This is a CayMac Vintage designed budget version of the TashTwenty created by TashTari (link below). This emulates the HD20 Apple hard drive that can be used on a 512K/512Ke/Plus/SE/Classic/Portable. Can also work when a ROM that adds the HD20 support. Tested to work with a SE30 and HD20 enabled ROM. ******* This version is a new design where a power and activity LED has been added and uses the SMD PIC16F1704 controller chip. ******* A microSD in included that has 2 partitions on it and bootable image OS6.0.8. You can make your own image and instructions can be found in the link below. A case is not designed yet but one will be coming to download and 3D print. Based on the original TashTwenty created by TashTari can be found at 68kmla.org/bb/index.php