GIGABYTE MZ31-AR0 REV 1.1 with Epyc Rome / Milan

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Gizmo_Ger

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Sep 21, 2023
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@jmenmonicj did you update your BMC to MegaRAC in the meantime? A programmer is always handy. I would double read via a clip the current bios, diff both and keep it safe.
 

jmenmonicj

Member
Jul 22, 2026
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@jmenmonicj did you update your BMC to MegaRAC in the meantime? A programmer is always handy. I would double read via a clip the current bios, diff both and keep it safe.
Holding off on the BMC update for now—server tasks are running through Wednesday, in line with the planned maintenance window.
I do not have a programmer on hand right now. Will have to buy one.
 

jmenmonicj

Member
Jul 22, 2026
51
5
8
@jmenmonicj did you update your BMC to MegaRAC in the meantime? A programmer is always handy. I would double read via a clip the current bios, diff both and keep it safe.
I am on MegaRAC BMC firmware right now, everything seems to be working as expected.
What looks strange, I made another BIOS fw backup using MegaRAC and it is almost the same but not the same:

Waiting for 7502CPU delivery right now.
 

Gizmo_Ger

Member
Sep 21, 2023
38
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Another one bites the dust: Since I´ve read about it in this thread I thought I´ll give it a try. Got a 7452 CPU but I´m also stuck with a non-working Rome CPU on this board. BMC was already on 12.61.39. The board shipped with F11b BIOS. Naples 7401 runs just fine with 256GB LRDIMM. Switching to Rome CPU and R23 BIOS nothing - no POST, in SEL no POST codes. Production Code: SN1813602176
Few things I´ve noticed: BIOS on F20d shows MZ31-AR-00 correct. In BMC the fields Product Manufactor and Product Name are empty. 1786806857498.png
1786806953606.png
Does anyone have an idea why that is?
 

RolloZ170

Well-Known Member
Apr 24, 2016
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Switching to Rome CPU and R23 BIOS nothing - no POST, in SEL no POST codes. Production Code: SN1813602176
SN1813
2018 week 13 = too old.
BIOS on F20d shows MZ31-AR-00 correct. In BMC the fields Product Manufactor and Product Name are empty.
normal, is updated if the board is assembled with a chassis backplane etc.

edit: and if you have no POST the BMC can not receive this info.
 
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Gizmo_Ger

Member
Sep 21, 2023
38
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Bummers - but thanks anyway @RolloZ170. So I guess I picked the wrong seller. User @Dm_R mentioned a modded 18 version he got from the seller. What about asking ram-koenig for a board with a more recent production date based on the SN?
 
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Gizmo_Ger

Member
Sep 21, 2023
38
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I assumed I would get a HZ board because of the F11b BIOS. So late 2018 is proven to be working? I´ll contact the seller and ask. @RolloZ170 you´ve mentioned earlier you got CLDP update from Gigabyte. Wanna share some info about it?
 

