diff --git a/src/include/86box/disksizes.h b/src/include/86box/disksizes.h
new file mode 100644
index 000000000..e47b82943
--- /dev/null
+++ b/src/include/86box/disksizes.h
@@ -0,0 +1,70 @@
+/*
+ * 86Box    A hypervisor and IBM PC system emulator that specializes in
+ *          running old operating systems and software designed for IBM
+ *          PC systems and compatibles from 1981 through fairly recent
+ *          system designs based on the PCI bus.
+ *
+ *          This file is part of the 86Box distribution.
+ *
+ *          Header of the emulation of the PC speaker.
+ *
+ *
+ *
+ * Authors: Jasmine Iwanek <jriwanek@gmail.com/>
+ *
+ *          Copyright 2022 Jasmine Iwanek
+ */
+
+#ifndef DISK_SIZES_H
+#define DISK_SIZES_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+    int hole;
+    int sides;
+    int data_rate;
+    int encoding;
+    int rpm;
+    int tracks;
+    int sectors;    /* For IMG and Japanese FDI only. */
+    int sector_len; /* For IMG and Japanese FDI only. */
+    int media_desc;
+    int spc;
+    int num_fats;
+    int spfat;
+    int root_dir_entries;
+} disk_size_t;
+
+static const disk_size_t disk_sizes[14] = {
+// clang-format off
+//  { 1,  1, 2, 1, 1,  77, 26, 0, 0,    4, 2, 6,  68 }, /* 250k 8" */
+//  { 1,  2, 2, 1, 1,  77, 26, 0, 0,    4, 2, 6,  68 }, /* 500k 8" */
+//  { 1,  1, 2, 1, 1,  77,  8, 3, 0,    1, 2, 2, 192 }, /* 616k 8" */
+//  { 1,  2, 0, 1, 1,  77,  8, 3, 0,    1, 2, 2, 192 }, /* 1232k 8" */
+    { 0,  1, 2, 1, 0,  40,  8, 2, 0xfe, 2, 2, 1,  64 }, /* 160k */
+    { 0,  1, 2, 1, 0,  40,  9, 2, 0xfc, 2, 2, 1,  64 }, /* 180k */
+    { 0,  2, 2, 1, 0,  40,  8, 2, 0xff, 2, 2, 1, 112 }, /* 320k */
+    { 0,  2, 2, 1, 0,  40,  9, 2, 0xfd, 2, 2, 2, 112 }, /* 360k */
+    { 0,  2, 2, 1, 0,  80,  8, 2, 0xfb, 2, 2, 2, 112 }, /* 640k */
+    { 0,  2, 2, 1, 0,  80,  9, 2, 0xf9, 2, 2, 3, 112 }, /* 720k */
+    { 1,  2, 0, 1, 1,  80, 15, 2, 0xf9, 1, 2, 7, 224 }, /* 1.2M */
+    { 1,  2, 0, 1, 1,  77,  8, 3, 0xfe, 1, 2, 2, 192 }, /* 1.25M */
+    { 1,  2, 0, 1, 0,  80, 18, 2, 0xf0, 1, 2, 9, 224 }, /* 1.44M */
+    { 1,  2, 0, 1, 0,  80, 21, 2, 0xf0, 2, 2, 5,  16 }, /* DMF cluster 1024 */
+    { 1,  2, 0, 1, 0,  80, 21, 2, 0xf0, 4, 2, 3,  16 }, /* DMF cluster 2048 */
+    { 2,  2, 3, 1, 0,  80, 36, 2, 0xf0, 2, 2, 9, 240 }, /* 2.88M */
+    { 0, 64, 0, 0, 0,  96, 32, 2,    0, 0, 0, 0,   0 }, /* ZIP 100 */
+    { 0, 64, 0, 0, 0, 239, 32, 2,    0, 0, 0, 0,   0 }, /* ZIP 250 */
+//  { 0,  8, 0, 0, 0, 963, 32, 2,    0, 0, 0, 0,   0 }, /* LS-120 */
