IBM 5150 Hardware Reference Manual

7 6 543 2 1 0
76543210
CHARACTER CODE ATTRIBUTE CODE I I
EVEN ADDRESS (M) ODD ADDRESS (M+1)
ATTRIBUTE BYTE DEFINITIONS
R: Red
7 6 5 4 3 2
o
G: Green
B: Blue
B I I
R G BI
I: Intensity
Foreground Color
Background Color
Blinking
Note: The starting address of the display buffer must be an
even location.
Color Monitor (with Direct Drive input capability)
Display up to 25 rows of 80 characters each r"'\
Requires 4000 bytes of Read/Write Memory (on the adapter)
Maximum of 256 character set
8x8 character box
7x7 character with one descender
Same format for attributes
as for color TV
Note: The starting address of the display buffer must be an
even location.
2-50

IBM 5150 Specifications

General

Brand	IBM
Model	5150
Category	Desktop
Language	English