diff --git a/src/machine/m_at_slot1.c b/src/machine/m_at_slot1.c
index a870d4c59..415998364 100644
--- a/src/machine/m_at_slot1.c
+++ b/src/machine/m_at_slot1.c
@@ -408,11 +408,10 @@ machine_at_atc6310bxii_init(const machine_t *model)
     pci_init(PCI_CONFIG_TYPE_1);
     pci_register_slot(0x00, PCI_CARD_NORTHBRIDGE, 0, 0, 0, 0);
     pci_register_slot(0x07, PCI_CARD_SOUTHBRIDGE, 1, 2, 3, 4);
-    pci_register_slot(0x0A, PCI_CARD_NORMAL,      1, 2, 3, 4);
-    pci_register_slot(0x0B, PCI_CARD_NORMAL,      2, 3, 4, 1);
-    pci_register_slot(0x0C, PCI_CARD_NORMAL,      3, 4, 1, 2);
-    pci_register_slot(0x0D, PCI_CARD_NORMAL,      4, 1, 2, 3);
-    pci_register_slot(0x0E, PCI_CARD_NORMAL,      4, 1, 2, 3);
+    pci_register_slot(0x08, PCI_CARD_NORMAL,      1, 2, 3, 4);
+    pci_register_slot(0x09, PCI_CARD_NORMAL,      2, 3, 4, 1);
+    pci_register_slot(0x0A, PCI_CARD_NORMAL,      3, 4, 1, 2);
+    pci_register_slot(0x0B, PCI_CARD_NORMAL,      4, 1, 2, 3);
     pci_register_slot(0x01, PCI_CARD_AGPBRIDGE,   1, 2, 3, 4);
     device_add(&i440bx_device);
     device_add(&slc90e66_device);