HP 9000 Series 310 Service Information Manual page 71

-ONE PER
MONOCHROM
BOARD
E
RED
GRN/SYNC--
BLUE
+----
+----
+----
•• COMPOSITE VIDEO
1 PLANE
1
1
DISPLAY
CONTROLLER-
f
FRAME
BUFFER
CONTROLLER
ON MONOCHROME BOARDS.
RED/BLUE/GREEN ONLY ON
COLOR BOARDS.
1 PLANE 21 1 PLANE
J
1
1 PLANE41
DISPLAY DISPLAY
DISPLAY
CONTROLLER- CONTROLLER- CONTROLLER-
J
PIXEL BUS
J
ADDRESS BUS
DATA BUS
r - - - -
-
RANDOM
'--
(I)
DISP.
0:
\.
LOGIC LU
'--. ........-'
.....
010
BUS
ROM
.....
&
:::l
/
-............-.
CD
DECODE
" " " - - - " " " - - -
Figure 3-12. Video Board Block Diagram
Functional Description
61