Please Help Identify Mystery ISA Card

[Tony Duell]

> It is from Maynard Electronics, 1988.  The large socketed chip says:
> 
> WD33C93A-PL
> 00-08 9031
> 069660200102
> PROTO
> 
> Other markings state:  Type II Controller, and Rev. -5
> 
> The FCC ID number is D8I6I2 60201.
> 
> Just taking a wild guess, I suspect that this is some sort of SCSI 
> Controller.  However, I could not find it in the TH99 archives.  The 

I think the 33C93 is a SCSI interface chip (I've seen it in other 
machines), so your guess is likely to be correct. But it may have come 
with some particular device (CD-ROM, tape streamer, etc) and there may 
never have been 'standard' MS-DOS drivers for that card.

-tony