diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c
index 6129db4a6a38..12dc0d176f3f 100644
--- a/drivers/scsi/stex.c
+++ b/drivers/scsi/stex.c
@@ -119,6 +119,7 @@ enum {
 	st_vsc					= 1,
 	st_vsc1					= 2,
 	st_yosemite				= 3,
+	st_seq					= 4,
 
 	PASSTHRU_REQ_TYPE			= 0x00000001,
 	PASSTHRU_REQ_NO_WAKEUP			= 0x00000100,
@@ -1127,7 +1128,7 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	hba->cardtype = (unsigned int) id->driver_data;
 	if (hba->cardtype == st_vsc && (pdev->subsystem_device & 0xf) == 0x1)
 		hba->cardtype = st_vsc1;
-	hba->dma_size = (hba->cardtype == st_vsc1) ?
+	hba->dma_size = (hba->cardtype == st_vsc1 || hba->cardtype == st_seq) ?
 		(STEX_BUFFER_SIZE + ST_ADDITIONAL_MEM) : (STEX_BUFFER_SIZE);
 	hba->dma_mem = dma_alloc_coherent(&pdev->dev,
 		hba->dma_size, &hba->dma_handle, GFP_KERNEL);
@@ -1150,7 +1151,7 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		host->max_lun = 128;
 		host->max_id = 1 + 1;
 	} else {
-		/* st_vsc and st_vsc1 */
+		/* st_vsc , st_vsc1 and st_seq */
 		host->max_lun = 1;
 		host->max_id = 128 + 1;
 	}
@@ -1312,6 +1313,9 @@ static struct pci_device_id stex_pci_tbl[] = {
 		st_yosemite }, /* SuperTrak EX8654 */
 	{ 0x105a, 0x8650, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
 		st_yosemite }, /* generic st_yosemite */
+
+	/* st_seq */
+	{ 0x105a, 0x3360, PCI_ANY_ID, PCI_ANY_ID, 0, 0, st_seq },
 	{ }	/* terminate list */
 };
 MODULE_DEVICE_TABLE(pci, stex_pci_tbl);