diff --git a/meta-romulus/recipes-phosphor/chassis/avsbus-control.bb b/meta-romulus/recipes-phosphor/chassis/avsbus-control.bb
new file mode 100644
index 0000000..f13bf11
--- /dev/null
+++ b/meta-romulus/recipes-phosphor/chassis/avsbus-control.bb
@@ -0,0 +1,40 @@
+SUMMARY = "Romulus AVSBus control"
+PR = "r1"
+
+inherit obmc-phosphor-systemd
+inherit obmc-phosphor-license
+
+RDEPENDS_${PN} += "i2c-tools bash"
+
+S = "${WORKDIR}"
+SRC_URI += "file://avsbus-workaround.sh \
+            file://avsbus-enable.sh \
+            file://avsbus-disable.sh"
+
+do_install() {
+        install -d ${D}${bindir}
+        install -m 0755 ${WORKDIR}/avsbus-workaround.sh \
+            ${D}${bindir}/avsbus-workaround.sh
+        install -m 0755 ${WORKDIR}/avsbus-disable.sh \
+            ${D}${bindir}/avsbus-disable.sh
+        install -m 0755 ${WORKDIR}/avsbus-enable.sh \
+            ${D}${bindir}/avsbus-enable.sh
+}
+
+TMPL_EN= "avsbus-enable@.service"
+TMPL_DIS= "avsbus-disable@.service"
+TMPL_WA= "avsbus-workaround@.service"
+INSTFMT_EN= "avsbus-enable@{0}.service"
+INSTFMT_DIS= "avsbus-disable@{0}.service"
+INSTFMT_WA= "avsbus-workaround@{0}.service"
+TGTFMT = "obmc-chassis-start@{0}.target"
+FMT_EN = "../${TMPL_EN}:${TGTFMT}.wants/${INSTFMT_EN}"
+FMT_DIS = "../${TMPL_DIS}:${TGTFMT}.wants/${INSTFMT_DIS}"
+FMT_WA = "../${TMPL_WA}:${TGTFMT}.wants/${INSTFMT_WA}"
+
+SYSTEMD_SERVICE_${PN} += "${TMPL_EN}"
+SYSTEMD_LINK_${PN} += "${@compose_list(d, 'FMT_EN', 'OBMC_CHASSIS_INSTANCES')}"
+SYSTEMD_SERVICE_${PN} += "${TMPL_DIS}"
+SYSTEMD_LINK_${PN} += "${@compose_list(d, 'FMT_DIS', 'OBMC_CHASSIS_INSTANCES')}"
+SYSTEMD_SERVICE_${PN} += "${TMPL_WA}"
+SYSTEMD_LINK_${PN} += "${@compose_list(d, 'FMT_WA', 'OBMC_CHASSIS_INSTANCES')}"
diff --git a/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-disable.sh b/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-disable.sh
new file mode 100644
index 0000000..c46c936
--- /dev/null
+++ b/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-disable.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+i2cset -y 4 0x70 0x01 0x80 b    # VDD 0
+i2cset -y 4 0x70 0x00 0x01 b    # VCS 0  - PAGE set
+i2cset -y 4 0x70 0x01 0x80 b    # VCS 0
+i2cset -y 4 0x70 0x00 0x00 b    # VCS 0  - PAGE reset
+i2cset -y 4 0x73 0x01 0x80 b    # VDN 0
+i2cset -y 5 0x70 0x01 0x80 b    # VDD 1
+i2cset -y 5 0x70 0x00 0x01 b    # VCS 1  - PAGE set
+i2cset -y 5 0x70 0x01 0x80 b    # VCS 1
+i2cset -y 5 0x70 0x00 0x00 b    # VCS 1  - PAGE reset
+i2cset -y 5 0x73 0x01 0x80 b    # VDN 1
diff --git a/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-disable@.service b/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-disable@.service
new file mode 100644
index 0000000..1970f00
--- /dev/null
+++ b/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-disable@.service
@@ -0,0 +1,14 @@
+[Unit]
+Description=Disable the AVS bus on the VRMs
+Wants=avsbus-workaround@%i.service
+After=avsbus-workaround@%i.service
+Before=vrm-control@%i.service
+Conflicts=obmc-chassis-stop@%i.target
+
+[Service]
+ExecStart={bindir}/avsbus-disable.sh
+Type=oneshot
+RemainAfterExit=yes
+
+[Install]
+WantedBy=obmc-chassis-start@%i.target
diff --git a/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-enable.sh b/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-enable.sh
new file mode 100644
index 0000000..d47d638
--- /dev/null
+++ b/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-enable.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+i2cset -y 4 0x70 0x01 0xB0 b    # VDD 0
