HP 330 Service Information Manual page 71

Options convert the 8 MBytes to 16 MBytes by replacing the 4 Mbyte add-on with a 12
Mbyte add-on. Additional RAM is available to extend total RAM up to 32 MBytes.
• Model 330 --- Includes 4 MBytes on processor board.
One 4 Mbyte RAM controller board may be added for 8 Mbytes tot,al.
System Interface Board
A Single-board I/O system includes HP-HIL, HP-IB, RS232, ThinLAN, beeper, DMA, and may
have the optional high-speed HP-IB disc interface add-on. It may be located in the HP 98570A
expander.
Video Boards
These computers support the same monitors as Models 310 and 320. These bit-mapped Video
boards include both medium and high resolution color and monochrome versions.
~Aodel
330/350 computers support the following video boards:
• HP 98542A Medium-resolution Monochrome Video Board
• HP 98543A Medium-resolution Color Video Board
• HP 98544A High-resolution Monochrome Video Board
• HP 98545A High-resolution Color Video Board
• HP 98546A Display Compatibility Interface Card (requires DIO card cage)
• HP 98547 A High-resolution Color Video Board
• HP 98287 A Interface to the HP 98700A Graphics Display Station (Requires DIO card
cage)
Refer to the Series 300 Configuration Reference Manual for the current list of supported video
boards.
[)irect-Connect 010 or System Slot Expanders
An extension of the DIO and/or DIO-II interface bus using identical power supplies as the
computer. Different slot sizes and quantities are available, depending on the expander and
options.
Functional Description
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