source: projects/punch-card/driver/nixdorf-0377.01/README.htm @ 34

Last change on this file since 34 was 34, checked in by sven, 11 years ago

Start of Punch card project: Nixdorf 42 0377.01
device driver

-- sven @ nils

File size: 673 bytes
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1<html>
2<body>
3
4<h2>Nixdorf 43/44 Punch card reader</h2>
5
6<p>
7 This is a Linux ppdev userspace driver for a small card reader made by
8 Nixdorf, equipped with the buffer board 377.01. This board encodes the
9 12 bit punch card code (H code) to 8 bit, by compressing row 1 to 7 to
10 only 3 bits.
11</p>
12<p>
13 The connection is established via a self made cable from a pseudo standard
14 Siemens plug to IEEE 1284 and to the power supply of the card reader.
15</p>
16
17
18<h3>About</h3>
19<p>
20 Project started in February 2009, coding the very first driver started at
21 Sunday, 22. March 2009.
22
23<p>
24 Copyright 2009 Sven Koeppel, GNU Public License applies here like to the
25 complete project.
26
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