memory training and memory checking is on default .
under dram timings at the bottom of the page is
"mch full check "
"mrc fast boot"
disabling those ( make sure your ram passes stabilty tests first ) this will be about 8 - 15 seconds less + fast boot on under boot options in bios as well
13900 ks @ 6.0 GHZ | 5.1 R | 4.5 E | DDR4 32GB @ 4,400 c16 G1 | RTX 4090 | XG27AQN 1440P 27" 360Hz G-Sync ULMB 2