Ibm Megapel Display Adapter; Specifications - IBM 6151 Maintenance And Service Manual

IBM Megapel Display Adapter
The IBM Megapel Display Adapter attaches the IBM 5081 Display
to the system unit. The IBM Megapel Display Adapter consists of
two boards, the display controller board and the display processor
board. They are physically attached and plug into two adjacent
double slots.
The display controller board produces the red, green, and blue
(RGB) video signals for the IBM 5081 Display.
The display processor board provides the processing function for
the display controller board. It also contains a parallel printer
adapter.
Note: The parallel printer adapter on the IBM Megapel Display
Adapter must be
disabled
(see switch settings) if the IBM
Monochrome Display and Printer Adapter is installed in the system
unit.
Specifications
Slot positions
I/O addresses
Memory addresses
DMA channel
Interrupt level
Horizontal frequency
Vertical frequency
Display connector
Printer connector
Maximum number
2 and 3
0930 - 094F
OB8000 - OBBFFF, PC color graphics
adapter emulation mode
coonan -
C3FFFF, Adapter data space
D60000 - D7FFFF, Adapter program space
7
11 (shared)
63.36 KHz
60 Hz, non-interlaced
3-Pin video
25-Pin D-shell
1
(6/88) Adapters 9-053-1