Best PSP Lakka overclock

gunzip --stdout Lakka-RPi.arm-3.1.img.gz | dd of=/dev/sdb bs=1M status=progress; sync;
gunzip --stdout Lakka-RPi.arm-3.1.img.gz | dd of=/dev/sdc bs=1M status=progress; sync;

gunzip --stdout Lakka-RPi2.arm-3.1.img.gz | dd of=/dev/sdb bs=1M status=progress; sync;
gunzip --stdout Lakka-RPi2.arm-3.1.img.gz | dd of=/dev/sdc bs=1M status=progress; sync;

gunzip --stdout Lakka-RPi4.aarch64-3.1.img.gz | dd of=/dev/sdb bs=1M status=progress; sync;
gunzip --stdout Lakka-RPi4.aarch64-3.1.img.gz | dd of=/dev/sdc bs=1M status=progress; sync;

Mount:

mount /dev/sdc1 /mnt

Open config:

vi /mnt/config.txt

Add:

over_voltage=4
arm_freq=1950
gpu_freq=600
v3d_freq=750

Umount:

cd
umount /mnt

Enable SSH, autorize with user 'root' and password 'root'. See if settings observed:

for src in arm core h264 isp v3d uart pwm emmc pixel vec hdmi dpi ; do \
echo -e "$src:\t$(vcgencmd measure_clock $src)" ; \
done

List live settings:

vcgencmd get_config int

Create the mount point folder:

mkdir /storage/roms/nas

Create the mount unit:

cat << 'EOF' > /storage/.config/system.d/storage-roms-psx.mount
[Unit]
Description=cifs mount script
Requires=network-online.service
After=network-online.service
Before=retroarch.service

[Mount]
What=//192.168.88.59/PSXISO
Where=/storage/roms/psx
Options=username=guest,rw
Type=cifs

[Install]
WantedBy=multi-user.target
EOF

cat << 'EOF' > /storage/.config/system.d/storage-roms-nes.mount
[Unit]
Description=cifs mount script
Requires=network-online.service
After=network-online.service
Before=retroarch.service

[Mount]
What=//192.168.88.59/roms/nes
Where=/storage/roms/nes
Options=username=guest,rw
Type=cifs

[Install]
WantedBy=multi-user.target
EOF

cat << 'EOF' > /storage/.config/system.d/storage-roms-n64.mount
[Unit]
Description=cifs mount script
Requires=network-online.service
After=network-online.service
Before=retroarch.service

[Mount]
What=//192.168.88.59/roms/n64
Where=/storage/roms/n64
Options=username=guest,rw
Type=cifs

[Install]
WantedBy=multi-user.target
EOF

cat << 'EOF' > /storage/.config/system.d/storage-roms-megadrive.mount
[Unit]
Description=cifs mount script
Requires=network-online.service
After=network-online.service
Before=retroarch.service

[Mount]
What=//192.168.88.59/roms/megadrive
Where=/storage/roms/megadrive
Options=username=guest,rw
Type=cifs

[Install]
WantedBy=multi-user.target
EOF

cat << 'EOF' > /storage/.config/system.d/storage-roms-snes.mount
[Unit]
Description=cifs mount script
Requires=network-online.service
After=network-online.service
Before=retroarch.service

[Mount]
What=//192.168.88.59/roms/snes
Where=/storage/roms/snes
Options=username=guest,rw
Type=cifs

[Install]
WantedBy=multi-user.target
EOF


systemctl daemon-reload

Enable and start:

systemctl enable storage-roms-psx.mount storage-roms-nes.mount storage-roms-n64.mount storage-roms-megadrive.mount storage-roms-snes.mount
systemctl start storage-roms-psx.mount storage-roms-nes.mount storage-roms-n64.mount storage-roms-megadrive.mount storage-roms-snes.mount