You can choose which one to use by modifying the bat file of your miner.
You need to add --device=0 at the end of the Last line.
The number determine which gpu to use
Your graphic card seems to be 0.
Hi! cheers for the link. read it, didn't quite understand it, but now I have something to work from.
SIA does want the network to expand with HDD space offered. I think the company will do extremely well, personally. Big market for someone who can come in and undercut Amazon. STORJ undercuts them by 50%. This being more of a marketplace but drive some bargains. I wonder if big businesses who need large data storage will take up the marketplace system over a traditional pay per GB system. time will tell.
The initial blockchain download will take a while, the exact time depends on a few things, network speed, current number of peers on the network, harddrive speed, and to an extent CPU. There are a few downloads floating of partial blockchains but be careful of where you source the files.