diff --git a/src/device/keyboard_at.c b/src/device/keyboard_at.c
index 4e6e24a1a..ff166ea89 100644
--- a/src/device/keyboard_at.c
+++ b/src/device/keyboard_at.c
@@ -1051,11 +1051,11 @@ add_data_kbd(uint16_t val)
 static void
 write_output(atkbd_t *dev, uint8_t val)
 {
-    uint8_t kbc_ven = dev->flags & KBC_VEN_MASK;
     uint8_t old = dev->output_port;
     kbd_log("ATkbc: write output port: %02X (old: %02X)\n", val, dev->output_port);
 
-    if ((kbc_ven == KBC_VEN_AMI) || ((dev->flags & KBC_TYPE_MASK) < KBC_TYPE_PS2_NOREF))
+    uint8_t kbc_ven = dev->flags & KBC_VEN_MASK;
+    if ((kbc_ven != KBC_VEN_OLIVETTI) && ((kbc_ven == KBC_VEN_AMI) || ((dev->flags & KBC_TYPE_MASK) < KBC_TYPE_PS2_NOREF)))
 	val |= ((dev->mem[0] << 4) & 0x10);
 
     /*IRQ 12*/
@@ -2104,7 +2104,7 @@ kbd_write(uint16_t port, uint8_t val, void *priv)
 			case 0xd0:	/* read output port */
 				kbd_log("ATkbc: read output port\n");
 				mask = 0xff;
-				if (((dev->flags & KBC_TYPE_MASK) < KBC_TYPE_PS2_NOREF) && (dev->mem[0] & 0x10))
+				if ((kbc_ven != KBC_VEN_OLIVETTI) && ((dev->flags & KBC_TYPE_MASK) < KBC_TYPE_PS2_NOREF) && (dev->mem[0] & 0x10))
 					mask &= 0xbf;
 				add_to_kbc_queue_front(dev, dev->output_port & mask, 0, 0x00);
 				break;
diff --git a/src/win/languages/pt-BR.rc b/src/win/languages/pt-BR.rc
index 2e6acc0b9..d97928cc2 100644
--- a/src/win/languages/pt-BR.rc
+++ b/src/win/languages/pt-BR.rc
@@ -102,7 +102,7 @@ BEGIN
         MENUITEM "&Configurações...",                IDM_CONFIG
         MENUITEM "&Atualizar ícones da barra de status",	IDM_UPDATE_ICONS
         MENUITEM SEPARATOR
-        MENUITEM "Alterar &configurações do programa...",    IDM_PREFERENCES
+        MENUITEM "&Preferências...",    IDM_PREFERENCES
 # ifdef USE_DISCORD
         MENUITEM SEPARATOR
         MENUITEM "Ativar integração com o &Discord", IDM_DISCORD
@@ -274,7 +274,7 @@ END
 // Dialog
 //
 
-#define STR_PREFERENCES		"Configurações do programa"
+#define STR_PREFERENCES		"Preferências do 86Box"
 #define STR_SND_GAIN		"Ganho de som"
 #define STR_NEW_FLOPPY		"Nova imagem de disquete"
 #define STR_CONFIG		"Configurações do 86Box"
diff --git a/src/win/languages/zh-CN.rc b/src/win/languages/zh-CN.rc
index 226d40465..f31180057 100644
--- a/src/win/languages/zh-CN.rc
+++ b/src/win/languages/zh-CN.rc
@@ -101,7 +101,7 @@ BEGIN
         MENUITEM "设置(&S)...",                IDM_CONFIG
         MENUITEM "更新状态栏图标(&U)",	IDM_UPDATE_ICONS
         MENUITEM SEPARATOR
-        MENUITEM "&Preferences...",    IDM_PREFERENCES
+        MENUITEM "&偏好选项(语言等)...",    IDM_PREFERENCES
 # ifdef USE_DISCORD
         MENUITEM SEPARATOR
         MENUITEM "启用 Discord 集成(&D)", IDM_DISCORD
@@ -273,7 +273,7 @@ END
 // Dialog
 //
 
-#define STR_PREFERENCES		"86Box Preferences"
+#define STR_PREFERENCES		"86Box 偏好选项"
 #define STR_SND_GAIN		"音量增益"
 #define STR_NEW_FLOPPY		"新建镜像"
 #define STR_CONFIG		"86Box 设置"