diff --git a/en/gpio-settings.md b/en/gpio-settings.md
index 3f45f2b..331c933 100644
--- a/en/gpio-settings.md
+++ b/en/gpio-settings.md
@@ -119,25 +119,28 @@ Tested on Gk7205v200:
 
 ### XM boards
 
-| Processor    | IRCUT1 | IRCUT2 | IRSTATUS | IRCTL | ALM_IN | ALM_OUT | ETH_ACT | ETH_STA | RESET | USB_ENA | AUDIO_POW | RS485_CTL |  NOTES |
-|--------------|--------|--------|----------|-------|--------|---------|---------|---------|-------|---------|-----------|-----------|--------|
-| GK7205V200   | 8      | 9      | 15       | 16    | 4, 53  | 55      | 14      | 12      | 0     |         |
-| GK7205V300   | 10     | 11     | 66       | 52    | 4      |         | 30      | 31      | 0     |         | 60        | 24        |        |
-| GK7605V100   | 10     | 11     | 66       | 52    | 4      |         | 30      | 31      | 0     |         | 60        | 24        |        |
-|              |        |        |          |       |        |         |         |         |       |         |
-| Hi3516Cv100  | 38     | 39     | 24       |       | 49     | 26      |         |         |       |         |
-| Hi3516Dv100* | 14     | 15     |  3       |       |        |         |         |         |       |         |
-| Hi3516Dv100** | 121    | 120    |  3       |       |        |         |         |         |       |         |
-| Hi3516Cv200  |        |        |          |       |        |         |         |         |       |         |
-| Hi3516Cv300  | 53     | 54     | 64       | 66    | 55     | 1       |         |         | 2     | 63      |
-| Hi3516Ev100  | 53     | 54     | 64       |       |        |         |         |         |       |         |
-| Hi3516Ev200  | 8      | 9      | 15       | 16    | 4, 53  | 55      | 14      | 12      | 0     |         |
-| Hi3516Ev300  | 10     | 11     | 66       | 52    | 4, 67  | 65      | 30      | 31      | 0     |         | 
-| Hi3518Ev200  | 33     | 34     |          |       | 61     | 35      |         |         |       |         |
+| Processor       | IRCUT1 | IRCUT2 | IRSTATUS | IRCTL | ALM_IN | ALM_OUT | ETH_ACT | ETH_STA | RESET | USB_ENA | AUDIO_POW | RS485_CTL |  NOTES |
+|-----------------|--------|--------|----------|-------|--------|---------|---------|---------|-------|---------|-----------|-----------|--------|
+| GK7205V200      | 8      | 9      | 15       | 16    | 4, 53  | 55      | 14      | 12      | 0     |         |
+| GK7205V300      | 10     | 11     | 66       | 52    | 4      |         | 30      | 31      | 0     |         | 60        | 24        |        |
+| GK7605V100      | 10     | 11     | 66       | 52    | 4      |         | 30      | 31      | 0     |         | 60        | 24        |        |
+|                 |        |        |          |       |        |         |         |         |       |         |
+| Hi3516Cv100     | 38     | 39     | 24       |       | 49     | 26      |         |         |       |         |
+| Hi3516Dv100 (1) | 14     | 15     |  3       |       |        |         |         |         |       |         |
+| Hi3516Dv100 (2) | 121    | 120    |  3       |       |        |         |         |         |       |         |
+| Hi3516Cv200     |        |        |          |       |        |         |         |         |       |         |
+| Hi3516Cv300     | 53     | 54     | 64       | 66    | 55     | 1       |         |         | 2     | 63      |
+| Hi3516Ev100     | 53     | 54     | 64       |       |        |         |         |         |       |         |
+| Hi3516Ev200     | 8      | 9      | 15       | 16    | 4, 53  | 55      | 14      | 12      | 0     |         |
+| Hi3516Ev300     | 10     | 11     | 66       | 52    | 4, 67  | 65      | 30      | 31      | 0     |         | 
+| Hi3518Ev200     | 33     | 34     |          |       | 61     | 35      |         |         |       |         |
+| Hi3518Ev300 (3) | 8      |        |  55      |       | 13     |         |         |         | 15    |         | 3       |
 
-`*` HI3516D_N81820, 00014914 firmware
+`(1)` HI3516D_N81820, 00014914 firmware
 
-`**` Hi3516Dv100 for IPC_HI3516D_83H20 00014911
+`(2)` Hi3516Dv100 for IPC_HI3516D_83H20 00014911
+
+`(3)` Hi3518EV300 for 50H20L
 
 ### Zenotech/Videopark