Amiga Hardware Database
Home
Models
Expansions
Companies
Benchmarks
Search
About
en
|
de
Home
>
Expansions
>
Busboards
>
Single Expansion
ONBoard 4000
Company
RBM Digitaltechnik, Germany
Date
1996
Amiga
A4000
Zorro III busboard
7× Zorro III slots
2× extended video slots
5× ISA slots
the video and ISA slots are all inline with a Zorro slot
only the first four Zorro slots are DMA capable
designed only as a double sided PCB, not as a multi layer one (with dedicated ground and power layers) as requested in the Zorro III specifications
replaces the original A4000 daughterboard
the board is part of the Towerhawk 4000 tower system
Photos
front side