hi guys I just got this in I don't know to much about this owner said he thought it was a 1 meg upgrade can any one tell what it is is it a 1 or 2 meg upgrade does anyone have docs for this heres the link to look at it https://www.dropbox.com/sh/eqtdh2mfh0eemcw/AABYwn49uOet4qxYiqRwPxyra?