2CPU

Before the downgrade make sure to backup your data.

However you need to swap the CPU to one that does not have the Intel e-fuses burned by microcode (happens on the later BIOS for security fixes). Otherwise your R1 will not boot. I had planned an upgrade of the 9900 to 9900K, got one from eBay after confirming the user never updated their BIOS. A flash from 1.27.0 to 1.12.0 worked fine and then I used recovery method to downgrade to 1.3.2 which resulted in no boot. I then swapped to 9900K and system booted with 1.3.2 BIOS. I immediately changed BIOS settings to disable firmware capsule update.

Disappointing as I thought I found a workaround by using HDMI output of the 5080. But just happened to have a "good boot" where everything was fine. I can tell things are not correct when the opening of Indiana game has garbled audio.

Removing the RAM did not help with the misbehavior. It seems that the AGA/5080 comes up in good state sometimes and marginal state other times (more often lately in marginal). If attempting to run 3dmark and it will freeze on the marginal occasions. Could just be bad PCIe link training or something with enumeration on boot. Anyways, not my best runs but at least now in a working state. Steel Nomad at 80+ fps seems decent.

It was plug and play for about three days (Add Y splitter for power and display port cable from 5080 to Monitor). Not sure why but today the system is really unstable. Only thing I changed was adding some new RAM so I need to take that out and see if any improvement. Just really strange since last night I was getting sudden drops in the IJ full circle to 5 fps then back to 50+ which did not happen Saturday (the day I added more RAM). Now the game refuses to launch properly and runs at 5 fps the entire time and me messing with the settings with a choppy mouse hasn't helped. I read that the best way to unlock the full potential of the AGA is to manually disable the internal/laptop gfx discrete (somehow in BIOS such that they do not show in OS) such that the system only looks to the AGA card. I haven't discovered those steps but perhaps I am getting unlucky BIOS enumeration which is giving the 5080 trouble w the OS? Sometimes if I have the other cards disabled in the device manager then strange things happen. One being the internal LCD does not cleanly hand-off during boot and stuck with logo when the 5080 monitor takes over. (not always though)

I've seen some really great scores from Reddit with the amplifier. I went to check the how-to and post was removed by a filter. Does anyone know the steps? Guessing I hook up the display to the back of my card in the alienware amplifier.

I ended up removing the Alienware command center and downloading the 1.1G (full version) for a re-install. After a few reboots the amplifier can be seen for the FX adjustment.

Oh man I super miss all the great info from Notebookreview. Do we know where Prema & MrFox are now? Just threw $50 of more RAM in the R1 I have and the RTX 5080 in the amplifier is working great.

BTW the 5080 works just fine. I actually screwed up my Win10 by trying to use the "HackFlags" and had to reinstall windows since I did not realize the boot hang was exactly due to that flag. I wish I had bought the eight pin Y-cable first since it is required to get the 5080 to turn on with the default Alienware Gfx Amplifier power supply. Once the Y cable is installed such that all three of the power adapter is filled the card just comes up as “Microsoft Basic Display Adapter”. Just installed the latest Nvidia driver which updated both 2080/5080. However when I installed AWCC the program does not give me a logo with the amplifier. The 3dmark scores jump up like crazy when comparing 2080 vs the 5080. I just recently bought Guardians of the Galaxy and Indiana Jones which both run Ultra settings so the 2080 would of totally fallen on its face. Timespy results are nearly 20k