Video/Graphics; System Interfaces - HP 340 Series Service Manual

Video/Graphics
High-resolution color or monochrome video is processed by the video boards. Enhanced graphics
are provided by a graphics accelerator board in the Model 340CH Option 556 and the Model
:~40SRX
uses a local graphics bus interface. Several configurations are provided depending on
the application and monitor used in each bundled workstation. Table 3-1 lists the video/graphics
boards supported and their characteristics.
Table 3-1. Video/Graphics Boards
Part Number
Video Type Resolution Workstation Typical Monitor
98544-66571 HR Monochrome
1024 by 768 Model 340M
HP 98786A 17-inch
98548-66570
HR Monochrome 1280 by 1024 Model 340MH HP 98788A 19-inch
98549-66571
HR Color 1024 by 768 Model 340C+ HP 98785A 16-inch
98550-66572 HR Color
1280 by 1024 Model 340CH HP 98789A 16-inch
98550-66572
HR Color 1280 by 1024 Model 340CH HP 98789A 16-inch
98556-66570
2D Color Graphies Opt. 556
98720-66582 Local Graphics Bus
Model 340SRX HP 98720A Display Controller
HP 98789A 16-inch
Functional descriptions of these video/graphics boards are covered in their respective Familiar-
ization Guides.
System Interfaces
Many interfaces, including HP-HIL, standard HP-IB, and RS-232, are on the processor board.
Either an AUI LAN or a ThinLAN interface board attaches to the processor board. Optional
DIO-I card SCSI and high-speed HP-IB interface are also available. Several DIO-I interface
cards are also supported.
44 Functional Description
98571 90030, rev: 11/88