The 7885 is a 8085A card with 2k of static RAM expandable to and provision for an 8k EPROM.
I have not been able to find a lot of information on this card. It appears to be an enhanced 7801 with higher density and, perhaps, bus sharing.
It includes a serial port that uses the 8085 serial channel. It did have an EPROM installed but, i suspect that like the other cards, it requires a 7303 Keyboard & Display Card.
I attempted to use the SDK-85 ROM as per the 7801 card, but to date i have not achieved a sign-on message. There may be some additional initialisation required.