If I recall correctly, the XO-1.5's serial adapter shares some circuitry with the camera. Booting an XO-1.5 with a serial adapter means you cannot use the latter.
To do this, the XO-1.5 looks for a resistor placed across two of the wires to see if a serial adapter is present. No other XO laptop model has this restriction. Perhaps the older serial adapter simply lacks the sense resistor required for the XO-1.5 to switch modes. On Wed, Oct 21, 2015 at 5:15 PM, James Cameron <qu...@laptop.org> wrote: > On Wed, Oct 21, 2015 at 11:38:02AM -0500, Peter Easthope wrote: > > Seems that an adapter such as http://www.ebay.ca/itm/381346598663 , > > similar to the first generation adapter, might work. [...] > > Doubt it. The product description is inadequate, it does not state > the serial voltage. It does say supply voltage range. It does not > have any serial control signal strapping. And it has an RS232 > connector, which nobody should need these days. ;-} > > Get a USB adapter instead. As long as the adapter is for 3.3V serial, > it will work with the XO-1 host serial port. The adapter is powered > from the USB host. > > The same seller has a more appropriate adapter for a lower price: > > > http://www.ebay.com/itm/USB-TTL-Converter-Module-LED-CP2102-RX-TX-3-3V-5V-Output-/381153344387?hash=item58be827b83 > > There are now very many alternative adapters that are compatible. > > -- > James Cameron > http://quozl.linux.org.au/ > _______________________________________________ > Devel mailing list > Devel@lists.laptop.org > http://lists.laptop.org/listinfo/devel >
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