diff --git a/Tools/PC/oem-qa-checkbox-installer/conf/plainbox.conf b/Tools/PC/oem-qa-checkbox-installer/conf/plainbox.conf
index 84ab738..ec387ae 100644
--- a/Tools/PC/oem-qa-checkbox-installer/conf/plainbox.conf
+++ b/Tools/PC/oem-qa-checkbox-installer/conf/plainbox.conf
@@ -20,3 +20,10 @@ TEST_TARGET_IPERF = 10.102.182.100,10.102.182.137,10.102.182.48,10.102.183.36,10
 STRESS_BOOT_ITERATIONS = 30
 STRESS_BOOT_WAKEUP_DELAY = 100
 STRESS_BOOT_WAIT_DELAY = 60
+STRESS_S3_ITERATIONS = 30
+STRESS_SUSPEND_REBOOT_ITERATIONS = 3
+STRESS_S3_SLEEP_DELAY = 60
+STRESS_S3_WAIT_DELAY = 60
+STRESS_SUSPEND_SLEEP_THRESHOLD = 10
+STRESS_SUSPEND_RESUME_THRESHOLD = 5
+