diff --git a/src/chipset/wd76c10.c b/src/chipset/wd76c10.c
index be18f8d96..d183cd043 100644
--- a/src/chipset/wd76c10.c
+++ b/src/chipset/wd76c10.c
@@ -8,6 +8,9 @@
  *
  *          Implementation of the Western Digital WD76C10 chipset.
  *
+ *          It appears that it hold separate lock/unlock states depending
+ *          on whether or not the access to port F073h was 8-bit or 16-bit.
+ *
  * Authors: Miran Grca, <mgrca8@gmail.com>
  *
  *          Copyright 2024 Miran Grca.
@@ -103,7 +106,7 @@ typedef struct
     uint16_t ems_page_regs[40];
     uint16_t lpt_base;
 
-    int locked;
+    int locked, lock8, lock16;
 
     uint32_t mem_top, hmwp_base;
     uint32_t fast;
@@ -1051,6 +1054,11 @@ wd76c10_outb(uint16_t port, uint8_t val, void *priv)
             if (valxor)
                 nvr_lock_set(0x38, 0x08, (val & 0x08) ? 0x03 : 0x00, dev->nvr);
             break;
+
+        case 0xf073:
+            dev->lock8 = ((val & 0x00ff) != 0x00da);
+            dev->locked = dev->lock8 && dev->lock16;
+            break;
     }
 }
 
@@ -1062,7 +1070,7 @@ wd76c10_outw(uint16_t port, uint16_t val, void *priv)
     uint8_t ems_en;
 
     if (!dev->locked || (port < 0x1072) || (port > 0xf872) ||
-        (port == 0xe072) || (port == 0xe872) || (port == 0xf073))  switch (port) {
+                        (port == 0xe072) || (port == 0xe872) || (port == 0xf073))  switch (port) {
         case 0x1072:
             dev->cpuclk = val;
             break;
@@ -1165,7 +1173,8 @@ wd76c10_outw(uint16_t port, uint16_t val, void *priv)
             break;
 
         case 0xf073:
-            dev->locked = ((val & 0x00ff) != 0x00da);
+            dev->lock16 = ((val & 0x00ff) != 0x00da);
+            dev->locked = dev->lock8 && dev->lock16;
             break;
 
         case 0xf872:
@@ -1199,7 +1208,7 @@ wd76c10_inw(uint16_t port, void *priv)
     wd76c10_log("WD76C10: R dev->regs[%04x]\n", port);
 
     if (!dev->locked || (port < 0x1072) || (port > 0xf872) ||
-        (port == 0xe072) || (port == 0xe872) || (port == 0xf073))  switch (port) {
+                        (port == 0xe072) || (port == 0xe872) || (port == 0xf073))  switch (port) {
         case 0x1072:
             ret = dev->cpuclk;
             break;
@@ -1303,6 +1312,8 @@ wd76c10_reset(void *priv)
 {
     wd76c10_t *dev = (wd76c10_t *)priv;
 
+    dev->lock8  = 1;
+    dev->lock16 = 1;
     dev->locked = 1;
     dev->toggle = 0;
 
@@ -1460,7 +1471,9 @@ wd76c10_init(UNUSED(const device_t *info))
     io_sethandler(0xe872, 1, NULL, wd76c10_inw, NULL, NULL, wd76c10_outw, NULL, dev);
 
     /* Lock/Unlock Configuration */
-    io_sethandler(0xf073, 1, NULL, NULL, NULL, NULL, wd76c10_outw, NULL, dev);
+    io_sethandler(0xf073, 1, NULL, NULL, NULL, wd76c10_outb, wd76c10_outw, NULL, dev);
+    // io_sethandler(0xf073, 1, NULL, NULL, NULL, NULL, wd76c10_outw, NULL, dev);
+    // io_sethandler(0xf073, 1, NULL, NULL, NULL, wd76c10_outb, NULL, NULL, dev);
 
