I feel like this information would probably have been in the Amiga Hardware Database website, which is still down.
Anybody managed to get a working mirror yet?
Doesn't give too much: (the manual isn't crawled)
StarBoard 2 Manual Photo Software
Company
Microbotics, USA Date
1986 Amiga
A1000
Interface
side expansion port
Autoconfig ID
1010 / 0
memory •512 kB, 1 or 2 MB zero-wait state RAM
•32 256k×1, 150 ns DIPs for 1 MB RAM (on "Main Deck")
•optional "Upper Deck" module with 32 DIPs for the other 1 MB
•both decks have four sockets for parity chips which can be utilized with the Multifunction module
•two StarBoards can be connected together for 4 MB RAM total
optional Multifunction module •68881 @ 14 MHz
•StickyDisk - rebootable ram disk with hardware write protection
•allows parity checking of memory in the host StarBoard when extra parity RAM is installed - if a parity error is detected, the Amiga crashes with a GURU message
•battery backed up clock
optional SCSI controller - StarDrive •AMD 5380 controller IC
•pseudo-DMA
•DB25 external SCSI connector
•battery backed up clock
notes •one StarBoard can hold either a Multifunction or a SCSI module, as they connect to the same headers
•connects to the A1000 side expansion port
•removing the StarBoard's case, it can be installed in the A2000 using the SB2000 Zorro II adaptor card
•passthrough connector
Photo