HP 98568A Installation Instruction page 215

HP 98726A Interface Card
Description and Support
The HP 98726A interface card provides a connection between a Series 300
SPU-backplane DIO-I or DIO-II bus and the 32-bit multiplexed address/data
Local Graphics Bus (LGB). The interface acts as a slave on the DIO bus and
as a master controller on the LGB.
The interface supports byte and word transfers in accordance with DIO-I
specifications as well as longword and unaligned transfers specified in DIO-II.
HP 98726A Interface Card
Series 300 HP-UX Operating System Support
on Release with Model
6.2 or later
330
350
Adding Interface Cards 5-119