diff --git a/Makefile b/Makefile
index 2cfd605f..faec021a 100644
--- a/Makefile
+++ b/Makefile
@@ -157,6 +157,7 @@ $(foreach DB,$(DATABASES),$(eval $(call database,$(DB))))
 # --------------------------------------
 
 ARTIX_PARTS=artix7_200t
+# ARTIX_PARTS=artix7_100t
 ZYNQ_PARTS=zynq7010
 KINTEX_PARTS=kintex70t
 
@@ -183,6 +184,9 @@ db-extras-artix7-harness:
 		XRAY_PIN_00=V10 XRAY_PIN_01=W10 XRAY_PIN_02=Y11 XRAY_PIN_03=Y12 \
 		XRAY_PART=xc7a200tsbg484-1 XRAY_EQUIV_PART=xc7a200tffg1156-1 \
 		$(MAKE) -C fuzzers roi_only
+#	+source settings/artix7_100t.sh && \
+#		XRAY_PART=xc7a100tcsg324-1 XRAY_EQUIV_PART=xc7a100tfgg676-1 \
+#		$(MAKE) -C fuzzers roi_only
 	+source minitests/roi_harness/basys3-swbut.sh && $(MAKE) -C fuzzers roi_only
 	+source minitests/roi_harness/arty-uart.sh && $(MAKE) -C fuzzers roi_only
 	+source minitests/roi_harness/basys3-swbut.sh && \
diff --git a/settings/artix7_100t.sh b/settings/artix7_100t.sh
new file mode 100644
index 00000000..a89c214d
--- /dev/null
+++ b/settings/artix7_100t.sh
@@ -0,0 +1,24 @@
+export XRAY_DATABASE="artix7"
+export XRAY_PART="xc7a100tfgg676-1"
+export XRAY_ROI_FRAMES="0x00000000:0xffffffff"
+
+# All CLB's in part, all BRAM's in part, all DSP's in part.
+# tcl queries IOB => don't bother adding
+export XRAY_ROI_TILEGRID="RAMB36_X0Y0:RAMB36_X3Y39 RAMB18_X0Y0:RAMB18_X3Y79 DSP48_X0Y0:DSP48_X2Y79 IOB_X0Y0:IOB_X1Y199 SLICE_X0Y0:SLICE_X89Y199"
+
+export XRAY_EXCLUDE_ROI_TILEGRID=""
+
+export XRAY_IOI3_TILES="RIOI3_X57Y101 LIOI3_X0Y101"
+
+# clock pin
+export XRAY_PIN_00="Y22"
+# data pins
+export XRAY_PIN_01="U17"
+export XRAY_PIN_02="V17"
+export XRAY_PIN_03="V16"
+export XRAY_PIN_04="V14"
+export XRAY_PIN_05="U14"
+export XRAY_PIN_06="U16"
+
+source $(dirname ${BASH_SOURCE[0]})/../utils/environment.sh
+