diff --git a/artiq/gateware/targets/sayma_rtm.py b/artiq/gateware/targets/sayma_rtm.py
index 018a4868d..e78dcd216 100755
--- a/artiq/gateware/targets/sayma_rtm.py
+++ b/artiq/gateware/targets/sayma_rtm.py
@@ -196,12 +196,14 @@ class Satellite(_SatelliteBase):
         platform = self.platform
 
         rtio_channels = []
-        phy = ttl_serdes_7series.Output_8X(platform.request("allaki0_rfsw0"))
-        self.submodules += phy
-        rtio_channels.append(rtio.Channel.from_phy(phy))
-        phy = ttl_serdes_7series.Output_8X(platform.request("allaki0_rfsw1"))
-        self.submodules += phy
-        rtio_channels.append(rtio.Channel.from_phy(phy))
+        for i in range(4):
+            phy = ttl_serdes_7series.Output_8X(platform.request("basemod0_rfsw", i))
+            self.submodules += phy
+            rtio_channels.append(rtio.Channel.from_phy(phy))
+        for i in range(4):
+            phy = ttl_serdes_7series.Output_8X(platform.request("basemod1_rfsw", i))
+            self.submodules += phy
+            rtio_channels.append(rtio.Channel.from_phy(phy))
 
         self.add_rtio(rtio_channels)