IBM Aptiva Hardware Handbook page 120

2.
To insert a cache memory module, position the
notched end of the module as shown. Align the
module pins and insert the module into the socket.
Use the individual instructions that follow to install
128K of cache memory.
Cache
Memory Module
Notch
Cache Memory
Module Socket
110 Installing cache memory
To insert cache module:
Position notched
end as shown.
Tag Address
Bank 1
Cache Memory
Module Sockets
Memory Module Sockets
To install 128K:
Before inserting a cache memory module into a
socket, make sure the notched end of the module
is positioned correctly.
Caution:
Also make sure the cache memory module pins
are aligned with the pin holes in the socket. The
module pins bend easily if they are not aligned
correctly.
1.
In the Tag Address module socket—insert the Tag
Address module. Use a 28-pin, 8K x 8, 15 nanosec-
ond (ns) Tag Address module.
2.
In Bank 1—insert four cache memory modules.
Use 28-pin, 32K x 8, 20 ns modules. Properly
inserted modules will look like this: