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AR# 50878

13.x/14.x - Cannot connect to DLC9 cable on Windows machine; write cmdbuffer failed 20000015, error reading reference voltage level


The following messages occur in the iMPACT console when connecting to a DLC9 cable on a Windows machine:

write cmdbuffer failed 20000015.
Error reading reference voltage level.
Cable connection failed.

How do I work around this issue?


This issue affects the DLC9 cable. If you have another cable, this issue should not affect it.

Linked Answer Records

Master Answer Records

Answer Number Answer Title Version Found Version Resolved
47890 14.x iMPACT - Known Issues for the iMPACT 14.x tools N/A N/A
AR# 50878
Date 02/01/2018
Status Active
Type General Article
  • ISE Design Suite - 13
  • ISE Design Suite - 14
Boards & Kits
  • Platform Cable USB
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