diff --git a/src/include/86box/video.h b/src/include/86box/video.h
index 5fa6c5d57..3a1cb0d77 100644
--- a/src/include/86box/video.h
+++ b/src/include/86box/video.h
@@ -319,6 +319,7 @@ extern const device_t gd5426_onboard_device;
 extern const device_t gd5428_isa_device;
 extern const device_t gd5428_vlb_device;
 extern const device_t gd5428_diamond_speedstar_pro_b1_vlb_device;
+extern const device_t gd5428_boca_isa_device;
 extern const device_t gd5428_mca_device;
 extern const device_t gd5426_mca_device;
 extern const device_t gd5428_onboard_device;
diff --git a/src/video/vid_cl54xx.c b/src/video/vid_cl54xx.c
index 709e2a972..c18e4c532 100644
--- a/src/video/vid_cl54xx.c
+++ b/src/video/vid_cl54xx.c
@@ -51,6 +51,7 @@
 #define BIOS_GD5428_ISA_PATH		"roms/video/cirruslogic/5428.bin"
 #define BIOS_GD5428_MCA_PATH		"roms/video/cirruslogic/SVGA141.ROM"
 #define BIOS_GD5428_PATH		"roms/video/cirruslogic/vlbusjapan.BIN"
+#define BIOS_GD5428_BOCA_ISA_PATH		"roms/video/cirruslogic/boca_gd5428_1.30b.bin"
 #define BIOS_GD5429_PATH		"roms/video/cirruslogic/5429.vbi"
 #define BIOS_GD5430_DIAMOND_A8_VLB_PATH	"roms/video/cirruslogic/diamondvlbus.bin"
 #define BIOS_GD5430_PATH		"roms/video/cirruslogic/pci.bin"
@@ -3913,7 +3914,10 @@ static void
 
 	case CIRRUS_ID_CLGD5428:
 		if (info->local & 0x100)
-			romfn = BIOS_GD5428_DIAMOND_B1_VLB_PATH;
+			if (gd54xx->vlb)
+				romfn = BIOS_GD5428_DIAMOND_B1_VLB_PATH;
+			else
+				romfn = BIOS_GD5428_BOCA_ISA_PATH;
 		else {
 			if (gd54xx->vlb)
 				romfn = BIOS_GD5428_PATH;
@@ -4181,6 +4185,12 @@ gd5428_diamond_b1_available(void)
     return rom_present(BIOS_GD5428_DIAMOND_B1_VLB_PATH);
 }
 
+static int
+gd5428_boca_isa_available(void)
+{
+    return rom_present(BIOS_GD5428_BOCA_ISA_PATH);
+}
+
 static int
 gd5428_isa_available(void)
 {
@@ -4694,6 +4704,20 @@ const device_t gd5428_diamond_speedstar_pro_b1_vlb_device = {
     .config = gd5426_config
 };
 
+const device_t gd5428_boca_isa_device = {
+    .name = "Cirrus Logic GD5428 (ISA) (BOCA Research 4610)",
+    .internal_name = "cl_gd5428_boca_isa",
+    .flags = DEVICE_AT | DEVICE_ISA,
+    .local = CIRRUS_ID_CLGD5428 | 0x100,
+    .init = gd54xx_init,
+    .close = gd54xx_close,
+    .reset = gd54xx_reset,
+    { .available = gd5428_boca_isa_available },
+    .speed_changed = gd54xx_speed_changed,
+    .force_redraw = gd54xx_force_redraw,
+    .config = gd5426_config
+};
+
 const device_t gd5428_mca_device = {
     .name = "Cirrus Logic GD5428 (MCA) (IBM SVGA Adapter/A)",
     .internal_name = "ibm1mbsvga",
diff --git a/src/video/vid_table.c b/src/video/vid_table.c
index 94d4601a8..6935769fd 100644
--- a/src/video/vid_table.c
+++ b/src/video/vid_table.c
@@ -101,6 +101,7 @@ video_cards[] = {
     { &gd5422_isa_device                             },
     { &gd5426_isa_device                             },
     { &gd5426_diamond_speedstar_pro_a1_isa_device    },
+    { &gd5428_boca_isa_device                        },
     { &gd5428_isa_device                             },
     { &gd5429_isa_device                             },
     { &gd5434_isa_device                             },