Laser 128 - RAM Expansion Installation Steps

INSTALLATION OF EXPANSION RAM
B. INSTALLATION OF EXPANSION
RAM
Besides the 128 K-byte system RAM that comes with
your computer, it a·lso has room for accommodating up
to 1 M-byte expansion RAM To install additional RAM
in the computer, you need the following items:
• Optional memory expansion card (included in the
LASER 128EX).
• 256K x 1 bit dynamic RAM chips type (41256). The
row address access time for the RAM chips should
be 120 ns for the LASER l 28EX and 150 ns for the
LASER 128. The quantity required depends on the
size of the expansion RAM and is shown as follows:
Expansion RAM size
256 K
512 K
786 K
1024 K
Quantity of 41256
8 pcs.
16 pcs.
24 pcs.
32 pcs.
If at all possible, you should consult your dealer for
installation of expansion RAM. However, if you have to
do it yourself, do it with care! INCORRECT
INSTALLATION MAY CAUSE PERMANENT
DAMAGE TO YOUR RAM CHIPS AND / OR THE
COMPUTER!
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