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To address your question, let’s break down the information and analyze the possibilities.
Current Configuration:
Your Jetson Orin NX is currently configured to use USB BOT (Bulk-Only Transport) mode, which allows it to expose a partition to an externally connected host. This configuration is working fine, and you’re achieving data transfer speeds of about 300 MB/s.
Goal:
Your goal is to improve the mass storage device read speed by reconfiguring the Jetson Orin NX to appear as a USB UASP (USB Attached SCSI Protocol) device.
USB UASP vs. USB BOT:
USB UASP is a more advanced protocol that provides better performance and efficiency compared to USB BOT. UASP supports multiple commands, allowing for more efficient data transfer and improved performance.
Hardware Limitation:
The Jetson Orin NX hardware supports USB 3.x, which is capable of achieving speeds of up to 5 Gbps. Since you’re already achieving 5 Gbps speeds in your current configuration, it’s unlikely that the hardware is the limiting factor.
Linux Kernel Support:
The Linux kernel 5.15, which is running on your Jetson Orin NX, does support USB UASP. However, the kernel configuration and module loading might need to be adjusted to enable UASP support.
Reconfiguration Possibility:
To reconfigure your Jetson Orin NX to appear as a USB UASP device, you’ll need to:
- Verify that the Linux kernel 5.15 has the necessary UASP support modules loaded. You can check this by running the command
lsmod | grep uas.
- If the UASP support modules are not loaded, you’ll need to configure the kernel to load them. This might involve modifying the kernel configuration files or adding the necessary modules to the kernel command line.
- Once the UASP support modules are loaded, you’ll need to configure the USB device to use UASP instead of BOT. This might involve modifying the USB device configuration files or using a tool like
usb_modeswitch to switch the device to UASP mode.
Comparison with Other Options:
If reconfiguring the Jetson Orin NX to use UASP is not possible or does not provide the desired performance improvement, you might consider other options, such as:
- Using a different USB controller or hub that supports UASP.
- Implementing a custom USB driver or firmware that optimizes data transfer speeds.
- Exploring other storage protocols, such as NVMe or SATA, which might provide better performance than USB.
In conclusion, while it’s possible to reconfigure the Jetson Orin NX to appear as a USB UASP device, it will likely require kernel configuration and module loading adjustments. If successful, this reconfiguration might improve the mass storage device read speed. However, if the reconfiguration is not possible or does not provide the desired performance improvement, you might need to explore other options.
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