While I haven't seen it specifically mentioned, the INIC-3609 may be one of those chips. A number of early controllers and bridges, especially with early firmware, are known to have unreliable UASP support. I'm also exploring the possibility that the problem is UASP-related. I made a couple more changes in a hex editor (replacing a suspected location of the VID with the Seagate value and reverting the string to "INIC-3609" in case the bridge always returns its real name to commands from the flashing software) but no combination has worked yet. The goal is to be able to "fix" drives with INIC-3609 bridges without having to pry apart the enclosures (which don't always snap together cleanly after disassembly, and I could just swap the bridge boards once they're open anyway). While I've read that doing that is possible I haven't tried it yet. If you invalidate the EEPROM (by shorting an appropriate pin to ground?), does the bridge revert to its generic factory code? It should identify itself as an INIC-3609 rather than a Seagate device. If anybody knows how to get the Initio FW update software to work that would be great. I tried changing the three instances of "INIC-3609" to "BUP Slim SL" (for a silver Backup Plus Slim) and all of the PIDs to AB24 (VID:PID is 0BC2:AB24 for Backup Plus Slims), but the scans still fail. "iCommon.dll" seems to be hardcoded with PIDs 3910, 3940, and 3980 along with "INIC-3609" for the device name. The two tools "Config.exe" and "MTPwin2.exe" both scan for a compatible device, but find nothing. The FW update tool is included with an official update for a FANTEC enclosure here:Įnter the model "ER-U3", select "ER-U3 Docking Station", and press the search button. I'm interested in trying the INIC-3609 v5.08 firmware from to see if these drives can be fixed without having to do a bridge swap. Seagate claims there are no firmware updates. The drives work flawlessly after the Initio bridge is replaced with an ASMedia or JMicron bridge. I test the drives (read+write+verify all sectors), put them into service, and they start to malfunction within a few days of use (several threads updating log files every 30-60s). The problem is not cables, soldering, voltage/PSU, or anything else like that. The drives with other bridges all work fine. The ones with Initio INIC-3609 bridges for SATA-USB are all unreliable with occasional "silent" corruption (no pop-up in Windows, just an Event Log entry), Delayed Write Failed pop-ups, and momentary disconnects. I have around 50 Seagate Slim USB 3.0 drives.
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January 2023
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