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-rw-r--r--dev/Mod/ATA/ATA.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/dev/Mod/ATA/ATA.h b/dev/Mod/ATA/ATA.h
index 07226a97..c3c65ec0 100644
--- a/dev/Mod/ATA/ATA.h
+++ b/dev/Mod/ATA/ATA.h
@@ -65,6 +65,8 @@
#define ATA_IDENT_COMMANDSETS 164
#define ATA_IDENT_MAX_LBA_EXT 200
+#define ATA_REG_SET_FEATURES 0xEF
+
#define ATA_MASTER 0x00
#define ATA_SLAVE 0x01