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Gigabyte B550 Vision D (Thunderbolt 3) + AMD Ryzen 7 3700X + AMD RX 5600 XT

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Well now that I have some time to spare, I tried to update the OC to 0.6.8. on the B550 board. Having two issues at the moment - first is the system doesn't seem to be updating to Big Sur 11.3 despite being detected by macOS updater. The 11.3 update gets downloaded and seemingly 'installed' - but I don't see anything changed after rebooting - it remains on 11.2. And secondly, when I was testing an 11.2.3 update earlier. it's somehow created a Macintosh HD selection in the OpenCore boot menu - but oddly it's not showing up as anything at all in Disk Utility (so I can't remove it). I only see the original Big Sur container. The 11.2.3 update was meant to only install to the main system drive 'Macintosh SSD'.
 

CaseySJ

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Well now that I have some time to spare, I tried to update the OC to 0.6.8. on the B550 board. Having two issues at the moment - first is the system doesn't seem to be updating to Big Sur 11.3 despite being detected by macOS updater. The 11.3 update gets downloaded and seemingly 'installed' - but I don't see anything changed after rebooting - it remains on 11.2. And secondly, when I was testing an 11.2.3 update earlier it's somehow created a Macintosh HD selection in the Opencore boot menu - but oddly it's not showing up as anything at all in Disk Utility (so I can't remove it). I only see the original Big Sur container. The 11.2.3 update was meant to only install to the main system drive 'Macintosh SSD'.
Some comments:
  • macOS 11.3 requires updated AMD kernel patches. These patches are already incorporated into the latest OpenCore EFI in this thread.
Screen Shot 2021-04-28 at 4.54.59 AM.png

  • We should also ensure that there is at least 12GB x 3 or 36GB free disk space. 12GB is the approximate size of the full installer, so multiplying by 3 seems like a good safety buffer.
  • On my B550 Vision D, the Macintosh HD volume successfully appeared during all 8 of the 11.3 beta installs. I'm running 11.4 beta 1 now, again with no trouble. No kernel patch updates are needed for 11.4 once the patches for 11.3 are installed.
 
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Right got it thanks @CaseySJ! I think I might know what the issue is. I tried to run the Macintosh HD drive but the update didn’t work for me. I might reinstall 11.3 onto a separate drive and see how that goes.
 
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I've finally figured out how to correctly use the Memory section in OC. I decided to work on this since I've now changed to using MacPro7,1 instead of iMacPro1,1 due to the former apparently being a better match for going forward with AMD 6x00XT GPUs.

If you follow this guide carefully, you will not need the kext "RestrictEvents.kext" file, and you will no longer see a memory error. I've only tested in Big Sur, but it should work under Catalina as well.

Here's the memory guide:

OC's "BANK" numbers were re-arranged to better match the memory upgrade instructions per Apples's docs. The Bank numbers in their order of appearance are slots: 7, 8, 9, 10, 11, 12, 6, 5, 4, 3, 2, and 1. These correspond to the slot numbers on the memory board. In Apple's docs, the slots are arranged into DIMM Channels, A-F. DIMM Channel A are Banks/slots 7, 8; B are 9,10; C are 11, 12; D are 5, 6; E are 3, 4; and F are 1, 2 (as shown in spoiler below).

Screen Shot 2021-05-01 at 12.41.47 PM.png



Screen Shot 2021-05-01 at 12.41.55 PM.png


Screen Shot 2021-05-01 at 12.42.08 PM.png

If properly arranged, below is what is seen with 8 DIMMs installed on my TRX40 mobo. While most mobos only allow 8 memory slots (and some only allow 4), an actual MacPro7,1 has 12 slots, so our mobos will always have at least 4 slots empty. Now, should you only be using 4 memory sticks, then set to empty the following slots: 1, 2, 3, 5, 8, 10, 11, 12. In other words, if you are using 4 DIMMs, only slots 4, 6, 7 and 9 will be populated (thanks djlild7hina!).

Note: this does not mean you physically move your DIMMs about on your mobo; this whole process is to map your DIMMs into software locations where the macOS is expecting them to be positioned. Keep your DIMMs physically where the mobo manual recommends.



The code within OC is shown in excerpt below (I use PlistEditPro; the full code is downloadable as an attachment). Add it enbloc as the "Memory" section within the PlatformInfo section (also make sure to enable "CustomMemory"). The SNs are arbitrary (add your actual ones if you're more OCD than me). The part numbers are mine as used, made by Cosair; change these values as you wish. The AssetTag is also arbitrary but only entered if that memory slot is populated. Finally, change the Size and Speed values to better match your DIMM.


