diff --git a/src/chipset/cs8220.c b/src/chipset/cs8220.c
index 18161c90b..34229d536 100644
--- a/src/chipset/cs8220.c
+++ b/src/chipset/cs8220.c
@@ -218,38 +218,28 @@ cs8220_init(UNUSED(const device_t *info))
             dev->ram_banks[0].virt = 0x00000000;
             dev->ram_banks[0].phys = 0x00000000;
             dev->ram_banks[0].size = 0x00080000;
-            dev->ram_banks[1].virt = 0x00080000;
-            dev->ram_banks[1].phys = 0x00080000;
-            dev->ram_banks[1].size = 0x00020000;
-            /* Pretend there's a 128k expansion. */
-            dev->ram_banks[2].virt = 0x00100000;
-            dev->ram_banks[2].phys = 0x00080000;
-            dev->ram_banks[2].size = 0x00020000;
-            break;
-        case 896:
-            dev->ram_banks[0].virt = 0x00000000;
-            dev->ram_banks[0].phys = 0x00000000;
-            dev->ram_banks[0].size = 0x00080000;
-            dev->ram_banks[1].virt = 0x00080000;
-            dev->ram_banks[1].phys = 0x00080000;
-            dev->ram_banks[1].size = 0x00020000;
             /* Pretend there's a 256k expansion. */
             dev->ram_banks[2].virt = 0x00100000;
             dev->ram_banks[2].phys = 0x00080000;
             dev->ram_banks[2].size = 0x00040000;
             break;
-        case 1024:
+        case 896:
             dev->ram_banks[0].virt = 0x00000000;
             dev->ram_banks[0].phys = 0x00000000;
             dev->ram_banks[0].size = 0x00080000;
-            dev->ram_banks[1].virt = 0x00080000;
-            dev->ram_banks[1].phys = 0x00080000;
-            dev->ram_banks[1].size = 0x00020000;
             /* Pretend there's a 384k expansion. */
             dev->ram_banks[2].virt = 0x00100000;
             dev->ram_banks[2].phys = 0x00080000;
             dev->ram_banks[2].size = 0x00060000;
             break;
+        case 1024:
+            dev->ram_banks[0].virt = 0x00000000;
+            dev->ram_banks[0].phys = 0x00000000;
+            dev->ram_banks[0].size = 0x00080000;
+            dev->ram_banks[1].virt = 0x00100000;
+            dev->ram_banks[1].phys = 0x00080000;
+            dev->ram_banks[1].size = 0x00080000;
+            break;
     }
 
     mem_set_mem_state(0x00000000, (mem_size << 10) + 0x00060000, MEM_READ_EXTANY | MEM_WRITE_EXTANY);