100 SW Tualatin Road
Tualatin, OR 97062-7341
(503) 747-2261
Fax (971) 224-4708
Copyright © 2016-2018 VersaLogic Corp. All rights reserved.
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.
BayCat (VL-EPM-31) BIOS Reference Manual
ii
Product Release Notes
This document reflects the content of the BIOS Setup utility for the EPM-31 BayCat Board.
BIOS Version
1.03
1.01
1.01
BIOS ID String
BayCat_3.1.0.791.103_RC1
BayCat_3.1.0.547.r1.101
BayCat_3.1.0.547.r1.101
Comments
Updated for Rev 1.03
Updated ISA IRQ Options
First release of document
Support Page
The
BayCat Support Page
contains additional information and resources for this product including:
VersaTech KnowledgeBase
Operating system information and software drivers
Data sheets and manufacturers’ links for chips used in this product
BIOS information and upgrades
The
VersaTech KnowledgeBase
contains useful technical information about VersaLogic products, along
with product advisories.
Customer Support
If you are unable to solve a problem after reading this manual, visiting the product support page, or
searching the KnowledgeBase, contact VersaLogic Technical Support at (503) 747-2261. VersaLogic
support engineers are also available via e-mail at
Support@VersaLogic.com.
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
All parts and labor charges are covered, including return shipping charges for
UPS Ground delivery to United States addresses.
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.
Warranty Repair
Non-warranty Repair
Note:
Mark the RMA number clearly on the outside of the box before returning.
BayCat (VL-EPM-31) BIOS Reference Manual
iii
Contents
Overview ........................................................................................................................1
Main Menu......................................................................................................................2
Main
System Date .......................................................................................................... 3
Main
System Time ......................................................................................................... 4
Main
System Information .............................................................................................. 5
Main
Boot Features........................................................................................................ 6
Main
Boot Features
NumLock..................................................................... 7
Main
Boot Features
Timeout ....................................................................... 8
Main
Boot Features
CSM Support .............................................................. 9
Main
Boot Features
Quick Boot ................................................................ 10
Main
Boot Features
Diagnostic Splash Screen .......................................... 11
Main
Boot Features
Diagnostic Summary Screen ..................................... 12
Main
Boot Features
BIOS Level USB ....................................................... 13
Main
Boot Features
Console Redirection .................................................. 14
Main
Boot Features
Allow Hotkey in S4 Resume ..................................... 19
Main
Boot Features
UEFI Boot ................................................................. 20
Main
Boot Features
Legacy Boot .............................................................. 21
Main
Boot Features
Boot In Legacy Video Mode ..................................... 22
Main
Boot Features
Load OPROM ........................................................... 23
Main
Error Manager .................................................................................................... 24
Main
Error Manager
View Error Manager Log......................................... 25
Main
Error Manager
Clear Error Manager Log......................................... 26
Advanced Menu ...........................................................................................................27
Advanced
OS Selection ............................................................................................... 28
Advanced
VersaLogic Features ................................................................................... 29
Advanced
VersaLogic Features
Mini Card Mode ..................................... 30
Advanced
VersaLogic Features
UART1 ................................................... 31
Advanced
VersaLogic Features
UART2 ................................................... 35
Advanced
CPU Configuration ..................................................................................... 40
Advanced
CPU Configuration
Execute Disable Bit .................................. 41
Advanced
CPU Configuration
AES-NI ..................................................... 42
Advanced
CPU Configuration
Limit CPUID Maximum ........................... 43
Advanced
CPU Configuration
Bi-directional PROCHOT# ...................... 44
Advanced
CPU Configuration
VTX-2....................................................... 45
Advanced
CPU Configuration
TM1 .......................................................... 46
Advanced
CPU Configuration
DTS........................................................... 47
Advanced
CPU Configuration
Intel Hyper-Threading Technology .......... 48
Advanced
CPU Power Management ........................................................................... 49
Advanced
CPU Power Management
Intel SpeedStep ............................... 50
Advanced
CPU Power Management
Intel Turbo Boost Technology ........ 52
Advanced
CPU Power Management
C-States ........................................... 53
Advanced
CPU Power Management
Max C State .................................... 55
BayCat (VL-EPM-31) BIOS Reference Manual
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Contents
Advanced
Graphics/Uncore Configuration ................................................................. 56
Advanced
Graphics/Uncore Configuration
GOP Driver ........................... 57
Advanced
Graphics/Uncore Configuration
Integrated Graphics Device .. 58
Advanced
Graphics/Uncore Configuration
Primary Display .................... 59
Advanced
Graphics/Uncore Configuration
RC6 (Render Standby) .......... 60
Advanced
Graphics/Uncore Configuration
PAVC .................................... 61
Advanced
Graphics/Uncore Configuration
GTT Size ............................... 62
Advanced
Graphics/Uncore Configuration
Aperture Size ........................ 63
Advanced
Graphics/Uncore Configuration
DVMT Pre-Allocated ........... 64
Advanced
Graphics/Uncore Configuration
DVMT Total Gfx Mem ........ 65
Advanced
Graphics/Uncore Configuration
IGD Turbo............................. 66
Advanced
Graphics/Uncore Configuration
BIA........................................ 67
Advanced
Graphics/Uncore Configuration
LCD Panel Type ................... 68
Advanced
Graphics/Uncore Configuration
IGD Boot Type ..................... 69
Advanced
Graphics/Uncore Configuration
Panel Scaling......................... 70
Advanced
Graphics/Uncore Configuration
GMCH BLC Control ............ 71
Advanced
South Cluster Configuration ....................................................................... 72
Advanced
PCI Express Configuration
PCIe 0 Speed ................................ 73
Advanced
PCI Express Configuration
PCIe 1 Speed ................................ 74
Advanced
PCI Express Configuration
PCIe 2 Speed ................................ 75
Advanced
PCI Express Configuration
PCIe 3 Speed ................................ 76
Advanced
PCI Express Configuration
PCI Express Root Port 1 ............... 77
Advanced
PCI Express Configuration
PCI Express Root Port 2 ............... 78
Advanced
PCI Express Configuration
PCI Express Root Port 3 ............... 79
Advanced
PCI Express Configuration
PCI Express Root Port 4 ............... 80
Advanced
USB Configuration
XHCI Link Power Management ............... 81
Advanced
USB Configuration
EHCI Controller ....................................... 82
Advanced
USB Configuration
USB Per-Port Control ............................... 83
Advanced
USB Configuration
USB Port #0 .............................................. 84
Advanced
USB Configuration
USB Port #1 .............................................. 85
Advanced
USB Configuration
USB Port #2 .............................................. 86
Advanced
USB Configuration
USB Port #3 .............................................. 87
Advanced
Audio Configuration
Audio Controller .................................... 88
Advanced
Audio Configuration
Azalia VCi Enable.................................. 89
Advanced
Audio Configuration
Azalia HDMI CODEC ........................... 90
Advanced
SATA Drives
Chipset SATA.................................................... 91
Advanced
SATA Drives
Chipset SATA Mode ......................................... 92
Advanced
LPSS & SCC Configuration
LPSS Devices Mode ................... 93
Advanced
LPSS & SCC Configuration
SCC SDIO Support ..................... 94
Advanced
LPSS & SCC Configuration
SCC SD Card Support ................ 95
Advanced
LPSS & SCC Configuration
SD SDR 25 Support.................... 96
Advanced
LPSS & SCC Configuration
SD SDR 50 Support.................... 97
Advanced
LPSS & SCC Configuration
LPSS DMA #1 Support .............. 98
Advanced
LPSS & SCC Configuration
LPSS DMA #2 Support .............. 99
Advanced
LPSS & SCC Configuration
LPSS I2C #1 Support ............... 100
Advanced
LPSS & SCC Configuration
LPSS PWM #1 Support ............ 101
Advanced
LPSS & SCC Configuration
LPSS PWM #2 Support ............ 102
Advanced
Miscellaneous Configuration
High Precision Timer .............. 103
BayCat (VL-EPM-31) BIOS Reference Manual
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