47 lines
1.3 KiB
Bash
Executable File
47 lines
1.3 KiB
Bash
Executable File
#!/bin/sh -e
|
|
|
|
MSR_FILE=/sys/module/msr/parameters/allow_writes
|
|
|
|
if test -e "$MSR_FILE"; then
|
|
echo on > $MSR_FILE
|
|
else
|
|
modprobe msr allow_writes=on
|
|
fi
|
|
|
|
if grep -E 'AMD Ryzen|AMD EPYC' /proc/cpuinfo > /dev/null;
|
|
then
|
|
if grep "cpu family[[:space:]]\{1,\}:[[:space:]]25" /proc/cpuinfo > /dev/null;
|
|
then
|
|
if grep "model[[:space:]]\{1,\}:[[:space:]]97" /proc/cpuinfo > /dev/null;
|
|
then
|
|
echo "Detected Zen4 CPU"
|
|
wrmsr -a 0xc0011020 0x4400000000000
|
|
wrmsr -a 0xc0011021 0x4000000000040
|
|
wrmsr -a 0xc0011022 0x8680000401570000
|
|
wrmsr -a 0xc001102b 0x2040cc10
|
|
echo "MSR register values for Zen4 applied"
|
|
else
|
|
echo "Detected Zen3 CPU"
|
|
wrmsr -a 0xc0011020 0x4480000000000
|
|
wrmsr -a 0xc0011021 0x1c000200000040
|
|
wrmsr -a 0xc0011022 0xc000000401570000
|
|
wrmsr -a 0xc001102b 0x2000cc10
|
|
echo "MSR register values for Zen3 applied"
|
|
fi
|
|
else
|
|
echo "Detected Zen1/Zen2 CPU"
|
|
wrmsr -a 0xc0011020 0
|
|
wrmsr -a 0xc0011021 0x40
|
|
wrmsr -a 0xc0011022 0x1510000
|
|
wrmsr -a 0xc001102b 0x2000cc16
|
|
echo "MSR register values for Zen1/Zen2 applied"
|
|
fi
|
|
elif grep "Intel" /proc/cpuinfo > /dev/null;
|
|
then
|
|
echo "Detected Intel CPU"
|
|
wrmsr -a 0x1a4 0xf
|
|
echo "MSR register values for Intel applied"
|
|
else
|
|
echo "No supported CPU detected"
|
|
fi
|