+//  { 0, 32, 0, 0, 0, 262, 56, 2,    0, 0, 0, 0,   0 }  /* LS-240 */
+// clang-format on
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*DISK_SIZES_H*/
diff --git a/src/qt/qt_newfloppydialog.cpp b/src/qt/qt_newfloppydialog.cpp
index bad4fbf9e..cbb021963 100644
--- a/src/qt/qt_newfloppydialog.cpp
+++ b/src/qt/qt_newfloppydialog.cpp
@@ -60,21 +60,29 @@ struct disk_size_t {
 };
 
 static const disk_size_t disk_sizes[14] = {
-    {0,  1,  2, 1, 0, 40,  8,  2, 0xfe, 2, 2, 1, 64 }, /* 160k */
-    { 0, 1,  2, 1, 0, 40,  9,  2, 0xfc, 2, 2, 1, 64 }, /* 180k */
-    { 0, 2,  2, 1, 0, 40,  8,  2, 0xff, 2, 2, 1, 112}, /* 320k */
-    { 0, 2,  2, 1, 0, 40,  9,  2, 0xfd, 2, 2, 2, 112}, /* 360k */
-    { 0, 2,  2, 1, 0, 80,  8,  2, 0xfb, 2, 2, 2, 112}, /* 640k */
-    { 0, 2,  2, 1, 0, 80,  9,  2, 0xf9, 2, 2, 3, 112}, /* 720k */
-    { 1, 2,  0, 1, 1, 80,  15, 2, 0xf9, 1, 2, 7, 224}, /* 1.2M */
-    { 1, 2,  0, 1, 1, 77,  8,  3, 0xfe, 1, 2, 2, 192}, /* 1.25M */
-    { 1, 2,  0, 1, 0, 80,  18, 2, 0xf0, 1, 2, 9, 224}, /* 1.44M */
-    { 1, 2,  0, 1, 0, 80,  21, 2, 0xf0, 2, 2, 5, 16 }, /* DMF cluster 1024 */
-    { 1, 2,  0, 1, 0, 80,  21, 2, 0xf0, 4, 2, 3, 16 }, /* DMF cluster 2048 */
-    { 2, 2,  3, 1, 0, 80,  36, 2, 0xf0, 2, 2, 9, 240}, /* 2.88M */
-    { 0, 64, 0, 0, 0, 96,  32, 2, 0,    0, 0, 0, 0  }, /* ZIP 100 */
-    { 0, 64, 0, 0, 0, 239, 32, 2, 0,    0, 0, 0, 0  }
-}; /* ZIP 250 */
+// clang-format off
+//  { 1,  1, 2, 1, 1,  77, 26, 0, 0,    4, 2, 6,  68 }, /* 250k 8" */
+//  { 1,  2, 2, 1, 1,  77, 26, 0, 0,    4, 2, 6,  68 }, /* 500k 8" */
+//  { 1,  1, 2, 1, 1,  77,  8, 3, 0,    1, 2, 2, 192 }, /* 616k 8" */
+//  { 1,  2, 0, 1, 1,  77,  8, 3, 0,    1, 2, 2, 192 }, /* 1232k 8" */
+    { 0,  1, 2, 1, 0,  40,  8, 2, 0xfe, 2, 2, 1,  64 }, /* 160k */
+    { 0,  1, 2, 1, 0,  40,  9, 2, 0xfc, 2, 2, 1,  64 }, /* 180k */
+    { 0,  2, 2, 1, 0,  40,  8, 2, 0xff, 2, 2, 1, 112 }, /* 320k */
+    { 0,  2, 2, 1, 0,  40,  9, 2, 0xfd, 2, 2, 2, 112 }, /* 360k */
+    { 0,  2, 2, 1, 0,  80,  8, 2, 0xfb, 2, 2, 2, 112 }, /* 640k */
+    { 0,  2, 2, 1, 0,  80,  9, 2, 0xf9, 2, 2, 3, 112 }, /* 720k */
+    { 1,  2, 0, 1, 1,  80, 15, 2, 0xf9, 1, 2, 7, 224 }, /* 1.2M */
+    { 1,  2, 0, 1, 1,  77,  8, 3, 0xfe, 1, 2, 2, 192 }, /* 1.25M */
+    { 1,  2, 0, 1, 0,  80, 18, 2, 0xf0, 1, 2, 9, 224 }, /* 1.44M */
+    { 1,  2, 0, 1, 0,  80, 21, 2, 0xf0, 2, 2, 5,  16 }, /* DMF cluster 1024 */
+    { 1,  2, 0, 1, 0,  80, 21, 2, 0xf0, 4, 2, 3,  16 }, /* DMF cluster 2048 */
+    { 2,  2, 3, 1, 0,  80, 36, 2, 0xf0, 2, 2, 9, 240 }, /* 2.88M */
