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-rw-r--r--configs/dram/sweep.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/configs/dram/sweep.py b/configs/dram/sweep.py
index 06f3dc76d..228a9c64b 100644
--- a/configs/dram/sweep.py
+++ b/configs/dram/sweep.py
@@ -96,6 +96,7 @@ system.mem_ranges = [mem_range]
# force a single channel to match the assumptions in the DRAM traffic
# generator
options.mem_channels = 1
+options.external_memory_system = 0
MemConfig.config_mem(options, system)
# the following assumes that we are using the native DRAM