diff --git a/lib/ras/host_utils.robot b/lib/ras/host_utils.robot
index 988b655..22bf7c6 100644
--- a/lib/ras/host_utils.robot
+++ b/lib/ras/host_utils.robot
@@ -165,3 +165,17 @@
     OS Execute Command  service opal-prd start
     ${opal_prd_state}=  Is Opal-PRD Service Enabled
     Should Contain  ${opal_prd_state}  enabled
+
+BMC Putscom
+    [Documentation]  Executes putscom command through BMC.
+
+    [Arguments]      ${proc_chip_id}  ${fru}  ${chip_address}
+
+    # Description of argument(s):
+    # proc_chip_id        Processor ID (e.g '0', '8').
+    # fru                 FRU (field replaceable unit) (e.g. '2011400').
+    # chip_address        Chip address (e.g. '4000000000000000').
+
+    ${cmd}=  Catenate  pdbg -d p9w -${proc_chip_id} putscom 0x${fru} 0x${address}
+
+    BMC Execute Command  ${cmd}
diff --git a/tools/ras/probe_cpus.sh b/tools/ras/probe_cpus.sh
index 33710ea..a1fa03c 100755
--- a/tools/ras/probe_cpus.sh
+++ b/tools/ras/probe_cpus.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# Refer to help text in the usage function for details.
 
 CPU_SYS_DIR=/sys/devices/system/cpu/
 NR_CPUS=0
@@ -8,6 +9,8 @@
 
 function usage()
 {
+        echo "This script runs on HOST OS and gives core-id"
+        echo "corresponding to the chip-id."
         echo "usage:"
         echo "        $0 [cpu] [-L]"
         echo
diff --git a/tools/ras/scom_addr_p9.sh b/tools/ras/scom_addr_p9.sh
index e0b8098..a7c5ff0 100755
--- a/tools/ras/scom_addr_p9.sh
+++ b/tools/ras/scom_addr_p9.sh
@@ -1,15 +1,17 @@
 #!/bin/bash
+# Refer to help text in the usage function for details.
 
 function usage()
 {
         echo
-        echo "usage: $0: <scom_addr> <core-id>"
+        echo "This script runs on HOST OS and gives translated SCOM address."
+        echo "usage: $0: <scom_addr> <core_id>"
         echo
         echo "  <scom_addr>:"
-        echo "     SCOM address that needs transaltion."
-        echo "  <core-id>:"
+        echo "     SCOM address that needs translation (e.g. '10010800')."
+        echo "  <core_id>:"
         echo "     Core id as obtained from probe_cpu.sh."
-        echo "     Should be between 0-23."
+        echo "     Should be between 0-23 (e.g. '0')."
         exit 1
 }