Here's a small homebrew 68000. It has 2 MB of SRAM and 128k of EEPROM. Runs at 25 MHz. Two serial ports at 38.4k baud via a 68681 DUART. It has a compact flash interface via a Toshiba 82C55A. Currently running CP/M 68k (v1.3) with sixteen 8 MB "disk drives" on the compact flash.