diff --git a/hash/coco_cart.xml b/hash/coco_cart.xml
index dca0227e128..b0aa2927bac 100644
--- a/hash/coco_cart.xml
+++ b/hash/coco_cart.xml
@@ -475,6 +475,7 @@ Compiled by K1W1 and Cowering (from GoodCoCo)
 		<publisher>Tandy</publisher>
 		<info name="serial" value="26-2226" />
 		<part name="cart" interface="coco_cart">
+			<feature name="slot" value="rs232" />
 			<dataarea name="rom" size="4096">
 				<rom name="deluxe rs-232 program pak (1983)(26-2226)(tandy).rom" size="4096" crc="d990e1f9" sha1="3fad25f3462a0b581b9c182ac11ad90c8fa08cb6" offset="0" />
 			</dataarea>
@@ -552,6 +553,7 @@ Compiled by K1W1 and Cowering (from GoodCoCo)
 		<publisher>Tandy</publisher>
 		<info name="serial" value="26-2228" />
 		<part name="cart" interface="coco_cart">
+			<feature name="slot" value="dcmodem" />
 			<dataarea name="rom" size="8192">
 				<rom name="color computer modem pak (1985)(26-2228)(tandy).rom" size="8192" crc="667bc55d" sha1="703fe0aba4a603591078cb675ffd26a67c02df88" offset="0" />
 			</dataarea>
@@ -976,6 +978,7 @@ Compiled by K1W1 and Cowering (from GoodCoCo)
 		<info name="author" value="Jon Bokelman" />
 		<info name="serial" value="26-3143" />
 		<part name="cart" interface="coco_cart">
+			<feature name="slot" value="orch90" />
 			<dataarea name="rom" size="8192">
 				<rom name="orchestra 90 (1984)(26-3143)(tandy).rom" size="8192" crc="15fb39af" sha1="6a20fee9c70b36a6435ac8378f31d5b626017df0" offset="0" />
 			</dataarea>
diff --git a/src/devices/bus/coco/coco_dcmodem.cpp b/src/devices/bus/coco/coco_dcmodem.cpp
index 693b2457e51..bebd6c275d5 100644
--- a/src/devices/bus/coco/coco_dcmodem.cpp
+++ b/src/devices/bus/coco/coco_dcmodem.cpp
@@ -70,6 +70,11 @@ namespace
 			return memregion("eprom")->base();
 		}
 
+		virtual memory_region* get_cart_memregion() override
+		{
+			return memregion("eprom");
+		}
+
 	private:
 		// internal state
 		required_device<mos6551_device> m_uart;
diff --git a/src/devices/bus/coco/coco_orch90.cpp b/src/devices/bus/coco/coco_orch90.cpp
index 4023c7f2a0b..2ad8afdaae1 100644
--- a/src/devices/bus/coco/coco_orch90.cpp
+++ b/src/devices/bus/coco/coco_orch90.cpp
@@ -92,6 +92,11 @@ namespace
 			return memregion("eprom")->base();
 		}
 
+		virtual memory_region* get_cart_memregion() override
+		{
+			return memregion("eprom");
+		}
+
 	private:
 		WRITE8_MEMBER(write_left)   { m_ldac->write(data); }
 		WRITE8_MEMBER(write_right)  { m_rdac->write(data); }
diff --git a/src/devices/bus/coco/coco_rs232.cpp b/src/devices/bus/coco/coco_rs232.cpp
index e058a9d3f3c..5a124986792 100644
--- a/src/devices/bus/coco/coco_rs232.cpp
+++ b/src/devices/bus/coco/coco_rs232.cpp
@@ -68,6 +68,11 @@ namespace
 			return memregion("eprom")->base();
 		}
 
+		virtual memory_region* get_cart_memregion() override
+		{
+			return memregion("eprom");
+		}
+
 	private:
 		// internal state
 		required_device<mos6551_device> m_uart;
diff --git a/src/devices/bus/coco/cococart.cpp b/src/devices/bus/coco/cococart.cpp
index 93045e85230..6bf6360d24b 100644
--- a/src/devices/bus/coco/cococart.cpp
+++ b/src/devices/bus/coco/cococart.cpp
@@ -412,11 +412,11 @@ image_init_result cococart_slot_device::call_load()
 	{
 		memory_region *cart_mem = m_cart->get_cart_memregion();
 		uint8_t *base = cart_mem->base();
-		offs_t read_length, cart_legnth = cart_mem->bytes();;
+		offs_t read_length, cart_length = cart_mem->bytes();;
 
 		if (!loaded_through_softlist())
 		{
-			read_length = fread(base, cart_legnth);
+			read_length = fread(base, cart_length);
 		}
 		else
 		{
@@ -424,7 +424,7 @@ image_init_result cococart_slot_device::call_load()
 			memcpy(base, get_software_region("rom"), read_length);
 		}
 
-		while (read_length < cart_legnth)
+		while (read_length < cart_length)
 		{
 			offs_t len = std::min(read_length, m_cart->get_cart_size() - read_length);
 			memcpy(base + read_length, base, len);