diff --git a/firmware/crt0.S b/firmware/crt0.S
index 207946bd2c..baa5361c4e 100644
--- a/firmware/crt0.S
+++ b/firmware/crt0.S
@@ -58,7 +58,7 @@ start:
         /* Chip select 1 - LCD controller */
         move.l #0xf0000000,%d0 /* CSAR1 - Base = 0xf0000000 */
         move.l %d0,(0x08c,%a0)
-        move.l #0x0000007b,%d0 /* CSMR1 - 64K, Only data access */
+        move.l #0x00000075,%d0 /* CSMR1 - 64K, Only data access */
         move.l %d0,(0x090,%a0)
         move.l #0x00002180,%d0 /* CSCR1 - 8 wait states, 16 bits, no bursts */
         move.l %d0,(0x094,%a0)
@@ -66,7 +66,7 @@ start:
         /* Chip select 2 - ATA controller */
         move.l #0x20000000,%d0 /* CSAR2 - Base = 0x20000000 */
         move.l %d0,(0x098,%a0)
-        move.l #0x0000007b,%d0 /* CSMR2 - 64K, Only data access */
+        move.l #0x00000075,%d0 /* CSMR2 - 64K, Only data access */
         move.l %d0,(0x09c,%a0)
         move.l #0x00000180,%d0 /* CSCR2 - no wait states, 16 bits, no bursts */
         move.l %d0,(0x0a0,%a0) /* NOTE:  I'm not sure about the wait states.