diff --git a/tinygrad/runtime/support/am/ip.py b/tinygrad/runtime/support/am/ip.py
index d068b1c777..eeefca2202 100644
--- a/tinygrad/runtime/support/am/ip.py
+++ b/tinygrad/runtime/support/am/ip.py
@@ -264,7 +264,8 @@ class AM_GFX(AM_IP):
       self.adev.regGRBM_CNTL.update(read_timeout=0xff, inst=xcc)
       for i in range(0, 16):
         self._grbm_select(vmid=i, inst=xcc)
-        self.adev.regSH_MEM_CONFIG.write(**({'initial_inst_prefetch':3} if self.adev.ip_ver[am.GC_HWIP][0]>=10 else {'retry_disable':1, 'f8_mode':1}),
+        self.adev.regSH_MEM_CONFIG.write(**({'initial_inst_prefetch':3} if self.adev.ip_ver[am.GC_HWIP][0]>=10 else {'retry_disable':1}),
+          **({'f8_mode':1} if self.adev.ip_ver[am.GC_HWIP][:2]==(9,4) else {}),
           address_mode=self.adev.soc.module.SH_MEM_ADDRESS_MODE_64, alignment_mode=self.adev.soc.module.SH_MEM_ALIGNMENT_MODE_UNALIGNED, inst=xcc)
 
         # Configure apertures: