Gigabyte MZ62-HD4 How to use

BIOS Release Notes
TITLE
SUBJECT: MZ62-HD4 BIOS Release Notes version M03_R21
System: H262-Z6A-00,H262-Z6B-00,H262-Z 0-00,H262-Z 2-00,H282-Z60-00
About This Release
Build Date: 202 /04/0
BIOS Checksum: 0x9875587 (32M)
Release Owner: Hex.Jan
BIOS Components/Contents
Processor stepping(s) supported: AMD Milan Processors
System hardware configurations supported: MZ62-HD4
Microcode updates versions:
CPUID Family Microcode
Update ID
Milan A0 Family 19h Model 00-0Fh 0A000033
Milan B0 Family 19h Model 00-0Fh 0A00103F
Milan B1 Family 19h Model 00-0Fh 0A001119
IPMI support:
AMI Kernel version: 5.2 _MilanCrb_0ACOU0 0
AGESA PI version: MilanPI .0.0.
OPROM version:
OPROM Version
AST2500 1.10.00
Installation Notes
IMPORTANT NOTES:
. Please extract the MZ62-HD4_M03_R21.zip to a bootable diskette that use FAT/FAT32
format
BIOS UPDATE INSTRUCTIONS FOR EFI Shell:
1. Insert USB flash drive to system for BIOS upgrade.
2. Power on system and boot to Build-In Shell.
3. Enter your USB filesystem, like “fs0:” or “fsx:”, “x” is your USB filesystem number
4. Execute F.nsh for bios update
5. After bios flash finish, system must Power-Off to have the changes take effect.
BIOS UPDATE INSTRUCTIONS FOR Windows:
1. Insert bios update USB flash drive.
2. Use Command Shell.
1

BIOS Release Notes
3. Enter \Tool\Win32 and execute f.bat for Windows 32bit.
Or
Enter \Tool\Win64 and execute f.bat for Windows 64bit.
4. After bios flash finish, system must Power-Off to have the changes take effect.
BIOS UPDATE FOR Easy BIOS Refresh:
1. The system supports remotely update BIOS if BMC existent.
2. Please download the Easy BIOS Refresh User Guide from Gigabyte website, target system
support page.
BIOS Version CHECK INSTRUCTIONS:
1. Power on system and press <DE > during POST
2. The bios version shows on the first main page
Known Issues/Workarounds
1. Windows OS does not support 256 or more logical.
Windows 2019 can update KB44512534 to support it.
※When SMT Enabled, IOMMU need to set Enabled too.
SMT Control: AMD Simultaneous Multi-Threading Technology
KB4022723: Support IOMMU on Windows 2016.
KB4512534: Support SMT on Windows 2019.
2. NVIDIA CUDA didn’t support IOMMU.
Issues fixed in this version
1 . Rome CPU please reference RelNotes_Rome.PDF
2 . Mian CPU please reference RelNotes_Milan.PDF
2
OS
item Win2019 Win2016
IOMMU Enable ※Enable
KB4022723
SMT Control Enable
KB4512534 Disable