diff --git a/configs/learning_gem5/part1/simple.py b/configs/learning_gem5/part1/simple.py
index 69521fe..235165b 100644
--- a/configs/learning_gem5/part1/simple.py
+++ b/configs/learning_gem5/part1/simple.py
@@ -59,8 +59,8 @@
 system.membus = SystemXBar()
 
 # Hook the CPU ports up to the membus
-system.cpu.icache_port = system.membus.slave
-system.cpu.dcache_port = system.membus.slave
+system.cpu.icache_port = system.membus.cpu_side_ports
+system.cpu.dcache_port = system.membus.cpu_side_ports
 
 # create the interrupt controller for the CPU and connect to the membus
 system.cpu.createInterruptController()
@@ -68,18 +68,18 @@
 # For x86 only, make sure the interrupts are connected to the memory
 # Note: these are directly connected to the memory bus and are not cached
 if m5.defines.buildEnv['TARGET_ISA'] == "x86":
-    system.cpu.interrupts[0].pio = system.membus.master
-    system.cpu.interrupts[0].int_master = system.membus.slave
-    system.cpu.interrupts[0].int_slave = system.membus.master
+    system.cpu.interrupts[0].pio = system.membus.mem_side_ports
+    system.cpu.interrupts[0].int_requestor = system.membus.cpu_side_ports
+    system.cpu.interrupts[0].int_responder = system.membus.mem_side_ports
 
 # Create a DDR3 memory controller and connect it to the membus
 system.mem_ctrl = MemCtrl()
 system.mem_ctrl.dram = DDR3_1600_8x8()
 system.mem_ctrl.dram.range = system.mem_ranges[0]
-system.mem_ctrl.port = system.membus.master
+system.mem_ctrl.port = system.membus.mem_side_ports
 
 # Connect the system up to the membus
-system.system_port = system.membus.slave
+system.system_port = system.membus.cpu_side_ports
 
 # get ISA for the binary to run.
 isa = str(m5.defines.buildEnv['TARGET_ISA']).lower()