  In this paper, we show that every regular singular $\mathscr{D}$-module in
$\mathbb{C}^n$ whose singular locus is a normal crossing is isomorphic to a
quiver $\mathscr{D}$-module - a $\mathscr{D}$-module whose definition is based
on certain representations of the hypercube quiver. To be more precise we give
an equivalence of the respective categories. Our definition of quiver
$\mathscr{D}$-modules is based on the one of Khoroshkin and Varchenko. To prove
the equivalence, we use an equivalence by Galligo, Granger and Maisonobe for
regular singular $\mathscr{D}$-modules whose singular locus is a normal
crossing which involves the classical Riemann-Hilbert correspondence.
