Relisys scanner problem

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2 total messages Started by Charles Dingle Sat, 30 Dec 1995 00:00

#12257

Author: Charles Dingle
Date: Sat, 30 Dec 1995 00:00

16 lines
1822 bytes

I'm trying to sort out a PC (AST/Bravo 33/s) which has for some time 
been runnig a (fairly old) Relisys scanner with a parallel 
interface. The literature refers to an I/O address, which 
is set by straps on the interface card, but no Interrupt or DMA. Picture 
Publisher (Micrographx) works OK with the AQUIRE command, which uses 
the TWAIN interface, but fails with the SCAN command, which works 
direct. Wordscan (Calera) claims the board and scanner are missing. I'm 
convinced this is not an I/O contention, as AQUIRE works, and I've 
checked the addresses of everything else in the system. 

Can anybody help with - interrupt or DMA information not in the book?
                      - anything you think I've missed?

--
 charles@dingle.demon.co.uk                                           
---------------------------

Re: Relisys scanner problem

#12258

Author: Donald R. Oddy
Date: Sat, 30 Dec 1995 00:00

28 lines
2264 bytes

In article <582968581wnr@dingle.demon.co.uk>
           charles@dingle.demon.co.uk "Charles Dingle" writes:

>I'm trying to sort out a PC (AST/Bravo 33/s) which has for some time 
>been runnig a (fairly old) Relisys scanner with a parallel 
>interface. The literature refers to an I/O address, which 
>is set by straps on the interface card, but no Interrupt or DMA. Picture 
>Publisher (Micrographx) works OK with the AQUIRE command, which uses 
>the TWAIN interface, but fails with the SCAN command, which works 
>direct. Wordscan (Calera) claims the board and scanner are missing. I'm 
>convinced this is not an I/O contention, as AQUIRE works, and I've 
>checked the addresses of everything else in the system. 
>
>Can anybody help with - interrupt or DMA information not in the book?
>                      - anything you think I've missed?

If it works using the Twain driver then there probably isn't a problem 
with interrupts or DMA.

I am not sure what you mean by "works direct". All scanners require
driver software but for common scanners this is often included in the
application software. I would expect that there is an error in the
configuration of that driver or that it does not support this particular
scanner.

-- 
Donald Oddy
Grove Systems Ltd.                                    0161-224 4465

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