DEC PDP-11: 330 XXDP listings scanned from micro fiches
j_hoppe at t-online.de
Sat Mar 21 05:18:54 CDT 2015
Yeah ... this one was meant for you ;-)
Am 21.03.2015 um 11:03 schrieb Mattis Lind:
> Fantastic! You have done a great work!
> I found the listing for the DGKAB 11/04 trap test that I have been looking
> 2015-03-21 7:46 GMT+01:00 Jörg Hoppe <j_hoppe at t-online.de>:
>> Hi all,
>> Over the last months I scanned micro fiches with XXDP diagnostic program
>> These listings are essential for repairing PDP-11's (or enhancing SimH).
>> I digitized 330 listings from 452 fiches, with a total of 53545 document
>> Almost all of them should be new stuff.
>> The PDFs are ready for download now.
>> Until they appear at bitsavers.org, you can use my link:
>> (Note the embedded user/password strings)
>> The scans come in two versions: "high quality" and "black&white":
>> The HQ version is gray level and contains a true image of the micro
>> fiches, after non-destructive contrast enhancement. It is the base for
>> further image processing.
>> Download path is ./fichescanner/hq/gh
>> The BW version is compressed to black & white and aggressively optimized
>> for size and letter quality. File sizes are 20x smaller than the HQ
>> version. Its intended for daily use and OCR, but for some very problematic
>> fiches textual information is lost.
>> Download path is ./fichescanner/bw/gh
>> And there is a background article on
>> describing the self-build automatic micro fiche scanner (video!)
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