WSM
Experienced Member
This is a small (2" x 2" x 0.6") cased Z180 running CP/M 2.2 at 36.864MHz with 1MB zero-wait SRAM, 512KB flash, microSD card with a 25MHz SPI interface and a clock. Power is via USB which also supports the two serial ports including RTS/CTS handshaking. https://www.ebay.com/itm/184492337888
Full disclosure: This is my eBay listing and I'm the designer / builder of this system and author of the BIOS. For those that are interested, there is some more documentation <here> .

Full disclosure: This is my eBay listing and I'm the designer / builder of this system and author of the BIOS. For those that are interested, there is some more documentation <here> .
