diff --git a/sys/dev/mrsas/mrsas.c b/sys/dev/mrsas/mrsas.c
index f8d07b3fe90f..4bf7ea543ddb 100644
--- a/sys/dev/mrsas/mrsas.c
+++ b/sys/dev/mrsas/mrsas.c
@@ -2272,6 +2272,9 @@ mrsas_init_fw(struct mrsas_softc *sc)
 	if (sc->use_seqnum_jbod_fp)
 		device_printf(sc->mrsas_dev, "FW supports JBOD Map \n");
 
+	if (sc->support_morethan256jbod)
+		device_printf(sc->mrsas_dev, "FW supports JBOD Map Ext \n");
+
 	if (mrsas_setup_raidmap(sc) != SUCCESS) {
 		device_printf(sc->mrsas_dev, "Error: RAID map setup FAILED !!! "
 		    "There seems to be some problem in the controller\n"
@@ -3381,6 +3384,9 @@ mrsas_get_ctrl_info(struct mrsas_softc *sc)
 
 	sc->use_seqnum_jbod_fp =
 	    sc->ctrl_info->adapterOperations3.useSeqNumJbodFP;
+	sc->support_morethan256jbod =
+		sc->ctrl_info->adapterOperations4.supportPdMapTargetId;
+
 	sc->disableOnlineCtrlReset =
 	    sc->ctrl_info->properties.OnOffProperties.disableOnlineCtrlReset;
 
diff --git a/sys/dev/mrsas/mrsas.h b/sys/dev/mrsas/mrsas.h
index bb7af5622d22..8ad1b4b11de9 100644
--- a/sys/dev/mrsas/mrsas.h
+++ b/sys/dev/mrsas/mrsas.h
@@ -1023,7 +1023,8 @@ struct MR_PD_CFG_SEQ {
 		u_int8_t tmCapable:1;
 		u_int8_t reserved:7;
 	} capability;
-	u_int8_t reserved[3];
+	u_int8_t reserved;
+	u_int16_t pdTargetId;
 } __packed;
 
 struct MR_PD_CFG_SEQ_NUM_SYNC {
@@ -2197,7 +2198,21 @@ struct mrsas_ctrl_info {
 		u_int32_t reserved:7;
 	}	adapterOperations3;
 
-	u_int8_t pad[0x800 - 0x7EC];	/* 0x7EC */
+	u_int8_t pad_cpld[16];
+
+	struct {
+		u_int16_t ctrlInfoExtSupported:1;
+		u_int16_t supportIbuttonLess:1;
+		u_int16_t supportedEncAlgo:1;
+		u_int16_t supportEncryptedMfc:1;
+		u_int16_t imageUploadSupported:1;
+		u_int16_t supportSESCtrlInMultipathCfg:1;
+		u_int16_t supportPdMapTargetId:1;
+		u_int16_t FWSwapsBBUVPDInfo:1;
+		u_int16_t reserved:8;
+	}	adapterOperations4;
+
+	u_int8_t pad[0x800 - 0x7FE];	/* 0x7FE */
 } __packed;
 
 /*
@@ -3042,6 +3057,8 @@ struct mrsas_softc {
 	u_int8_t mrsas_gen3_ctrl;
 	u_int8_t secure_jbod_support;
 	u_int8_t use_seqnum_jbod_fp;
+	/* FW suport for more than 256 PD/JBOD */
+	u_int32_t support_morethan256jbod;
 	u_int8_t max256vdSupport;
 	u_int16_t fw_supported_vd_count;
 	u_int16_t fw_supported_pd_count;
diff --git a/sys/dev/mrsas/mrsas_cam.c b/sys/dev/mrsas/mrsas_cam.c
index c09e220ce788..5b29917ad918 100644
--- a/sys/dev/mrsas/mrsas_cam.c
+++ b/sys/dev/mrsas/mrsas_cam.c
@@ -1084,7 +1084,13 @@ mrsas_build_syspdio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
 		//printf("Using Drv seq num\n");
 		pd_sync = (void *)sc->jbodmap_mem[(sc->pd_seq_map_id - 1) & 1];
 		cmd->tmCapable = pd_sync->seq[device_id].capability.tmCapable;
-		io_request->RaidContext.raid_context.VirtualDiskTgtId = device_id + 255;
+		/* More than 256 PD/JBOD support for Ventura */
+		if (sc->support_morethan256jbod)
+			io_request->RaidContext.raid_context.VirtualDiskTgtId =
+				pd_sync->seq[device_id].pdTargetId;
+		else
+			io_request->RaidContext.raid_context.VirtualDiskTgtId =
+				device_id + 255;
 		io_request->RaidContext.raid_context.configSeqNum = pd_sync->seq[device_id].seqNum;
 		io_request->DevHandle = pd_sync->seq[device_id].devHandle;
 		if (sc->is_ventura)