+i2cset -y 4 0x70 0x00 0x01 b    # VCS 0  - PAGE set
+i2cset -y 4 0x70 0x01 0xB0 b    # VCS 0
+i2cset -y 4 0x70 0x00 0x00 b    # VCS 0  - PAGE reset
+i2cset -y 4 0x73 0x01 0xB0 b    # VDN 0
+i2cset -y 5 0x70 0x01 0xB0 b    # VDD 1
+i2cset -y 5 0x70 0x00 0x01 b    # VCS 1  - PAGE set
+i2cset -y 5 0x70 0x01 0xB0 b    # VCS 1
+i2cset -y 5 0x70 0x00 0x00 b    # VCS 1  - PAGE reset
+i2cset -y 5 0x73 0x01 0xB0 b    # VDN 1
diff --git a/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-enable@.service b/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-enable@.service
new file mode 100644
index 0000000..464287b
--- /dev/null
+++ b/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-enable@.service
@@ -0,0 +1,15 @@
+[Unit]
+Description=Enable the AVS bus on VRMs
+Wants=vrm-control@%i.service
+After=vrm-control@%i.service
+Wants=obmc-power-start-pre@%i.target
+Before=obmc-power-start-pre@%i.target
+Conflicts=obmc-chassis-stop@%i.target
+
+[Service]
+ExecStart={bindir}/avsbus-enable.sh
+Type=oneshot
+RemainAfterExit=yes
+
+[Install]
+WantedBy=obmc-chassis-start@%i.target
diff --git a/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-workaround.sh b/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-workaround.sh
new file mode 100644
index 0000000..75ec8ca
--- /dev/null
+++ b/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-workaround.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+i2cset -y 4 0x28 0x2E 0x23 b # VDD/VCS 0
+i2cset -y 4 0x2B 0x2E 0x23 b # VDN 0
+i2cset -y 5 0x28 0x2E 0x23 b # VDD/VCS 1
+i2cset -y 5 0x2B 0x2E 0x23 b # VDN 1
+
diff --git a/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-workaround@.service b/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-workaround@.service
new file mode 100644
index 0000000..92d1c9f
--- /dev/null
+++ b/meta-romulus/recipes-phosphor/chassis/avsbus-control/avsbus-workaround@.service
@@ -0,0 +1,14 @@
+[Unit]
+Description=Perform AVS bus workaround on VRMs
+Wants=obmc-power-start-pre@%i.target
+Before=obmc-power-start-pre@%i.target
+Before=avsbus-disable@%i.service
+Conflicts=obmc-chassis-stop@%i.target
+
+[Service]
+ExecStart={bindir}/avsbus-workaround.sh
+Type=oneshot
+RemainAfterExit=yes
+
+[Install]
+WantedBy=obmc-chassis-start@%i.target
diff --git a/meta-romulus/recipes-phosphor/chassis/vrm-control.bb b/meta-romulus/recipes-phosphor/chassis/vrm-control.bb
new file mode 100644
index 0000000..b924aae
--- /dev/null
+++ b/meta-romulus/recipes-phosphor/chassis/vrm-control.bb
@@ -0,0 +1,24 @@
+SUMMARY = "Romulus VRM Overrides"
+DESCRIPTION = "Sets Rolumus VRMs to custom voltages"
+PR = "r1"
+
+inherit obmc-phosphor-systemd
+inherit obmc-phosphor-license
+
+RDEPENDS_${PN} += "i2c-tools bash"
+
+S = "${WORKDIR}"
+SRC_URI += "file://vrm-control.sh"
+
+do_install() {
+        install -d ${D}${bindir}
+        install -m 0755 ${WORKDIR}/vrm-control.sh ${D}${bindir}/vrm-control.sh
+}
+
+TMPL = "vrm-control@.service"
+INSTFMT = "vrm-control@{0}.service"
+TGTFMT = "obmc-chassis-start@{0}.target"
+FMT = "../${TMPL}:${TGTFMT}.wants/${INSTFMT}"
+
+SYSTEMD_SERVICE_${PN} += "${TMPL}"
+SYSTEMD_LINK_${PN} += "${@compose_list(d, 'FMT', 'OBMC_CHASSIS_INSTANCES')}"
diff --git a/meta-romulus/recipes-phosphor/chassis/vrm-control/vrm-control.sh b/meta-romulus/recipes-phosphor/chassis/vrm-control/vrm-control.sh
new file mode 100644
index 0000000..9e6507e
--- /dev/null
+++ b/meta-romulus/recipes-phosphor/chassis/vrm-control/vrm-control.sh
