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Hardware Installation
Follow these steps to install additional memory on the memory expansion
board:
1.
Determine the type of SIMM strips you have from the part number
printed on the modules:
— 256 kB SIMMs contain the number 256 in the part number.
— 1 MB SIMMs contain the number 1000 or 1024 in the part
number.
NOTE:
If part numbers are missing or unreadable, you can identify
the type of SIMM by examining the chips. The 256 kB chips
have leads on all four sides. The 1 MB chips have leads on
only two sides.
You may use only one type of SIMM on each memory board.
2.
To install one kit of four SIMMs, insert the four SIMMs only in the
sockets marked 1 in Figure 2-11. To install three kits of four SIMMs,
insert SIMMs in all open sockets.
3.
Referring to Figure 2-13, slide each module carefully into the
socket with the circuit packs facing up. When the module is seated,
press down gently until it snaps into place. Compare it with other
modules already in place to ensure that it has been inserted
correctly.
CAUTION:
Use extreme care when installing or removing SIMMs. The
plastic retaining clips on the sockets are easily broken by
using too much force.
2-21