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Alexandre
2024-10-06 14:06:16 +02:00
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@@ -34,27 +34,16 @@ Install raspbian lite 64
### Modify config.txt ### Modify config.txt
``` ```
# Audio configuration for Focusrite Scarlett 2i2 on Raspberry Pi 3B+
# Enable audio and USB optimizations # Enable audio and USB optimizations
dtparam=audio=off # Disable the default onboard audio to prevent conflicts dtparam=audio=off # Disable the default onboard audio to prevent conflicts
dtoverlay=disable-bt # Disable onboard Bluetooth to reduce USB bandwidth usage dtoverlay=disable-bt # Disable onboard Bluetooth to reduce USB bandwidth usage
# Limit Ethernet to 100 Mbps (disable Gigabit Ethernet) # Limit Ethernet to 100 Mbps (disable Gigabit Ethernet)
dtparam=eth_max_speed=100 dtparam=eth_max_speed=100
# USB optimizations # USB optimizations
dwc_otg.fiq_fix_enable=1 # Enable FIQ (Fast Interrupt) handling for improved USB performance dwc_otg.fiq_fix_enable=1 # Enable FIQ (Fast Interrupt) handling for improved USB performance
max_usb_current=1 # Increase the available USB current (required if Scarlett is powered over USB) max_usb_current=1 # Increase the available USB current (required if Scarlett is powered over USB)
# CPU and performance tuning
force_turbo=0 # Ensure the CPU runs at max speed (optional, may reduce stability)
arm_freq=1400 # Set CPU frequency to 1400 MHz (default max for RPi 3B+)
core_freq=500 # Increase GPU core frequency for lower latency (optional)
# Additional audio settings (for low-latency operation) # Additional audio settings (for low-latency operation)
avoid_pwm_pll=1 # Use a more stable PLL for the audio clock avoid_pwm_pll=1 # Use a more stable PLL for the audio clock
# Optional: HDMI and other settings can be turned off if not needed # Optional: HDMI and other settings can be turned off if not needed
hdmi_blanking=1 # Disable HDMI (save power and reduce interference) hdmi_blanking=1 # Disable HDMI (save power and reduce interference)
``` ```