If SystemInformation is run, the following is seen:
Screen Shot 2021-05-01 at 12.18.02 PM.png

In the attachment, I included the 8 DIMMs as well as one for 4 DIMMs (4 DIMM verified and fixed by djlild7hina). Inactivate either one with "#" symbol or activate by removing "#" and editing the label heading to "Memory":
Screen Shot 2021-05-01 at 12.23.18 PM.png



Update:

Attached file now includes 2, 4 and 8 DIMM setups.
 

Attachments

  • OC-Memory-MacPro7,1-2-4-8.plist.zip
    1.6 KB · Views: 23
Last edited:

CaseySJ

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@rj510,

This is awesome! Reference will be added to Post 1 shortly.

Update: Done.
 
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I've finally figured out how to correctly use the Memory section in OC. I decided to work on this since I've now changed to using MacPro7,1 instead of iMacPro1,1 due to the former apparently being a better match for going forward with AMD 6x00XT GPUs.

If you follow this guide carefully, you will not need the kext "RestrictEvents.kext" file, and you will no longer see a memory error. I've only tested in Big Sur, but it should work under Catalina as well.

Here's the memory guide:

OC's "BANK" numbers were re-arranged to better match the memory upgrade instructions per Apples's docs. The Bank numbers in their order of appearance are slots: 7, 8, 9, 10, 11, 12, 6, 5, 4, 3, 2, and 1. These correspond to the slot numbers on the memory board. In Apple's docs, the slots are arranged into DIMM Channels, A-F. DIMM Channel A are Banks/slots 7, 8; B are 9,10; C are 11, 12; D are 5, 6; E are 3, 4; and F are 1, 2 (as shown in spoiler below).


If properly arranged, below is what is seen with 8 DIMMs installed on my TRX40 mobo. While most mobos only allow 8 memory slots (and some only allow 4), an actual MacPro7,1 has 12 slots, so our mobos will always have at least 4 slots empty. Now, should you only be using 4 memory sticks, then set to empty the following slots: 1, 2, 4, 6, 7, 9, 11, 12. In other words, if you are using 4 DIMMs, only slots 3, 5, 8 and 10 will be populated. (Note: this does not mean you physically move your DIMMs about on your mobo; this whole process is to map your DIMMs into software locations where the macOS is expecting them to be positioned. Keep your DIMMs physically where the mobo manual recommends.)



The code within OC is shown in excerpt below (I use PlistEditPro; the full code is downloadable as an attachment). Add it enbloc as the "Memory" section within the PlatformInfo section (also make sure to enable "CustomMemory"). The SNs are arbitrary (add your actual ones if you're more OCD than me). The part numbers are mine as used, made by Cosair; change these values as you wish. The AssetTag is also arbitrary but only entered if that memory slot is populated. Finally, change the Size and Speed values to better match your DIMM.


If SystemInformation is run, the following is seen:

In the attachment, I included the 8 DIMMs as well as one for 4 DIMMs (I've only tested the 8 DIMM version). Inactivate either one with "#" symbol or activate by removing "#" and editing the label heading to "Memory":
View attachment 517163

Thanks for this! I'll add it to my github.

I'm not sure if it's just for platforms with 8 dimms (TRX40/X299) and only 4 memory slots occupied but I was getting the memory notification error with your 4DIMM example with Banks (8,10,5,3) occupied.
I changed it to Banks (4,6,7,9) and it works fine now.

