diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/obmc/power-supply-monitor/power-supply-monitor-0.conf b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/obmc/power-supply-monitor/power-supply-monitor-0.conf
index d1b3af6..8640e62 100644
--- a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/obmc/power-supply-monitor/power-supply-monitor-0.conf
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/obmc/power-supply-monitor/power-supply-monitor-0.conf
@@ -1,4 +1,6 @@
 DEVPATH=/sys/bus/i2c/devices/3-0069
 INSTANCE=0
 INVENTORY=/system/chassis/powersupply0
-
+NUM_HISTORY_RECORDS=120
+SYNC_GPIO_PATH=/dev/gpiochip0
+SYNC_GPIO_NUM=105
\ No newline at end of file
diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/obmc/power-supply-monitor/power-supply-monitor-1.conf b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/obmc/power-supply-monitor/power-supply-monitor-1.conf
index 11c8a64..b481ef2 100644
--- a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/obmc/power-supply-monitor/power-supply-monitor-1.conf
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/obmc/power-supply-monitor/power-supply-monitor-1.conf
@@ -1,4 +1,6 @@
 DEVPATH=/sys/bus/i2c/devices/3-0068
 INSTANCE=1
 INVENTORY=/system/chassis/powersupply1
-
+NUM_HISTORY_RECORDS=120
+SYNC_GPIO_PATH=/dev/gpiochip0
+SYNC_GPIO_NUM=105
\ No newline at end of file
diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/witherspoon-power-supply-monitor@.service b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/witherspoon-power-supply-monitor@.service
index 5de65df..a4f17e9 100644
--- a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/witherspoon-power-supply-monitor@.service
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/power/witherspoon-pfault-analysis/witherspoon-power-supply-monitor@.service
@@ -8,7 +8,7 @@
 
 [Service]
 EnvironmentFile={envfiledir}/obmc/power-supply-monitor/power-supply-monitor-%i.conf
-ExecStart=/usr/bin/env witherspoon-psu-monitor --path=${{DEVPATH}} --instance=${{INSTANCE}} --inventory=${{INVENTORY}}
+ExecStart=/usr/bin/env witherspoon-psu-monitor --path=${{DEVPATH}} --instance=${{INSTANCE}} --inventory=${{INVENTORY}} --num-history-records=${{NUM_HISTORY_RECORDS}} --sync-gpio-path=${{SYNC_GPIO_PATH}} --sync-gpio-num=${{SYNC_GPIO_NUM}}
 SyslogIdentifier=witherspoon-psu-monitor
 
 [Install]