On Tue, Jun 3, 2025 at 4:39 AM Richard Schauer via cctalk
<cctalk(a)classiccmp.org> wrote:
The tape controller (marked with a green dot on the
connector on my
machine) was made in 1986. It is a full-length card, a Wangtek
30006-007 rev C. It has an 8085, 8257, 6264 SRAM, 2764 EPROM, what
appears to be a chipset of 2x CF40100BN, 1x CF40101N, and 1x CF40102N,
and some PALS marked Everex.
I think I've come across that chipset on a Wangtek QIC02-QIC36
interface. It's likely your board is for a QIC36 interfaced drive too