DATAMAN S4 MANUAL
8 Introduction to S4
@BULLET = 1) Remove the back of the case by
unscewing the four retaining
screws.
@BULLET = 2) Remove the 1M static RAM
chip from its socket.
@BULLET = 3) Substitute a 4M static RAM
chip or module.
@BULLET = 4) Replace the back of the case
and the screws.
When you switch on, S4 will now tell you that
you now have 512k of
memory instead of 128k.
<BI>It is anticipated that 4M chips will fall in
price. The upgrade
will be cheaper if you can wait for a few
months.<D>
<$ISocket, ZIF>The ZIF Socket
The ZIF (Zero-Insertion-Force) socket is used to
load new library
programs into the TPA (Transient Program Area)
as already described.
The ZIF socket is also used to hold PROMS when
programming. S4 can
use PROMS much the same as a computer uses a
disk-drive: they are
a permanent storage medium, which contains
programs to be loaded into
system RAM - such as the program loaded from
the <$IHELP ROM;Copying
to TPA>LIBRARY ROM.
<$IZIF socket>When the socket is not being
addressed, no power is
applied to it. PROMS can be inserted at any time,
except during an
To Next Page
Loading...