diff --git a/src/main/acio/kfca.h b/src/main/acio/kfca.h
index 7106c4c..1132603 100644
--- a/src/main/acio/kfca.h
+++ b/src/main/acio/kfca.h
@@ -2,8 +2,8 @@
 #define AC_IO_KFCA_H
 
 #define AC_IO_CMD_KFCA_POLL             0x0113
-#define AC_IO_CMD_KFCA_UNK_0120         0x0120
-#define AC_IO_CMD_KFCA_UNK_0128         0x0128
+#define AC_IO_CMD_KFCA_WATCHDOG         0x0120
+#define AC_IO_CMD_KFCA_AMP_CONTROL         0x0128
 
 #define AC_IO_KFCA_IN_GPIO_SYS_COIN     0x04
 /*  ... AC_IO_KFCA_IN_GPIO_SYS_COIN2    0x08 (maybe?) */
@@ -14,6 +14,7 @@
 #define AC_IO_KFCA_IN_GPIO_0_B          0x0002
 #define AC_IO_KFCA_IN_GPIO_0_A          0x0004
 #define AC_IO_KFCA_IN_GPIO_0_START      0x0008
+#define AC_IO_KFCA_IN_GPIO_0_RECORDER   0x0010
 #define AC_IO_KFCA_IN_GPIO_0_HEADPHONE  0x0020
 
 #define AC_IO_KFCA_IN_GPIO_1_FX_R       0x0008
@@ -39,6 +40,7 @@ struct ac_io_kfca_poll_in {
 struct ac_io_kfca_poll_out {
     uint32_t gpio;
     uint8_t pwm[18];
+    uint8_t unk[2];
 };
 
 #pragma pack(pop)
diff --git a/src/main/bemanitools/sdvxio.h b/src/main/bemanitools/sdvxio.h
index 3e85f3b..7518a2d 100644
--- a/src/main/bemanitools/sdvxio.h
+++ b/src/main/bemanitools/sdvxio.h
@@ -10,8 +10,8 @@
 
 enum sdvx_io_in_gpio_sys_bit {
     SDVX_IO_IN_GPIO_SYS_COIN = 2,
-    SDVX_IO_IN_GPIO_SYS_TEST = 4,
-    SDVX_IO_IN_GPIO_SYS_SERVICE = 5,
+    SDVX_IO_IN_GPIO_SYS_SERVICE = 4,
+    SDVX_IO_IN_GPIO_SYS_TEST = 5,
 };
 
 enum sdvx_io_in_gpio_0_bit {
@@ -19,7 +19,8 @@ enum sdvx_io_in_gpio_0_bit {
     SDVX_IO_IN_GPIO_0_B = 1,
     SDVX_IO_IN_GPIO_0_A = 2,
     SDVX_IO_IN_GPIO_0_START = 3,
-    SDVX_IO_IN_GPIO_0_HEADPHONE = 4,
+    SDVX_IO_IN_GPIO_0_RECORDER = 4,
+    SDVX_IO_IN_GPIO_0_HEADPHONE = 5,
 };
 
 enum sdvx_io_in_gpio_1_bit {
diff --git a/src/main/bsthook/kfca.c b/src/main/bsthook/kfca.c
index 0b37b50..f6ce753 100644
--- a/src/main/bsthook/kfca.c
+++ b/src/main/bsthook/kfca.c
@@ -47,14 +47,14 @@ void kfca_dispatch_request(const struct ac_io_message *req)
 
         break;
 
-    case AC_IO_CMD_KFCA_UNK_0120:
-        log_misc("AC_IO_CMD_KFCA_UNK_%04X(%d)", cmd_code, req->addr);
+    case AC_IO_CMD_KFCA_WATCHDOG:
+        log_misc("AC_IO_CMD_KFCA_WATCHDOG(%d)", req->addr);
         kfca_report_status(req, 0x00);
 
         break;
 
-    case AC_IO_CMD_KFCA_UNK_0128:
-        log_misc("AC_IO_CMD_KFCA_UNK_%04X(%d)", cmd_code, req->addr);
+    case AC_IO_CMD_KFCA_AMP_CONTROL:
+        log_misc("AC_IO_CMD_KFCA_AMP_CONTROL(%d)", req->addr);
         kfca_report_nil(req);
 
         break;
diff --git a/src/main/sdvxhook/kfca.c b/src/main/sdvxhook/kfca.c
index eec5582..ea3ca53 100644
--- a/src/main/sdvxhook/kfca.c
+++ b/src/main/sdvxhook/kfca.c
@@ -52,14 +52,14 @@ void kfca_dispatch_request(const struct ac_io_message *req)
 
         break;
 
-    case AC_IO_CMD_KFCA_UNK_0120:
-        log_misc("AC_IO_CMD_KFCA_UNK_%04X(%d)", cmd_code, req->addr);
+    case AC_IO_CMD_KFCA_WATCHDOG:
+        log_misc("AC_IO_CMD_KFCA_WATCHDOG(%d)", req->addr);
         kfca_report_status(req, 0x00);
 
         break;
 
-    case AC_IO_CMD_KFCA_UNK_0128:
-        log_misc("AC_IO_CMD_KFCA_UNK_0128(%d)", req->addr);
+    case AC_IO_CMD_KFCA_AMP_CONTROL:
+        log_misc("AC_IO_CMD_KFCA_AMP_CONTROL(%d)", req->addr);
         kfca_report_0128(req);
 
         break;