Re: Mustek 1200SP: Missing Lines

David Mosberger-Tang (David.Mosberger@acm.org)
Fri, 31 Oct 1997 21:40:46 -0800

>>>>> On Sat, 01 Nov 1997 01:16:21 +0100, Joachim Woll <woll@physik.uni-kassel.de> said:

Joachim> becka@rz.uni-duesseldorf.de wrote:

>> This is really much ... What FW revision do you have ? What
>> happens when setting backtrack=yes ?

Joachim> Sane is reporting, that the firmware revision is 1.05Well,
Joachim> when I set "force backtrack" within the graphical frontend
Joachim> the problem seem to be fixed in gray scale mode. In color
Joachim> mode the tree colors are vertically shifted against each
Joachim> other.

>> Ah. Seems to prove my guess that it happens at buffer boundaries.

Joachim> Yes. I think so too...

Did anyone have the dropped line problem before sane-0.62? In 0.62,
the overlapped SCSI I/O was introduced for Linux which, if the problem
is timing-dependent, could make a difference.

--david

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