IBM Personal Computer

----
---
-
------
-
U.
256K
Total
Memory
I
1-0
192K
+
64K
on System Board
00
l
r.n
System
Board
Switches
Switch
Block 1 I
liDDQ~ODDD
I I
I;~QQ~~QQQ
I
Switch
Block 2
64/256K
Option
64K
Option
32K
Option
Card
Switches
Card
Switches
Card
Switches
,.
~
1 -
64/2
56K
option
with
192K
installed
li~~~QQQ~Q
I
1 -
64/256K
option
with
1
28K
installed
1 -
64K
option
If~~~QQ~QQ
I
li~~QQ~~~~
I
~~~Q~~~~~J
1 -
64/256K
option
with
64K
installed
2 -
64K
options
~~~~Q~QQQ
I
li~~QQ~~~~
I
I;~~~Q~~~~I
3 -
64K
options
li~~Q~~~~~
I
I;~~QQ~~~~
I
li~~QQ~~~~
I
1 -
64/256K
option
with
128K
installed
2 -
32K
options
li~~~QQ~Qa
I
I;~~QQQ~~~
I
)
)
)