"Baffin.bin" stands for "Baffin" - the codename of RX 460 AMD GPUs. As i know, dashminer 2.1.1 is a mod/fork of sgminer and works only with that pool and it supports RX480 / RX470 (if you look in dashminer's folder, there is a file "Ellesmere.bin" for RX 480 / RX 470 GPUs, but "Baffin.bin"...
Well, i' ll try to explain with pictures. Let's say you already located and moved Dash Data folder to your external HDD. Next, when you start Dash core, you will be prompted (because Dash Core cannot find Data folder at its usual place). My examples will be in Linux.You see at this picture where...
It's easy. First, locate your Dash Data folder (where block data and other files are stored, including wallet.dat). In Windows Dash Data folder is in "%Users\YourUserName\AppData\Roaming\%; in Linux is in ~home/YourUserName/.dash. Move that folder and all its content to yor external drive. Next...