Dual-head on ATI Mobility (Acer laptop)
c.cooper at ecu.edu.au
Fri Mar 19 06:51:09 UTC 2004
On a fresh Fedora (Yarrow) install on an Acer TravelMate 735 everything
was sweet and working.
Under the GUI 'Display' was dual-head - ability to display different
image on the laptop LCD and external VGA port.
Once this 'Dual Head' option was enabled the X-server now fails to start
'(EE) ATI: XF86Config Device sections "Videocard0" and "Videocard1" may
not be assigned to the same adaptor"
VendorName "Videocard vendor"
BoardName "ATI Rage Mobility"
Repeated again for 'Videocard1' with an additional parameter of
Quick check of /proc/pci indicates that there's only the one BusID
I've tried adding BusID to both device sections and 'Screen 1' to the
latter device, in an attempt to convince the ATI driver I really do want
to refer to the same adaptor.
>From a user perspective, pity a single checkbox broke things in an
unfriendly way (I can put things back but not so for many point'n'click
PS: Lots of similar postings, however most are regarding two display
adaptors. This woks fine in WinXP, 98 etc
PPS: Actualy only one glitch - mic is enabled by default - which is
fine, but mic output is (unfortunately) also enabled making for
excellent feedback on a laptop.
Chr!s Cooper c.cooper at ecu.edu.au
Edith Cowan University Mobile: +61 4 0910 3531
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