RolloZ170

Well-Known Member
Apr 24, 2016
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I assumed I would get a HZ board because of the F11b BIOS
you need MZ31-AR0-HZ not -00
F11b is a normal BIOS.
Code:
BIOS Release Notes
F13
1 . Fix BMC Web UI can’t receive SMBIOS issue (Occurs in F12). --------------------------------------------------------------------------------------------------------------------
F12
1. Update from code base 015 to code base 017
2. Skip NVDIA card type-C device to avoid platform hang code
3. Add POST warning when DIMM error occurs
4. Add NVDIA RTX 2080 patch
5. Set item "Terminal Type" default.(set VT100+)
6. Fine tune setup Chipset page
7. Fix BMC IP show abnormal string on POST
8. Fine tune COM port item name on setup
9. Add redhat efi road
10. Add new behavior.(When set legacy mode, show onboard VGA item.)
11. Fix IPMI chassis bootdev command pxe function fail (mantis id 35347)
12. Fix SVID of USB controller present in some SoC models is incorrect. (mantis id
36448)
13. Fix POST hang Mellanox ConnextX-6 card
14. Fixed PCIE disabled by riser card.
15. Support BMC Hardware information
16. Increase boot log when "COM1 / Serial Over Lan" is set to enabled
17. Add PCIe resource for GPU
18. Update AST2500 VBIOS to v1.09 --------------------------------------------------------------------------------------------------------------------
F11
1. Fix BMC IP show abnormal string on POST.
2. Add new above 4G behavior.
3. Fine tune setup page. --------------------------------------------------------------------------------------------------------------------
F11b
1. Add onboard lan controller.  --------------------------------------------------------------------------------------------------------------------
F11a
1. Support Riser Card.
2. Support V-Color Dimm. --------------------------------------------------------------------------------------------------------------------
F10
1.fix Ubuntu not boot correctly in legacy mode.
2.set above 4G default to enable for GPU card. --------------------------------------------------------------------------------------------------------------------
F09
BIOS Release Notes
1.release formal version and modify MMIO_64BIT_LIMIT. --------------------------------------------------------------------------------------------------------------------
F09b
1.improve display. --------------------------------------------------------------------------------------------------------------------
F09a
1.Modify bandwidth of slot 6. --------------------------------------------------------------------------------------------------------------------
F08
1.Update SMBIOS for BMC WebUI --------------------------------------------------------------------------------------------------------------------
F08b
1.Add XenServer EFI loader --------------------------------------------------------------------------------------------------------------------
F08a
1.Modify above 4G decoding setting default to disable for some Video card --------------------------------------------------------------------------------------------------------------------
F07
1.Change to formal version and fix 2.5” SED SSD stop issue --------------------------------------------------------------------------------------------------------------------
F07b
1.Update to AGESA 1.0.0.6 for test purpose --------------------------------------------------------------------------------------------------------------------
F06
1.Fix CentOS boot issue under UEFI mode
2.revise solution for G221-Z30 --------------------------------------------------------------------------------------------------------------------
F05
1.Add solution for G221-Z30 GPU server
2.Correct LAN string under BMC WebUI --------------------------------------------------------------------------------------------------------------------
F04
1.Update AGESA to 1.0.0.5 --------------------------------------------------------------------------------------------------------------------
F04b
1.Fix 64GB Rdimm display incorrect
2.Fix ECC trigger only log DIMM A0 --------------------------------------------------------------------------------------------------------------------
F04a
1.Fix NMI not BSOD issue
2.Fix HwInfoLib incorrect issue --------------------------------------------------------------------------------------------------------------------
F03
1.Update solution for die1 XHCI controller
2.Add patch solution for Qlogic G2 mode
3.Update AGESA 1.0.0.1 patch binary --------------------------------------------------------------------------------------------------------------------
F03d
1.remove some option for Enforce POR
2.Correct behavior of chipset page
3.Add solution for offboard SATA controller --------------------------------------------------------------------------------------------------------------------
F03c
1.Improve NMI if non-OS
2.Add NX mode option
3.Modify CMOS policy for factory tool --------------------------------------------------------------------------------------------------------------------
F03b
1.Setup menu update
2.Add patch for BMC 0x0F WA
3.Set AC back default to previous --------------------------------------------------------------------------------------------------------------------
F03a
1.Add AMD SGPIO WA --------------------------------------------------------------------------------------------------------------------
F02
1.NTFS file system as current channel
2.Disable SGPIO --------------------------------------------------------------------------------------------------------------------
F02n
1.update TSSataLib for SGPIO incorrect
2.SATA power modify
3.Improve SATA HotPlug --------------------------------------------------------------------------------------------------------------------
F02m
1.Set print screen key to F5
2.Add enforce POR feature
3.Enable SGPIO
4.Setup menu modification for channel
5.Fine tune USB export for WHLK --------------------------------------------------------------------------------------------------------------------
F02l
1.Disable SGPIO, due to BP under develop
2.Add SATA hot plug port
3.Fix USB 2.0 incorrect icon
4.Fix MB rework, but MB ID incorrect
5.Update clear CMOS jumper not display message
6.Console redirection enable 100x31 --------------------------------------------------------------------------------------------------------------------
F02k
1.Update AGESA to 1.0.0.1
2.Add SATA hot plug feature
3.Fix VMware ESXi 6.5 install issue
4.Fix CPU L3 cache incorrect on setup menu
5.Fix clear CMOS jumper not display message --------------------------------------------------------------------------------------------------------------------
F02j
1.Disabled FixBootOrder function for hang 0x0d.
2.Fixed HWLib hang 0x0d when warm reboot.
3.Disabled PCIe SATA controller module for hang 0xA2 0x0E 0x0C. --------------------------------------------------------------------------------------------------------------------
F02i
1. Fix LAN MAC incorrect
2. improve stop code issue --------------------------------------------------------------------------------------------------------------------
F02h
1. Improve stop 0xd, 0xc, 0x0e
2. Sync TSE source solution
3. Fix duplicate boot device if disk removed
4. Add BMC IPv6 setup page
5. Add GbtSystemBootEvent_SUPPORT
6. remove GbtOpromScan_SUPPORT
7. adjust kernel module sequence
8. Add RTCWakeup solution --------------------------------------------------------------------------------------------------------------------
F02g
1. Enabled SGPIO.
2. Added onboard lan controller.
3. Added memory ECC control item in AMD CBS.
4. Fixed HWLib for web site show wrong storage information. --------------------------------------------------------------------------------------------------------------------
F02f
1. Update for WHLK USB export test
2. Add FixBootOrder for channel spec --------------------------------------------------------------------------------------------------------------------
F02e
1.
2.
Implement USB redriver
Implement SATA redriver and CPU strength --------------------------------------------------------------------------------------------------------------------
F02d
1. add channel VLAN support
2. update send LAN MAC to BMC function
3. USB port mapping modify
4. SATA re-driver value update follow SQA suggestion
5. add AMD early train define
6. date description update to 2017
7. improve DOS reboot stop 0xAE issue --------------------------------------------------------------------------------------------------------------------
F02c
1. fix hang up issue in channel library
2. BMC webUI sync
3. set IOMMU default to disable --------------------------------------------------------------------------------------------------------------------
F02b
1. patch random hang up 0x0d issue
2. Add F12 HotKey for net boot.
3. CMOS modify for load default tool
4. Set CSM default to disable for channel spec --------------------------------------------------------------------------------------------------------------------
F02a
1. Update AGESA 1.0.0.0 --------------------------------------------------------------------------------------------------------------------
F01
1. First release.
 
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