diff --git a/doc/devices/SWTG018AS_A_V2_0.md b/doc/devices/SWTG018AS_A_V2_0.md
index a6f8a895..1460ce61 100644
--- a/doc/devices/SWTG018AS_A_V2_0.md
+++ b/doc/devices/SWTG018AS_A_V2_0.md
@@ -4,7 +4,7 @@
 |---------|------------------|-------|------------------|-----------------|---------------|
 | Ampcom  | SWTG018AS-A V2.0 | No    | SWTG018AS-A V2.0 | 2MB             | 8273N + 8224N |
 | Horaco  | HC-SWTGW218AS-A  | Yes   | SWTG018AS-A V2.0 | 2MB(25Q16JVSIQ) | 8273N + 8224N |
-| GoodTop | GT-ST018M        | Yes   | SWTG018AS-A V2.0 | ?               | 8273N + 8224N |
+| GoodTop | GT-ST018M        | Yes   | SWTG018AS-A V2.0 | 2MB             | 8273N + 8224N |
 
 
 The following is a documentation for the unmanaged switch marked as `SWTG018AS-A V2.0`.
@@ -14,7 +14,7 @@ The original software is running UART on 9600 baud rate.
 
 Using a SOIC clamp in-board is the only method for initial installation.
 
-The board has a single flash chips `BS` with 4M-bit size. The front switch, switches between the two flash chips.
+The board has a single flash chips `BS` with 2M-byte size. The front switch, switches between the two flash chips.
 These can be programed independently by using said switch - so it is e.g. possible to run the original and new firmware in parallel.
 
 ### Label specifications
diff --git a/doc/supported_devices.md b/doc/supported_devices.md
index f0b11c63..9711d97e 100644
--- a/doc/supported_devices.md
+++ b/doc/supported_devices.md
@@ -8,7 +8,7 @@ The following devices have been tested and are fully working:
 | Davuaz   | Da-K6501W       | No      | [PCB-K0501W-V2.0](devices/K0501W_V2_0.md)                                 |       | 5 + 1 |
 | FOXNEO   | FNS-1200P       | No      | [PCB-K0402W-U13-V2.0](devices/FNS-1200P.md)                               | 2M    | 4 + 2 |
 | Goalake  | IG108           | No      | [PB-2132](devices/PB-2132.md)                                             | 4M    | 8 + 1 |
-| GoodTop  | GT-ST018M       | Yes     | [SWTG018AS-A V2.0](devices/SWTG018AS_A_V2_0.md)                           | ?     | 8 + 1 |
+| GoodTop  | GT-ST018M       | Yes     | [SWTG018AS-A V2.0](devices/SWTG018AS_A_V2_0.md)                           | 2M    | 8 + 1 |
 | GoodTop  | GT-ST024M       | Yes     | [SWTG024AS-A V2.0.1](devices/SWTG024AS-A-V2.0.1_4C_2SFP.md)               | 2M    | 4 + 2 |
 | Guangnianwei | 7018-2.5G   | No      | [F7008-2.5GPOE-V1.2](devices/F7008-2.5.md)                                | 8M    | 8 + 1 |
 | Hasivo   | S1100WP_8GT_1SX_SE | Yes  | [S1100WP_8GT_1SX_SE-V1.05](devices/HASIVO_S1100WP_8GT_1SX_SE.md)          | 2M    | 8 + 1 |
diff --git a/machine/GT_ST018M.c b/machine/GT_ST018M.c
new file mode 120000
index 00000000..c46221ee
--- /dev/null
+++ b/machine/GT_ST018M.c
@@ -0,0 +1 @@
+SWTG018AS_A_V_2_0.c
\ No newline at end of file
diff --git a/machine/GT_ST018M.h b/machine/GT_ST018M.h
new file mode 100644
index 00000000..c4550c26
--- /dev/null
+++ b/machine/GT_ST018M.h
@@ -0,0 +1,6 @@
+#ifndef _MACHINE_GT_ST018M_H_
+#define _MACHINE_GT_ST018M_H_
+
+#define MACHINE_MODEL "GoodTop GT-ST018M"
+
+#endif