diff --git a/src/commands.rs b/src/commands.rs
index 5d415c7..1b59358 100644
--- a/src/commands.rs
+++ b/src/commands.rs
@@ -268,19 +268,20 @@ impl fmt::Debug for ChipUID {
 /// Device reset (0x0b, _)
 #[derive(Debug)]
 pub enum Reset {
-    /// wlink_quitreset
-    ResetAndRun, // the most common reset
+    /// wlink_quitreset, reset and run
+    Soft, // the most common reset
     Normal,
-    Normal2,
+    /// wlink_chip_reset, chip reset
+    Chip,
 }
 impl Command for Reset {
     type Response = ();
     const COMMAND_ID: u8 = 0x0b;
     fn payload(&self) -> Vec<u8> {
         match self {
-            Reset::ResetAndRun => vec![0x01],
+            Reset::Soft => vec![0x01],
             Reset::Normal => vec![0x03],
-            Reset::Normal2 => vec![0x02],
+            Reset::Chip => vec![0x02],
         }
     }
 }
diff --git a/src/commands/control.rs b/src/commands/control.rs
index c173332..0c95fcd 100644
--- a/src/commands/control.rs
+++ b/src/commands/control.rs
@@ -72,7 +72,6 @@ pub struct AttachChipResponse {
     pub riscvchip: u8,
     pub chip_id: u32,
 }
-impl AttachChipResponse {}
 impl Response for AttachChipResponse {
     fn from_payload(bytes: &[u8]) -> Result<Self> {
         if bytes.len() != 5 {
@@ -198,3 +197,23 @@ impl Command for SetSDIPrint {
         }
     }
 }
+
+/// Set RST pin
+#[derive(Debug)]
+pub enum SetRSTPin {
+    Low,
+    High,
+    Floating,
+}
+impl Command for SetRSTPin {
+    type Response = ();
+    const COMMAND_ID: u8 = 0x0d;
+    fn payload(&self) -> Vec<u8> {
+        let subcmd = match *self {
+            SetRSTPin::Low => 0x13,
+            SetRSTPin::High => 0x14,
+            SetRSTPin::Floating => 0x15,
+        };
+        vec![0x0e, subcmd]
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
index 223bbce..852865b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -34,10 +34,9 @@ impl WchLinkVariant {
     pub fn try_from_u8(value: u8) -> Result<Self> {
         match value {
             1 => Ok(Self::Ch549),
-            2 => Ok(Self::ECh32v305),
+            2 | 0x12 => Ok(Self::ECh32v305),
             3 => Ok(Self::SCh32v203),
-            5 => Ok(Self::WCh32v208),
-            0x12 => Ok(Self::ECh32v305), // ??
+            5 | 0x85 => Ok(Self::WCh32v208),
             _ => Err(Error::UnknownLinkVariant(value)),
         }
     }
@@ -181,9 +180,7 @@ impl RiscvChip {
 
     pub fn reset_command(&self) -> crate::commands::Reset {
         match self {
-            RiscvChip::CH57X | RiscvChip::CH58X | RiscvChip::CH59X => {
-                crate::commands::Reset::Normal2
-            }
+            RiscvChip::CH57X | RiscvChip::CH58X | RiscvChip::CH59X => crate::commands::Reset::Chip,
             _ => crate::commands::Reset::Normal,
         }
     }