I've attached a patch which documents all the arguments for usplash(8).
This patch should probably go upstream as well.
--
David Härdeman
diff -ur ./usplash-0.4-43.orig/usplash.8 ./usplash-0.4-43/usplash.8
--- ./usplash-0.4-43.orig/usplash.8 2007-03-16 00:47:06.000000000 +0100
+++ ./usplash-0.4-43/usplash.8 2007-05-09 20:56:46.000000000 +0200
@@ -4,7 +4,7 @@
usplash \- userspace bootsplash daemon
.\"
.SH SYNOPSIS
-\fBusplash\fR [\fI-c\fR]
+\fBusplash\fR [\fB-c\fR] [\fB-x\fR \fIxres\fR] [\fB-y\fR \fIyres\fR] [\fB-v\fR]
.\"
.SH DESCRIPTION
Uses the framebuffer to provide a graphical bootsplash screen from
@@ -18,6 +18,16 @@
.B -c
Causes \fBusplash\fR to switch to a new console (vt8) before displaying
the splash screen, rather than writing over the current one.
+.TP
+.B -x \fIxres\fR
+Selects the resolution to use on the x axis.
+.TP
+.B -y \fIyres\fR
+Selects the resolution to use on the y axis.
+.TP
+.B -v
+Causes \fBusplash\fR to print verbose messages (which are otherwise
+suppressed, usually resulting in a completely quiet boot/shutdown).
.\"
.SH COMMANDS
See
