diff --git a/src/hardware/dslogic/api.c b/src/hardware/dslogic/api.c
index 7ee747a1..342ce2b0 100644
--- a/src/hardware/dslogic/api.c
+++ b/src/hardware/dslogic/api.c
@@ -27,23 +27,23 @@ static const struct dslogic_profile supported_device[] = {
 	/* DreamSourceLab DSLogic */
 	{ 0x2a0e, 0x0001, "DreamSourceLab", "DSLogic", NULL,
 		"dreamsourcelab-dslogic-fx2.fw",
-		0, "DreamSourceLab", "DSLogic"},
+		0, "DreamSourceLab", "DSLogic", 256 * 1048576ULL},
 	/* DreamSourceLab DSCope */
 	{ 0x2a0e, 0x0002, "DreamSourceLab", "DSCope", NULL,
 		"dreamsourcelab-dscope-fx2.fw",
-		0, "DreamSourceLab", "DSCope"},
+		0, "DreamSourceLab", "DSCope", 256 * 1048576ULL},
 	/* DreamSourceLab DSLogic Pro */
 	{ 0x2a0e, 0x0003, "DreamSourceLab", "DSLogic Pro", NULL,
 		"dreamsourcelab-dslogic-pro-fx2.fw",
-		0, "DreamSourceLab", "DSLogic"},
+		0, "DreamSourceLab", "DSLogic", 256 * 1048576ULL},
 	/* DreamSourceLab DSLogic Plus */
 	{ 0x2a0e, 0x0020, "DreamSourceLab", "DSLogic Plus", NULL,
 		"dreamsourcelab-dslogic-plus-fx2.fw",
-		0, "DreamSourceLab", "DSLogic"},
+		0, "DreamSourceLab", "DSLogic", 256 * 1048576ULL},
 	/* DreamSourceLab DSLogic Basic */
 	{ 0x2a0e, 0x0021, "DreamSourceLab", "DSLogic Basic", NULL,
 		"dreamsourcelab-dslogic-basic-fx2.fw",
-		0, "DreamSourceLab", "DSLogic"},
+		0, "DreamSourceLab", "DSLogic", 256 * 1024ULL},
 
 	ALL_ZERO
 };
diff --git a/src/hardware/dslogic/protocol.h b/src/hardware/dslogic/protocol.h
index 8e889940..3729e5cd 100644
--- a/src/hardware/dslogic/protocol.h
+++ b/src/hardware/dslogic/protocol.h
@@ -67,6 +67,9 @@ struct dslogic_profile {
 
 	const char *usb_manufacturer;
 	const char *usb_product;
+
+	/* Memory depth in bits. */
+	uint64_t mem_depth;
 };
 
 struct dev_context {