The Virtual PC 2007 machine now correctly uses the version of 440BX without AGP.

src/chipset/intel_4x0.c

@@ -1779,7 +1779,6 @@ const device_t i440ex_device =
     NULL
 };
 
-
 const device_t i440bx_device =
 {
     "Intel 82443BX",
@@ -1794,6 +1793,20 @@ const device_t i440bx_device =
     NULL
 };
 
+const device_t i440bx_no_agp_device =
+{
+    "Intel 82443BX",
+    DEVICE_PCI,
+    0x8200 | INTEL_440BX,
+    i4x0_init, 
+    i4x0_close, 
+    i4x0_reset,
+    { NULL },
+    NULL,
+    NULL,
+    NULL
+};
+
 const device_t i440gx_device =
 {
     "Intel 82443GX",

src/include/86box/chipset.h

@@ -75,6 +75,7 @@ extern const device_t	i440fx_device;
 extern const device_t	i440lx_device;
 extern const device_t	i440ex_device;
 extern const device_t	i440bx_device;
+extern const device_t	i440bx_no_agp_device;
 extern const device_t	i440gx_device;
 extern const device_t	i440zx_device;
 

src/machine/m_at_misc.c

@@ -63,7 +63,7 @@ machine_at_vpc2007_init(const machine_t *model)
     pci_register_slot(0x0D, PCI_CARD_NORMAL, 1, 2, 3, 4);
     pci_register_slot(0x0E, PCI_CARD_NORMAL, 1, 2, 3, 4);
     pci_register_slot(0x0F, PCI_CARD_NORMAL, 1, 2, 3, 4);
-    device_add(&i440bx_device);
+    device_add(&i440bx_no_agp_device);
     device_add(&piix4e_device);
     device_add(&w83977f_370_device);
     device_add(&keyboard_ps2_ami_pci_device);