IBM Personal Computer XT Manual To Operations page 268

Number of 5% Inch
Diskette Drives Installed
Switch Block 1 Switch Block 2
o -
Drives
;uDOOJOu~ ;~~o= =~~Q
1 - Drive
;~QOO=lrl~~
ImOlll~DQU~
I
2 - Drives
~nrlOOnrQ~
;UUOOCCJ~
t
i
J
!
LJ.
Type(s) of D isplay(s) Connected
WARNING: If an IBM Monochrome Display is connected to
your system, Switch Block I, switches 5 and 6,
must always be Off. Damage to your display can
result with any other switch settings.
1""""'\
Switch Block 1 Switch Block 2
IBM Monochrome
Display (or IBM
Monochrome Display
plus another display)
Switch Block 1 Switch Block 2
Color Display (Do not
40x25
use if an IBM
;ODo~~~nJ
;OQOlD~~~
Mode
Monochrome
80x25
Display is connected)
;DOGC
~QDO
;OD[OOQ~Q
Mode
Note: The 40x25 mode means there will be 40 characters
across the screen and 2S lines down the screen. The
~
40
X
2S is normally used with a home television. The
80
X
25 mode means there will be 80 characters across
the screen and 2S lines down the screen. The 80
X
2S
mode, when used with home televisions and various
displays, can cause loss of character quality.
April 1983
Switch Settings 4
Copyright IBM Corp. 1983