diff --git a/src/northbridge/acer/m1631/chipset_init.inc b/src/northbridge/acer/m1631/chipset_init.inc
index 27c2c654d4..58dea2aa14 100644
--- a/src/northbridge/acer/m1631/chipset_init.inc
+++ b/src/northbridge/acer/m1631/chipset_init.inc
@@ -17,7 +17,9 @@ register_table:
 	.byte 0x62, 0x00, 0x80
 	.byte 0x63, 0x00, 0x08
 	.byte 0x67, 0xff, 0x08
+#ifndef USE_DOC_MIL
 	.byte 0x6c, 0xfc, 0x00
+#endif
 	.byte 0x70, 0xfc, 0x00
 	.byte 0x74, 0xfc, 0x00
 	.byte 0x6d, 0xd7, 0x00 /* probably wrong OR value?*/
@@ -42,7 +44,12 @@ register_table:
 	.byte 0xa1, 0x00, 0x40
 	.byte 0xbc, 0x03, 0x00 /* 0 non-local video memory for now. */
 	.byte 0xbd, 0xfe, 0x00 /* 0 non-local video memory for now. */
+#if 0
+/* book says 0x8f, I think this is a typo */
 	.byte 0xc5, 0x08, 0x00 /* hardware register, set to 0 for pci skew */
+#else
+	.byte 0xc5, 0x8f, 0x00 /* hardware register, set to 0 for pci skew */
+#endif
 	.byte 0xc8, 0x8e, 0x02
 	.byte 0xc9, 0xd7, 0x07
 	.byte 0xd0, 0xff, 0x00