     /* Cache Flush */
     io_sethandler(0xf872, 1, NULL, NULL, NULL, NULL, wd76c10_outw, NULL, dev);
diff --git a/src/machine/m_xt.c b/src/machine/m_xt.c
index c3904d7ec..d02d9d730 100644
--- a/src/machine/m_xt.c
+++ b/src/machine/m_xt.c
@@ -2016,7 +2016,7 @@ machine_xt_z184_init(const machine_t *model)
     /* So that serial_standalone_init() won't do anything. */
     serial_set_next_inst(SERIAL_MAX - 1);
 
-    device_add(&cga_device);
+    device_add(&v6355d_device);
 
     return ret;
 }
diff --git a/src/machine/machine_table.c b/src/machine/machine_table.c
index 25fb1c42a..de3d2a88c 100644
--- a/src/machine/machine_table.c
+++ b/src/machine/machine_table.c
@@ -6628,8 +6628,8 @@ const machine_t machines[] = {
         .default_jumpered_ecp_dma = -1,
         .kbc_device               = &kbc_at_device,
         .kbc_params               = KBC_VEN_QUADTEL,
-        .nvr_device               = &nvr_at_device,
-        .nvr_params               = NVR_AT,
+        .nvr_device               = NULL,
+        .nvr_params               = 0x00000000,
         .sio_device               = NULL,
         .sio_params               = 0x00000000,
         .kbc_p1                   = 0x00000cf0,
@@ -19893,8 +19893,8 @@ const machine_t machines[] = {
         .default_jumpered_ecp_dma = -1,
         .kbc_device               = NULL,
         .kbc_params               = 0x00000000,
-        .nvr_device               = &nvr_at_device,
-        .nvr_params               = NVR_AT,
+        .nvr_device               = NULL,
+        .nvr_params               = 0x00000000,
         .sio_device               = NULL,
         .sio_params               = 0x00000000,
         .kbc_p1                   = 0x00000cf0,
diff --git a/src/scsi/scsi.c b/src/scsi/scsi.c
index 89ea9fc29..79cdcda74 100644
--- a/src/scsi/scsi.c
+++ b/src/scsi/scsi.c
@@ -53,13 +53,13 @@ typedef const struct {
 static SCSI_CARD scsi_cards[] = {
   // clang-format off
     { &device_none,              },
-    /* ISA/Sidecar */
-    { &scsi_ls2000_device,       },
     /* ISA */
     { &scsi_lcs6821n_device,     },
     { &scsi_rt1000b_device,      },
     { &scsi_t128_device,         },
     { &scsi_t130b_device,        },
+    /* ISA/Sidecar */
+    { &scsi_ls2000_device,       },
     /* ISA16 */
     { &aha154xa_device,          },
     { &aha154xb_device,          },
@@ -91,12 +91,12 @@ static SCSI_CARD scsi_cards[] = {
     { &ncr53c825a_pci_device,    },
     { &ncr53c860_pci_device,     },
     { &ncr53c875_pci_device,     },
-    { &dc390_pci_device,         },
     { &qla1040b_device,          },
     { &qla1080_device,           },
     { &qla1240_device,           },
     { &qla1280_device,           },
     { &qla12160a_device,         },
+    { &dc390_pci_device,         },
     { NULL,                      },
   // clang-format on
 };
diff --git a/src/sound/sound.c b/src/sound/sound.c
index af2f958a9..a878b153a 100644
--- a/src/sound/sound.c
+++ b/src/sound/sound.c
@@ -122,11 +122,11 @@ static const SOUND_CARD sound_cards[] = {
     { &ess_ess0102_pnp_device       },
     { &ess_ess0968_pnp_device       },
     { &ssi2001_device               },
+    { &thunderboard_device          },
     { &mmb_device                   },
 #ifdef USE_LIBSERIALPORT /*The following devices required LIBSERIALPORT*/
     { &opl2board_device             },
 #endif
-    { &thunderboard_device          },
     { &pasplus_device               },
     { &sb_1_device                  },
     { &sb_15_device                 },