@@ -0,0 +1,144 @@
+#!/bin/bash
+# #########################################################
+# Script to run on BMC to read/set vrm voltages
+
+
+# #########################################################
+d2v () {
+# usage:   d2v <decimal volts>
+
+echo $1 | awk '{print $1 * 256 + .5}' | cut -d '.' -f 1
+}
+
+
+# #########################################################
+v2d () {
+# usage:   v2d <hex val>
+
+printf "	%0.3fV" `echo $1 | awk '{print $1 / 256}'`
+}
+
+
+# #########################################################
+i2d () {
+# usage:  i2d <hex val> <current divisor>
+
+# parse current mantisa and exponent
+# format: SEEE ESMM MMMM MMMM
+let e=$1/0x800
+let esign=e/0x10
+let m=$1\&0x07FF
+let msign=m/0x0400
+
+if [ $msign -eq 1 ]
+then
+  # calc ones compliment
+  let m=($m^0x07FF)+1
+  m="-$m"
+fi
+if [ $esign -eq 1 ]
+then
+  # calc ones compliment
+  let e=(e^0x1F)+1
+  e="-$e"
+fi
+printf "	%0.3fA\n" `echo $m $e $2 | awk '{print ($1 * 2^$2) / $3}'`
+}
+
+
+# #########################################################
+rw_vc () {
+# usage:   rw_vc <bus> <addr> <current divisor> <channel> <value>
+
+# select channel
+if [ $4 != "x" ]
+then
+  i2cset -y $1 $2 0 $4 b
+fi
+
+# write new voltage set point
+if [ ! -e $5 ]
+then
+  i2cset -y $1 $2 0x21 `d2v $5` w
+fi
+
+# print voltage set point
+v2d `i2cget -y $1 $2 0x21 w`
+
+# print voltage
+v2d `i2cget -y $1 $2 0x8B w`
+
+# print current
+i2d `i2cget -y $1 $2 0x8C w` $3
+
+# default back to channel 0
+if [ $4 != "x" ]
+then
+  i2cset -y $1 $2 0 0 b
+fi
+}
+
+
+# #########################################################
+# Main
+
+if [ -e $1 ]
+then
+  $0 vdda vcsa vdna vioa vddra vddb vcsb vdnb viob vddrb
+  exit
+fi
+
+if [ $1 == "-h" ]
+then
+  echo "  Usage: vrm [<rail>=[value] [<rail>=[value]] ...]"
+  echo "    rail: vdda vcsa vdna vioa vddra vddb vcsb vdnb viob vddrb"
+  echo "    value: volts"
+  echo
+  echo "    e.g., vrm vioa=1.0 viob=1.0"
+  echo
+  exit
+fi
+
+echo "rail	set	read	current"
+echo "-------	------- ------- -------"
+for param in ${@:1}
+do
+  rail=`echo $param | cut -d'=' -f 1`
+  val=`echo ${param}= | cut -d'=' -f 2`
+  echo -n "$rail"
+  case "$rail" in
+  # FIXME: What's the addresses for Romulus?
+    vdda)
+      rw_vc 4 0x70 2 0 $val
+      ;;
+    vddb)
+      rw_vc 5 0x70 2 0 $val
+      ;;
+    vcsa)
+      rw_vc 4 0x70 4 1 $val
+      ;;
+    vcsb)
+      rw_vc 5 0x70 4 1 $val
+      ;;
+    vdna)
+      rw_vc 4 0x73 2 0 $val
+      ;;
+    vdnb)
+      rw_vc 5 0x73 2 0 $val
+      ;;
+    vioa)
+      rw_vc 4 0x73 2 1 $val
+      ;;
+    viob)
+      rw_vc 5 0x73 2 1 $val
+      ;;
+    vddra)
+      rw_vc 4 0x72 2 1 $val  # This is wrong
+      ;;
+    vddrb)
+      rw_vc 5 0x72 2 1 $val  # This is wrong
+      ;;
+    *)
+      echo "	non-existant"
+  esac
+done
diff --git a/meta-romulus/recipes-phosphor/chassis/vrm-control/vrm-control@.service b/meta-romulus/recipes-phosphor/chassis/vrm-control/vrm-control@.service
new file mode 100644
index 0000000..716c526
--- /dev/null
+++ b/meta-romulus/recipes-phosphor/chassis/vrm-control/vrm-control@.service
@@ -0,0 +1,14 @@
+[Unit]
+Description=Apply voltage overrides to VRMs
+Wants=avsbus-disable@%i.service
+After=avsbus-disable@%i.service
+Before=avsbus-enable@%i.service
+Conflicts=obmc-chassis-stop@%i.target
+
+[Service]
+ExecStart={bindir}/vrm-control.sh vdna=0.9 vddra=1.35 vdnb=0.9 vddrb=1.35
+Type=oneshot
+RemainAfterExit=yes
+
+[Install]
+WantedBy=obmc-chassis-start@%i.target