+    { 0, 64, 0, 0, 0,  96, 32, 2,    0, 0, 0, 0,   0 }, /* ZIP 100 */
+    { 0, 64, 0, 0, 0, 239, 32, 2,    0, 0, 0, 0,   0 }, /* ZIP 250 */
+//  { 0,  8, 0, 0, 0, 963, 32, 2,    0, 0, 0, 0,   0 }, /* LS-120 */
+//  { 0, 32, 0, 0, 0, 262, 56, 2,    0, 0, 0, 0,   0 }  /* LS-240 */
+// clang-format on
+};
 
 static const QStringList rpmModes = {
     "Perfect RPM",
diff --git a/src/win/win_new_floppy.c b/src/win/win_new_floppy.c
index 33807a78e..6e3f765f0 100644
--- a/src/win/win_new_floppy.c
+++ b/src/win/win_new_floppy.c
@@ -26,6 +26,7 @@
 #include <stdlib.h>
 #include <wchar.h>
 #include <86box/86box.h>
+#include <86box/disksizes.h>
 #include <86box/plat.h>
 #include <86box/random.h>
 #include <86box/ui.h>
@@ -34,43 +35,6 @@
 #include <86box/zip.h>
 #include <86box/win.h>
 
-typedef struct {
-    int hole;
-    int sides;
-    int data_rate;
-    int encoding;
-    int rpm;
-    int tracks;
-    int sectors;    /* For IMG and Japanese FDI only. */
-    int sector_len; /* For IMG and Japanese FDI only. */
-    int media_desc;
-    int spc;
-    int num_fats;
-    int spfat;
-    int root_dir_entries;
-} disk_size_t;
-
-static const disk_size_t disk_sizes[14] = {
-  //						{	1,  1, 2, 1, 1,  77, 26, 0,    0, 4, 2,  6,  68 },		/* 250k 8" */
-  //						{	1,  2, 2, 1, 1,  77, 26, 0,    0, 4, 2,  6,  68 },		/* 500k 8" */
-  //						{	1,  1, 2, 1, 1,  77,  8, 3,    0, 1, 2,  2, 192 },		/* 616k 8" */
-  //						{	1,  2, 0, 1, 1,  77,  8, 3,    0, 1, 2,  2, 192 },		/* 1232k 8" */
-    {0,  1,  2, 1, 0, 40,  8,  2, 0xfe, 1, 2, 1, 64 }, /* 160k */
-    { 0, 1,  2, 1, 0, 40,  9,  2, 0xfc, 1, 2, 2, 64 }, /* 180k */
-    { 0, 2,  2, 1, 0, 40,  8,  2, 0xff, 2, 2, 1, 112}, /* 320k */
-    { 0, 2,  2, 1, 0, 40,  9,  2, 0xfd, 2, 2, 2, 112}, /* 360k */
-    { 0, 2,  2, 1, 0, 80,  8,  2, 0xfb, 2, 2, 2, 112}, /* 640k */
-    { 0, 2,  2, 1, 0, 80,  9,  2, 0xf9, 2, 2, 3, 112}, /* 720k */
-    { 1, 2,  0, 1, 1, 80,  15, 2, 0xf9, 1, 2, 7, 224}, /* 1.2M */
-    { 1, 2,  0, 1, 1, 77,  8,  3, 0xfe, 1, 2, 2, 192}, /* 1.25M */
-    { 1, 2,  0, 1, 0, 80,  18, 2, 0xf0, 1, 2, 9, 224}, /* 1.44M */
-    { 1, 2,  0, 1, 0, 80,  21, 2, 0xf0, 2, 2, 5, 16 }, /* DMF cluster 1024 */
-    { 1, 2,  0, 1, 0, 80,  21, 2, 0xf0, 4, 2, 3, 16 }, /* DMF cluster 2048 */
-    { 2, 2,  3, 1, 0, 80,  36, 2, 0xf0, 2, 2, 9, 240}, /* 2.88M */
-    { 0, 64, 0, 0, 0, 96,  32, 2, 0,    0, 0, 0, 0  }, /* ZIP 100 */
-    { 0, 64, 0, 0, 0, 239, 32, 2, 0,    0, 0, 0, 0  }
-}; /* ZIP 250 */
-
 static unsigned char *empty;
 
 static int