Atum A5 FAQ01

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(Created page with "== Troubleshooting == === 2.5G Ethernet Connectivity Issues === If you encounter issues with the 2.5G Ethernet functionality on the Atum A5 development kit, please verify the h...")
 
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==== Solution ====
==== Solution ====
Please ensure that the '''SW26''' slide switch is configured correctly. This switch is used to set the Ethernet PHY address (PHY_ADR). If the setting is incorrect, the system will fail to identify the PHY chip properly.
Please ensure that the '''SW26''' slide switch is configured correctly. This switch is used to set the Ethernet PHY address (PHY_ADR). If the setting is incorrect, the system will fail to identify the PHY chip properly.
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[[File:Atum A5 2.5G Ethernet Connectivity Issues.png|400px]]
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'''Correct Switch Settings:'''
'''Correct Switch Settings:'''
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| SW26.4 || OFF || Deselect 111 for PHYAD[4:2]
| SW26.4 || OFF || Deselect 111 for PHYAD[4:2]
|}
|}
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[[File:Image_15.png|300px|thumb|Figure 2-8 Position of slide switches SW26]]
 
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* '''Note:'''
 
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** Please refer to the figure above to confirm the orientation of the slide switches.
 
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** If the issue persists after verifying the switch settings, please check the network cable or power cycle the development board and try again.
 
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** If you still cannot resolve the issue after these checks, please contact the Terasic Technical Support team with your detailed test steps for further assistance.
 

Latest revision as of 15:19, 27 May 2026

Contents

Troubleshooting

2.5G Ethernet Connectivity Issues

If you encounter issues with the 2.5G Ethernet functionality on the Atum A5 development kit, please verify the hardware switch settings first.

Problem Description

The 2.5G Ethernet interface fails to establish a link or is unable to transmit data.

Solution

Please ensure that the SW26 slide switch is configured correctly. This switch is used to set the Ethernet PHY address (PHY_ADR). If the setting is incorrect, the system will fail to identify the PHY chip properly.


Atum A5 2.5G Ethernet Connectivity Issues.png


Correct Switch Settings: Set SW26.1 to ON, and ensure all other switches (SW26.2, SW26.3, SW26.4) are set to OFF.

Table 2-6 SW26 Settings
Switch State Description
SW26.1 ON Select 000 for PHYAD[4:2]
SW26.2 OFF Deselect 001 for PHYAD[4:2]
SW26.3 OFF Deselect 010 for PHYAD[4:2]
SW26.4 OFF Deselect 111 for PHYAD[4:2]
Retrieved from "http://www.terasic.com.tw/wiki/Atum_A5_FAQ01"
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