diff --git a/packages/platforms/ingrasys/x86-64/x86-64-ingrasys-s9180-32x/onlp/builds/src/x86_64_ingrasys_s9180_32x/module/src/platform_lib.h b/packages/platforms/ingrasys/x86-64/x86-64-ingrasys-s9180-32x/onlp/builds/src/x86_64_ingrasys_s9180_32x/module/src/platform_lib.h
index e7bde010..60fb6c5b 100755
--- a/packages/platforms/ingrasys/x86-64/x86-64-ingrasys-s9180-32x/onlp/builds/src/x86_64_ingrasys_s9180_32x/module/src/platform_lib.h
+++ b/packages/platforms/ingrasys/x86-64/x86-64-ingrasys-s9180-32x/onlp/builds/src/x86_64_ingrasys_s9180_32x/module/src/platform_lib.h
@@ -44,6 +44,7 @@
 #define SYS_QSFP_NEAR_TEMP_PREFIX   "/sys/class/hwmon/hwmon6/"
 #define SYS_FAN_PREFIX              "/sys/class/hwmon/hwmon1/device/"
 #define SYS_EEPROM_PATH             "/sys/bus/i2c/devices/0-0055/eeprom"
+#define SYS_EEPROM_SIZE 512
 #define PSU1_EEPROM_PATH            "/sys/bus/i2c/devices/58-0050/eeprom"
 #define PSU2_EEPROM_PATH            "/sys/bus/i2c/devices/57-0050/eeprom"
 #define PSU_STATUS_PRESENT          1
diff --git a/packages/platforms/ingrasys/x86-64/x86-64-ingrasys-s9180-32x/onlp/builds/src/x86_64_ingrasys_s9180_32x/module/src/sysi.c b/packages/platforms/ingrasys/x86-64/x86-64-ingrasys-s9180-32x/onlp/builds/src/x86_64_ingrasys_s9180_32x/module/src/sysi.c
index 08a81c60..2416a533 100755
--- a/packages/platforms/ingrasys/x86-64/x86-64-ingrasys-s9180-32x/onlp/builds/src/x86_64_ingrasys_s9180_32x/module/src/sysi.c
+++ b/packages/platforms/ingrasys/x86-64/x86-64-ingrasys-s9180-32x/onlp/builds/src/x86_64_ingrasys_s9180_32x/module/src/sysi.c
@@ -51,9 +51,9 @@ onlp_sysi_init(void)
 int
 onlp_sysi_onie_data_get(uint8_t** data, int* size)
 {
-    uint8_t* rdata = aim_zmalloc(256);
-    if(onlp_file_read(rdata, 256, size, SYS_EEPROM_PATH) == ONLP_STATUS_OK) {
-        if(*size == 256) {
+    uint8_t* rdata = aim_zmalloc(SYS_EEPROM_SIZE);
+    if(onlp_file_read(rdata, SYS_EEPROM_SIZE, size, SYS_EEPROM_PATH) == ONLP_STATUS_OK) {
+        if(*size == SYS_EEPROM_SIZE) {
             *data = rdata;
             return ONLP_STATUS_OK;
         }
diff --git a/packages/platforms/ingrasys/x86-64/x86-64-ingrasys-s9180-32x/platform-config/r0/src/python/x86_64_ingrasys_s9180_32x_r0/__init__.py b/packages/platforms/ingrasys/x86-64/x86-64-ingrasys-s9180-32x/platform-config/r0/src/python/x86_64_ingrasys_s9180_32x_r0/__init__.py
index 002c1774..966baa04 100755
--- a/packages/platforms/ingrasys/x86-64/x86-64-ingrasys-s9180-32x/platform-config/r0/src/python/x86_64_ingrasys_s9180_32x_r0/__init__.py
+++ b/packages/platforms/ingrasys/x86-64/x86-64-ingrasys-s9180-32x/platform-config/r0/src/python/x86_64_ingrasys_s9180_32x_r0/__init__.py
@@ -1,6 +1,14 @@
 from onl.platform.base import *
 from onl.platform.ingrasys import *
 import os
+import sys
+import subprocess
+
+def msg(s, fatal=False):
+    sys.stderr.write(s)
+    sys.stderr.flush()
+    if fatal:
+        sys.exit(1)
 
 class OnlPlatform_x86_64_ingrasys_s9180_32x_r0(OnlPlatformIngrasys):
     PLATFORM='x86-64-ingrasys-s9180-32x-r0'
@@ -9,6 +17,11 @@ class OnlPlatform_x86_64_ingrasys_s9180_32x_r0(OnlPlatformIngrasys):
 
     def baseconfig(self):
                 
+        # vid to mac vdd value mapping 
+        vdd_val_array=( 0.85,  0.82,  0.77,  0.87,  0.74,  0.84,  0.79,  0.89 )
+        # vid to rov reg value mapping 
+        rov_reg_array=( 0x24,  0x21,  0x1C,  0x26,  0x19, 0x23, 0x1E, 0x28 )
+           
         self.insmod("eeprom_mb")        
         # init SYS EEPROM devices
         self.new_i2c_device('mb_eeprom', 0x55, 0)
@@ -275,6 +288,16 @@ class OnlPlatform_x86_64_ingrasys_s9180_32x_r0(OnlPlatformIngrasys):
         self.new_i2c_device('eeprom', 0x50, 57)
         self.new_i2c_device('eeprom', 0x50, 58)
 
+        # _mac_vdd_init
+        reg_val_str = subprocess.check_output("""i2cget -y 44 0x33 0x42 2>/dev/null""", shell=True)
+        reg_val = int(reg_val_str, 16)
+        vid = reg_val & 0x7
+        mac_vdd_val = vdd_val_array[vid]
+        rov_reg = rov_reg_array[vid]
+        
+        msg("Setting mac vdd %1.2f with rov register value 0x%x\n" % (mac_vdd_val, rov_reg) ) 
+        os.system("i2cset -y -r 55 0x22 0x21 0x%x w" % rov_reg)
+        
         # init SYS LED
         os.system("i2cset -y -r 50 0x75 2 0x01")
         os.system("i2cset -y -r 50 0x75 4 0x00")