diff --git a/BaS_gcc/sources/exceptions.S b/BaS_gcc/sources/exceptions.S
index 5b1bd93..b11e1fa 100644
--- a/BaS_gcc/sources/exceptions.S
+++ b/BaS_gcc/sources/exceptions.S
@@ -376,8 +376,7 @@ no_protect_vectors:
 		lea		_xhdi_sd_install,a1
 		move.l	a1,0x80(a0)				// trap #0 exception vector
 
-// ACP interrupts 1-7 (user-defined, generated by FPGA)
-// TODO: Do we need to do anything special for m5484LITE here?
+// ACP interrupts 1-7 (user-defined, generated by FPGA on the FireBee, M5484LITE has irq7 and irq5 for PCI)
 		lea		irq1(pc),a1
 		move.l	a1,0x104(a0)
 		lea		irq2(pc),a1
@@ -596,9 +595,17 @@ irq3:
 irq4:				// vbl
 		irq		0x70,4,0x10
 
-irq5:				// acp
+irq5:							// irq5 is tied to PCI INTC# and PCI INTD# on the M5484LITE
 		irq		0x74,5,0x20
 
+#if MACHINE_M5484LITE			// install "standard" handlers for M5484LITE
+irq6:							
+		irq		0x74,5,0x20
+
+irq7:							// irq7 is tied to PCI INTA# and PCI INTB# on the M5484LITE
+		irq		0x74,5,0x20
+
+#elif MACHINE_FIREBEE			/* these handlers are only meaningful for the Firebee */
 irq6:	// MFP interrupt from FPGA
 		move.w	#0x2700,sr			// disable interrupt
 		subq.l	#8,a7
@@ -1060,7 +1067,7 @@ video_chg_end:
 		movem.l	(a7),d0-d4/a0-a1	// restore saved registers
 		lea		7 * 4(sp),a7
 		rte
-
+#endif /* MACHINE_FIREBEE */
 
 asm_set_ipl:
 _asm_set_ipl: