chase的网页上也写了
The direct deposit qualifier changes to at least one direct deposit of $500
or more and takes effect with the statement periods beginning February 8,
2011. Two or more direct deposits that add up to $500 or more but do not
individually equal or exceed $500, do not qualify; otherwise $6 per month. https://www.chase.com/index.jsp?pg_name=ccpmapp/individuals/checking/page/
chase-checking-page