diff --git a/firmware/target/arm/ata-pp5020.c b/firmware/target/arm/ata-pp5020.c
index 8fa54712cd..df102810bb 100644
--- a/firmware/target/arm/ata-pp5020.c
+++ b/firmware/target/arm/ata-pp5020.c
@@ -46,6 +46,8 @@ void ata_device_init()
     IDE0_CFG |= (1<<5);
 #ifdef IPOD_NANO
     IDE0_CFG |= (0x10000000); /* cpu > 65MHz */
+#else
+    IDE0_CFG &=~(0x10000000); /* cpu < 65MHz */
 #endif
 
     IDE0_PRI_TIMING0 = 0x10;