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<HTML>
<HEAD>
  <!-- Created with AOLpress/2.0 -->
  <TITLE>PDP-1 Simulator Configuration</TITLE>
</HEAD>
<BODY>
<H1 ALIGN=Center>
  PDP-1 Simulator Configuration
</H1>
<P>
Introduced in 1960, the PDP-1 was DEC's first computer, and the world's first
minicomputer. Documentation and drawings are sketchy; in addition, the machine
was often customized for particular uses.&nbsp;The simulator is based on
the 1963 maintenance manual.
<P>
Photographs (courtesy of Digital Equipment Corporation):
<UL>
  <LI>
    <A HREF="photos/pdp1.jpg">PDP-1</A>
  <LI>
    Screenshot of PDP-1 <A HREF="photos/spacewar.jpg">Spacewar</A>
</UL>
<P>
<TABLE BORDER="2" CELLPADDING="2">
  <TR>
    <TD><B>Option</B></TD>
    <TD><B>Description</B></TD>
    <TD><B>Capacity</B></TD>
  </TR>
  <TR>
    <TD>CPU and memory &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</TD>
    <TD>PDP-1</TD>
    <TD>4KW - 64KW</TD>
  </TR>
  <TR>
    <TD>CPU options</TD>
    <TD>Type 10 automatic multiply divide<BR>
      Type 15 memory extension control<BR>
      Type 20 16-channel sequence break system<BR>
      PDP-1D extended features</TD>
    <TD></TD>
  </TR>
  <TR>
    <TD>Console</TD>
    <TD>Soroban B typewriter (FIODEC code) &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;
      &nbsp;</TD>
    <TD></TD>
  </TR>
  <TR>
    <TD>Paper tape</TD>
    <TD>integral</TD>
    <TD></TD>
  </TR>
  <TR>
    <TD>Line printer</TD>
    <TD>Type 62 line printer (Hollerith code)</TD>
    <TD></TD>
  </TR>
  <TR>
    <TD>Microtape (DECtape)</TD>
    <TD>Type 550/555 Microtape</TD>
    <TD>148KW</TD>
  </TR>
  <TR>
    <TD>Drum</TD>
    <TD>Type 23 parallel drum</TD>
    <TD>131KW</TD>
  </TR>
  <TR>
    <TD></TD>
    <TD>Type 24 serial drum</TD>
    <TD>131KW</TD>
  </TR>
  <TR>
    <TD>Multiplexer</TD>
    <TD>Type 630 data communications subsystem</TD>
    <TD>1-32 lines</TD>
  </TR>
</TABLE>
<P>
  <HR>
<P>
<I><SMALL>Updated 30-Jan-2007 by Bob Supnik (simh AT trailing-edge DOT com
- anti-spam encoded)</SMALL></I>
</BODY></HTML>