I recently learned from that the biggest issue with the 4800s is that folks are having trouble setting up IMDT to make some of that sweet sweet NVRAM. Here’s a quick and dirty guide.
INTERNET CONNECTION REQUIRED
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Download the IMDT software from : https://www.memorydrv.com/downloads/latest
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Gather the license numbers from Intel.
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Start the installation using the switches " in -n " ie. sudo ./imdt_installer-8.6.2535.142.sh in -n
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License your drives matching the IMDT serial numbers to the SSD serial numbers.
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Provide your email address in order to activate the licenses.
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Check your email and download the IMDT license file.
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Install the licenses to each drive : ie. sudo ./imdt_installer-8.6.2535.142.sh in -n IMDT_Licenses-IMDT40128528.txt
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Add IMDT to the UEFI bootloader list.
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Reboot and verify Optane is being used as memory.