- Timestamp:
- Oct 5, 2014, 10:23:14 PM (9 years ago)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
en/devices/ibm1130-blog.php
r669 r672 63 63 console-test program (07.09.2014).<br><br> 64 64 65 <div class="desc-left"> 66 <a href="/shared/photos/rechnertechnik/ibm1130/SLT-layout+schematic.pdf"> 67 <img src="/shared/photos/rechnertechnik/slt.jpg" width="233" height="234" /></a> 68 <p class="small"><a href="/shared/photos/rechnertechnik/ibm1130/SLT-layout+schematic.pdf">Opened SLT-block</a><br> 69 Enlarge: click on picture!</p></div> 70 65 71 <b>20.09.2014:</b> We are currently creating a list of known problems regarding the 66 72 1132 printer. Its restoration is especially challenging. After being unused … … 74 80 Now the mechanics of the printer runs smoothly without any signs of trouble.<br><br> 75 81 82 <b>30.09.2014:</b> The printer test finally works but there were still problems in the printout: 83 Characters were overprinted every 16th column. This could be traced back to 84 the buffer memory of the printer. Bit 6 of the buffer, an SLT-flip-flop, was 85 stuck. How an SLT circuit can be repaired is described in more detail here: 86 <a href="/shared/photos/rechnertechnik/ibm1130/SLT-layout+schematic.pdf">Deeper insights.</a> 87 88 89 76 90 <p><b><em>This section will be gradually continued.</em></b></p> 77 91
Note: See TracChangeset
for help on using the changeset viewer.