diff --git a/arch/m68k-amiga/hidd/gayle_ata/probe.c b/arch/m68k-amiga/hidd/gayle_ata/probe.c
index da5192d57af..ecf8b161d80 100644
--- a/arch/m68k-amiga/hidd/gayle_ata/probe.c
+++ b/arch/m68k-amiga/hidd/gayle_ata/probe.c
@@ -59,7 +59,8 @@
 #define VREG_BOARD_V4SA     0x05 /* Apollo V4 Standalone            */
 #define VREG_BOARD_V1200    0x06 /* Vampire V2 V1200,     for A1200 */
 #define VREG_BOARD_V4MC     0x07 /* Apollo V4 Manticore,  for A600  */
-#define VREG_BOARD_Future   0x08 /* Unknow                          */
+#define VREG_BOARD_V4UNI    0x08 /* Apollo V4 Unicorn,              */
+#define VREG_BOARD_Future   0x09 /* Unknown                         */
 
 static UBYTE *getport(struct ata_ProbedBus *ddata, int buscounter)
 {
@@ -96,7 +97,8 @@ static UBYTE *getport(struct ata_ProbedBus *ddata, int buscounter)
              ||(ApolloBoardID == VREG_BOARD_V600)
              ||(ApolloBoardID == VREG_BOARD_V1200)
              ||(ApolloBoardID == VREG_BOARD_V4FB)
-             ||(ApolloBoardID == VREG_BOARD_V4SA))
+             ||(ApolloBoardID == VREG_BOARD_V4SA)
+             ||(ApolloBoardID == VREG_BOARD_V4UNI))
             {
                 ddata->v4 = TRUE;
                 DINIT(bug("[ATA:Probe] Port = GAYLE_BASE_DA (V4 Fast-IDE)\n");)
diff --git a/arch/m68k-amiga/hidd/sagagfx/sagagfx_hw.h b/arch/m68k-amiga/hidd/sagagfx/sagagfx_hw.h
index 025425c5a7b..8e99c81e749 100644
--- a/arch/m68k-amiga/hidd/sagagfx/sagagfx_hw.h
+++ b/arch/m68k-amiga/hidd/sagagfx/sagagfx_hw.h
@@ -24,12 +24,12 @@
 #define VREG_BOARD_Unknown      0x00      // Unknown
 #define VREG_BOARD_V2_V600      0x01      // V2-V600 (legacy)
 #define VREG_BOARD_V2_V500      0x02      // V2-V500 (legacy)
-#define VREG_BOARD_V4_V500      0x03      // V4-V500 = FireBird
+#define VREG_BOARD_V4_V500      0x03      // V4-V500 = Firebird
 #define VREG_BOARD_V4_V1200     0x04      // V4-V1200 = Icedrake
-#define VREG_BOARD_V4_SA        0x05      // V4-SA = StandAlone
+#define VREG_BOARD_V4_SA        0x05      // V4-SA = Standalone
 #define VREG_BOARD_V2_V1200     0x06      // V2-V1200 (legacy)
-#define VREG_BOARD_V4_V600      0x07      // V4-V600 = MantiCore
-#define VREG_BOARD_Future_1     0x08      // Future
+#define VREG_BOARD_V4_V600      0x07      // V4-V600 = Manticore
+#define VREG_BOARD_V4_UNI       0x08      // V4-UNI = Unicorn
 #define VREG_BOARD_Future_2     0x09      // Future
 
 #define VREG_BOARD              0xDFF3FC  // [16-bits] BoardID [HIGH-Byte: MODEL, LOW-Byte: xFREQ]
diff --git a/arch/m68k-amiga/hidd/sagagfx/sagagfx_init.c b/arch/m68k-amiga/hidd/sagagfx/sagagfx_init.c
index fe85c5d2cb2..c351be63c02 100644
--- a/arch/m68k-amiga/hidd/sagagfx/sagagfx_init.c
+++ b/arch/m68k-amiga/hidd/sagagfx/sagagfx_init.c
@@ -110,6 +110,7 @@ static int SAGAGfx_Init(LIBBASETYPEPTR LIBBASE)
 	case VREG_BOARD_V4_V500:
 	case VREG_BOARD_V4_V1200:
 	case VREG_BOARD_V4_V600:		
+	case VREG_BOARD_V4_UNI:				
             // SAGA V4 METHODS
             xsd->SAGAGfx_GetPixFmt         = SAGAHW_V4_GetPixFmt;
             xsd->SAGAGfx_GetModeID         = SAGAHW_V4_GetModeID;
diff --git a/rom/devs/ata/lowlevel.c b/rom/devs/ata/lowlevel.c
index 7683152bd60..64da7470fb7 100644
--- a/rom/devs/ata/lowlevel.c
+++ b/rom/devs/ata/lowlevel.c
@@ -16,15 +16,16 @@
 
 
 
-#define VREG_BOARD_Unknown  0x00 /* Unknown                         */
+#define VREG_BOARD_Unknown  0x00 /* Unknown,                        */
 #define VREG_BOARD_V600     0x01 /* Vampire V2 V600(+),   for A600  */
 #define VREG_BOARD_V500     0x02 /* Vampire V2 V500(+),   for A500  */
-#define VREG_BOARD_V4FB     0x03 /* Apollo V4 FireBird,   for A500  */
-#define VREG_BOARD_V4ID     0x04 /* Apollo V4 IceDrake,   for A1200 */
+#define VREG_BOARD_V4FB     0x03 /* Apollo V4 Firebird,   for A500  */
+#define VREG_BOARD_V4ID     0x04 /* Apollo V4 Icedrake,   for A1200 */
 #define VREG_BOARD_V4SA     0x05 /* Apollo V4 Standalone            */
 #define VREG_BOARD_V1200    0x06 /* Vampire V2 V1200,     for A1200 */
 #define VREG_BOARD_V4MC     0x07 /* Apollo V4 Manticore,  for A600  */
-#define VREG_BOARD_Future   0x08 /* Unknow                          */
+#define VREG_BOARD_V4UNI    0x08 /* Apollo V4 Unicorn,              */
+#define VREG_BOARD_Future   0x09 /* Unknown                         */
 
 static BYTE ata_Identify(struct ata_Unit *unit);
 static BYTE ata_ReadSector32(struct ata_Unit *, ULONG, ULONG, APTR, ULONG *);