Screen Shot 2021-05-01 at 5.01.20 PM.png


Screen Shot 2021-05-01 at 5.01.30 PM.png


Code:
<key>Memory</key>
        <dict>
            <key>DataWidth</key>
            <integer>64</integer>
            <key>Devices</key>
            <array>
                <dict>
                    <key>AssetTag</key>
                    <string>123456789</string>
                    <key>BankLocator</key>
                    <string>BANK 7</string>
                    <key>DeviceLocator</key>
                    <string>ChannelE-DIMM0</string>
                    <key>Manufacturer</key>
                    <string>Corsair</string>
                    <key>PartNumber</key>
                    <string>CMK32GX4M2E3200C16</string>
                    <key>SerialNumber</key>
                    <string>00000000</string>
                    <key>Size</key>
                    <integer>16384</integer>
                    <key>Speed</key>
                    <integer>3200</integer>
                </dict>
                <dict>
                    <key>AssetTag</key>
                    <string></string>
                    <key>BankLocator</key>
                    <string>BANK 8</string>
                    <key>DeviceLocator</key>
                    <string>ChannelE-DIMM1</string>
                    <key>Manufacturer</key>
                    <string>NO DIMM</string>
                    <key>PartNumber</key>
                    <string></string>
                    <key>SerialNumber</key>
                    <string></string>
                    <key>Size</key>
                    <integer>0</integer>
                    <key>Speed</key>
                    <integer>0</integer>
                </dict>
                <dict>
                    <key>AssetTag</key>
                    <string>123456789</string>
                    <key>BankLocator</key>
                    <string>BANK 9</string>
                    <key>DeviceLocator</key>
                    <string>ChannelD-DIMM0</string>
                    <key>Manufacturer</key>
                    <string>Corsair</string>
                    <key>PartNumber</key>
                    <string>CMK32GX4M2E3200C16</string>
                    <key>SerialNumber</key>
                    <string>00000000</string>
                    <key>Size</key>
                    <integer>16384</integer>
                    <key>Speed</key>
                    <integer>3200</integer>
                </dict>
                <dict>
                    <key>AssetTag</key>
                    <string>123456789</string>
                    <key>BankLocator</key>
                    <string>BANK 10</string>
                    <key>DeviceLocator</key>
                    <string>ChannelD-DIMM1</string>
                    <key>Manufacturer</key>
                    <string>NO DIMM</string>
                    <key>PartNumber</key>
                    <string></string>
                    <key>SerialNumber</key>
                    <string></string>
                    <key>Size</key>
                    <integer>0</integer>
                    <key>Speed</key>
                    <integer>0</integer>
                </dict>
                <dict>
                    <key>AssetTag</key>
                    <string></string>
                    <key>BankLocator</key>
                    <string>BANK 11</string>
                    <key>DeviceLocator</key>
                    <string>ChannelF-DIMM0</string>
                    <key>Manufacturer</key>
                    <string>NO DIMM</string>
                    <key>PartNumber</key>
                    <string></string>
                    <key>SerialNumber</key>
                    <string></string>
                    <key>Size</key>
                    <integer>0</integer>
                    <key>Speed</key>
                    <integer>0</integer>
                </dict>
                <dict>
                    <key>AssetTag</key>
                    <string></string>
                    <key>BankLocator</key>
                    <string>BANK 12</string>
                    <key>DeviceLocator</key>
                    <string>ChannelF-DIMM1</string>
                    <key>Manufacturer</key>
                    <string>NO DIMM</string>
                    <key>PartNumber</key>
                    <string></string>
                    <key>SerialNumber</key>
                    <string></string>
                    <key>Size</key>
                    <integer>0</integer>
                    <key>Speed</key>
                    <integer>0</integer>
                </dict>
                <dict>
                    <key>AssetTag</key>
                    <string>123456789</string>
                    <key>BankLocator</key>
                    <string>BANK 6</string>
                    <key>DeviceLocator</key>
                    <string>ChannelA-DIMM0</string>
                    <key>Manufacturer</key>
                    <string>Corsair</string>
                    <key>PartNumber</key>
                    <string>CMK32GX4M2E3200C16</string>
                    <key>SerialNumber</key>
                    <string>00000000</string>
                    <key>Size</key>
                    <integer>16384</integer>
                    <key>Speed</key>
                    <integer>3200</integer>
                </dict>
                <dict>
                    <key>AssetTag</key>
                    <string></string>
                    <key>BankLocator</key>
                    <string>BANK 5</string>
                    <key>DeviceLocator</key>
                    <string>ChannelA-DIMM1</string>
                    <key>Manufacturer</key>
                    <string>NO DIMM</string>
                    <key>PartNumber</key>
                    <string></string>
                    <key>SerialNumber</key>
                    <string></string>
                    <key>Size</key>
                    <integer>0</integer>
                    <key>Speed</key>
                    <integer>0</integer>
                </dict>
                <dict>
                    <key>AssetTag</key>
                    <string>123456789</string>
                    <key>BankLocator</key>
                    <string>BANK 4</string>
                    <key>DeviceLocator</key>
                    <string>ChannelB-DIMM0</string>
                    <key>Manufacturer</key>
                    <string>Corsair</string>
                    <key>PartNumber</key>
                    <string>CMK32GX4M2E3200C16</string>
                    <key>SerialNumber</key>
                    <string>00000000</string>
                    <key>Size</key>
                    <integer>16384</integer>
                    <key>Speed</key>
                    <integer>3200</integer>
                </dict>
                <dict>
                    <key>AssetTag</key>
                    <string></string>
                    <key>BankLocator</key>
                    <string>BANK 3</string>
                    <key>DeviceLocator</key>
                    <string>ChannelB-DIMM1</string>
                    <key>Manufacturer</key>
                    <string>NO DIMM</string>
                    <key>PartNumber</key>
                    <string></string>
                    <key>SerialNumber</key>
                    <string></string>
                    <key>Size</key>
                    <integer>0</integer>
                    <key>Speed</key>
                    <integer>0</integer>
                </dict>
                <dict>
                    <key>AssetTag</key>
                    <string></string>
                    <key>BankLocator</key>
                    <string>BANK 2</string>
                    <key>DeviceLocator</key>
                    <string>ChannelC-DIMM0</string>
                    <key>Manufacturer</key>
                    <string>NO DIMM</string>
                    <key>PartNumber</key>
                    <string></string>
                    <key>SerialNumber</key>
                    <string></string>
                    <key>Size</key>
                    <integer>0</integer>
                    <key>Speed</key>
                    <integer>0</integer>
                </dict>
                <dict>
                    <key>AssetTag</key>
                    <string></string>
                    <key>BankLocator</key>
                    <string>BANK 1</string>
                    <key>DeviceLocator</key>
                    <string>ChannelC-DIMM1</string>
                    <key>Manufacturer</key>
                    <string>NO DIMM</string>
                    <key>PartNumber</key>
                    <string></string>
                    <key>SerialNumber</key>
                    <string></string>
                    <key>Size</key>
                    <integer>0</integer>
                    <key>Speed</key>
                    <integer>0</integer>
                </dict>
            </array>
            <key>ErrorCorrection</key>
            <integer>3</integer>
            <key>FormFactor</key>
            <integer>9</integer>
            <key>MaxCapacity</key>
            <integer>274877906944</integer>
            <key>TotalWidth</key>
            <integer>64</integer>
            <key>Type</key>
            <integer>26</integer>
            <key>TypeDetail</key>
            <integer>128</integer>
        </dict>
 
