Tamarack TD3088D
A Hercules compatible graphics card with 64K of DRAM. It uses the Tamarack 3088 chip which is a highly integrated chip so it can be utilised on a small PCB with a low number of support chips. The jumpers JP2/JP3 can select the address of the parallel port. It's unknown what can be configured with JP1 and JP4.
N80L286 -12/S