--- a/core/isolinux.asm
+++ b/core/isolinux.asm
@@ -694,10 +724,17 @@
 ;
 getlinsec_cdrom:
 		mov si,dapa			; Load up the DAPA
-		mov [si+4],bx
-		mov bx,es
-		mov [si+6],bx
 		mov [si+8],eax
+		; seems that some BIOSes have problems if the target
+		; segment is 0 (don't ask); to avoid this, we normalize
+		; the buffer address here
+		; -> seen on Acer TravelMate C102Ti
+		mov [si+4],bx
+		and word [si+4],0fh
+		mov ax,es
+		shr bx,4
+		add ax,bx
+		mov [si+6],ax
 .loop:
 		push bp				; Sectors left
 		cmp bp,[MaxTransfer]