diff --git a/patchset/Custer/8-source.patch b/patchset/Custer/8-source.patch
index 9640880..b0af5fc 100644
--- a/patchset/Custer/8-source.patch
+++ b/patchset/Custer/8-source.patch
@@ -22877,7 +22877,7 @@ diff --git a/OS/StartMgr/OpenFirmware.c b/OS/StartMgr/OpenFirmware.c
 new file mode 100644
 --- /dev/null
 +++ b/OS/StartMgr/OpenFirmware.c
-@@ -0,0 +1,556 @@
+@@ -0,0 +1,611 @@
 +#include <CodeFragments.h>
 +#include <NameRegistry.h>
 +#include <NameRegistryPriv.h>
@@ -23361,7 +23361,7 @@ new file mode 100644
 +}
 +
 +struct mysterystruct {
-+	short a;
++	unsigned short a;
 +	short b;
 +	long c;
 +	long d;
@@ -23369,10 +23369,10 @@ new file mode 100644
 +};
 +
 +struct mysterystruct2 {
-+	long a;
-+	short b; // either short-char-char or char-char-short
-+	char c;
-+	char d;
++	unsigned long a;
++	unsigned short b; // either short-char-char or char-char-short
++	Boolean c;
++	Boolean d;
 +	long e;
 +	long f;
 +	long g;
@@ -23388,7 +23388,7 @@ new file mode 100644
 +	x->e = 0;
 +}
 +
-+void
++OSErr
 +INTERC_1DE0(GDHandle gh, struct mysterystruct *x)
 +{
 +	CntrlParam paramblk;
@@ -23402,6 +23402,8 @@ new file mode 100644
 +	*(struct mysterystruct **)(&paramblk.csParam) = x;
 +
 +	err = PBStatusSync((ParmBlkPtr)(&paramblk));
++
++	return err;
 +}
 +
 +OSErr
@@ -23433,6 +23435,59 @@ new file mode 100644
 +	exit: return err;
 +}
 +
++char
++INTERC_1E90(GDHandle gh, short *c, short *d, Boolean *jjj)
++{
++	Boolean done = 0;
++	struct mysterystruct2 x;
++	unsigned long d6;
++
++	x.a = -1;
++
++	if (!INTERC_1E20(gh, &x)) {
++		d6 = x.a;
++		while (d6 > 0 && !done) {
++			x.a = d6--;
++			if (INTERC_1E20(gh, &x)) continue;
++			if (x.b == 2 || x.b == 14 || x.b == 20) {
++				done = 1;
++				*c = x.c;
++				*d = x.d;
++				if (!(x.e & 0x200)) {
++					*jjj = 1;
++				}
++			}
++		}
++	}
++	
++	return done;
++}
++
++// void
++// WANGBACKLIGHT()
++// {
++// 	short refnum; /*-8*/
++// 	long mach; /*-1c*/
++// 	short ptd1 /*-6*/ = 0;
++// 	short ptd2 /*-4*/ = 0;
++// 	struct mysterystruct mst;
++// 	GDHandle gh_a3 = NULL;
++// 	GDHandle gh_a4;
++
++// 	if (OpenDriver("\p.Backlight", &refnum) != noErr) return;
++
++// 	Gestalt('mach', &mach);
++// 	gh_a4 = GetDeviceList();
++// 	while (gh_a4 && !gh_a3) {
++// 		if (INTERC_1DE0(gh_a4, &mst) != noErr) {
++// 			if (mst.b == 2 || mst.b == 14 || mat.b == 20) {
++				
++// 			}
++// 		}
++// 	}
++
++// }
++
 +/* This file is complete... the remaining kilobytes to 0x2BC0 are filled by Amphibian DNA */
 diff --git a/OS/StartMgr/OpenFirmware.c.idump b/OS/StartMgr/OpenFirmware.c.idump
 new file mode 100644