--- np2/bios/bios.c	2003/12/12 01:04:39	1.14
+++ np2/bios/bios.c	2003/12/21 16:05:25	1.15
@@ -81,7 +81,7 @@ static void bios_reinitbyswitch(void) {
 	}
 	gdcs.textdisp |= GDCSCRN_EXT;
 
-	if ((pc.model >= PCMODEL_VX) && (usesound & 0x7e)) {
+	if (((pc.model & PCMODELMASK) >= PCMODEL_VX) && (usesound & 0x7e)) {
 		iocore_out8(0x188, 0x27);
 		iocore_out8(0x18a, 0x3f);
 	}