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Works, but Fussy 11/20/2013
This review is from: VisionTek 900639 DisplayPort to Dual Link DVI-D Active Adapter (M/F)
Supports 2560x1600 monitors, inexpensive, portable, NO USB POWER REQUIRED! Also seems more reliable than USB-powered adapters.
I use it between a Lenovo dock (not USB 3.0 port extender) and an older HP LP3065 that is Dual-Link DVI only.
Note - you MUST have dual-link DVI cable to get this to work. No way to visually distinguish single-link & dual-link DVI cables. People get frustrated becamse some single-link DVI cables have all the dual-link DVI-D pins, but don't support dual-link DVI.
I grab a Sharpie and write "D-L" on the connectors with every Dual-Link DVI cable I buy. Saves a lot of heartbreak.
Had to futz around to make it work. Not sure which step made the difference:
- Used adequate power supply for the dock & laptop. Don't know if 90 watts is sufficient.
- Power-cycled the monitor - with the physical on-off switch - once the monitor was connected to the dock via this product with laptop running in the dock.
- Doesn't seem to work via laptop's Mini DisplayPort and Mini DP to DP adapter when laptop is undocked.
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