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FAQs



Free Linux Reference Designs FAQ

Q: Ethernet does not work properly when connected to a hub
Q: System requests login password when using flash file system (ver 1.0)
Q: U-Boot images for MPC8266ADS board (both ver 1.0 and ver 1.1)
Q: Boot images for 66MHz PQ2FADS boards (both ver 1.0 and ver 1.1)

 

General FAQ



Free Linux Reference Designs FAQ


Ethernet does not work properly when connected to a hub
Ethernet services are not stable when connected to a hub. This problem nearly always appears when working at 10Mbps and sometimes occurs at 100Mbps. Initial indications point toward this being a problem with the Ethernet PHY device, but this is not final. This problem is still under investigation.

Workaround: Either use a switch or a direct cross-cable connection. The problem seems to appear only with hubs.

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System requests login password when using flash file system (ver 1.0)
When using the kernel that mounts root from the flash file system image, you may be asked for a login password. This is due to a bug in the construction of the flash file system image itself and is fixed by downloading the file uJFFS2-1.0-2 and using it instead of the file uJFFS2 supplied on the distribution CD.

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U-Boot images for MPC8266ADS board (both ver 1.0 and ver 1.1)
Arabella Linux supports Motorola MPC8266ADS board. U-Boot image for this board is provided here. The image is based on version 1.0.0 of U-Boot and works with default 66MHz oscillator.

u-boot: ELF U-Boot image [in download section]
u-boot.bin: Raw binary U-Boot image [in download section]
u-boot.srec: S-records U-Boot image [in download section]

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Boot images for 66MHz PQ2FADS boards (both ver 1.0 and ver 1.1)
PQ2FADS-VR board comes standard with 66MHz main clock oscillator. Arabella Linux free CD contains U-Boot image for 100MHz oscillator only. If you use PQ2FADS-VR or PQ2FADS-ZU board with 66MHz oscillator, you can download U-Boot image in format suitable for your flash programmer. This image is based on version 0.4.7 of U-Boot.

u-boot: ELF U-Boot image [in download section]
u-boot.bin: Raw binary U-Boot image [in download section]
u-boot.srec: S-records U-Boot image [in download section]

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General FAQ