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Thanks for this! I'll add it to my github.

I'm not sure if it's just for platforms with 8 dimms (TRX40/X299) and only 4 memory slots occupied but I was getting the memory notification error with your 4DIMM example with Banks (8,10,5,3) occupied.
I changed it to Banks (4,6,7,9) and it works fine now.

View attachment 517187

Thanks! I've updated my above post and attachment, to incorporate your corrected 4 DIMM settings.
 
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Besides the AMD 6900XT drivers being present in the latest Big Sur public beta and usable when the SMBIOS MacPro7,1 is used. I noticed another advantage to using the MacPro7,1 SMBIOS (at least on my TRX40 build): the USB-C port on the TB card is present and active.

However, when a USB-C drive is connected, it is not hot-pluggable but must be connected to the computer before booting in order to mount onto the desktop. The USB-C port did not show up, using the same SSDT, under iMacPro1,1, again this was on the TRX40.

Screen Shot 2021-05-01 at 7.59.38 AM.png



*******

UPDATE:

Having praised the functionality of USB-C on the TB AIC under MacPro7,1, I had to remove the card.

It turns out that the TB AIC on my MSI TRX40 mobo (which does not natively support TB AIC) was leading to a freeze of the computer within 5 minutes of booting with the latest public release of Big Sur 11.4 ß1. Despite looking at USB causes, it turns out that once the TB AIC was removed, there were no more freezes. There were no freezes with the TB AIC when used under 11.2.3; but there were freezes with latest 11.3 release too.
 
Last edited:
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Folks,

Just thought to inform you, there's a new update available on the Gigabyte website for the B550 Vision D (F13i) which brings AGESA support and fixes USB 2.0 stablilty.

Just be wary that you will need to disable Resizeable Bar in Settings > IO Ports to get it to boot Catalina or Big Sur, possibly also enable SVM Support and Above 4G Decoding as well.
 

CaseySJ

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*******

UPDATE:

Having praised the functionality of USB-C on the TB AIC under MacPro7,1, I had to remove the card.

It turns out that the TB AIC on my MSI TRX40 mobo (which does not natively support TB AIC) was leading to a freeze of the computer within 5 minutes of booting with the latest public release of Big Sur 11.4 ß1. Despite looking at USB causes, it turns out that once the TB AIC was removed, there were no more freezes. There were no freezes with the TB AIC when used under 11.2.3; but there were freezes with latest 11.3 release too.
I experienced exactly this issue on my Intel Z490 Vision D with flashed GC-Titan Ridge. There’s a USB port kernel panic. Had to remove the card.
 
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