diff --git a/firmware/beta/pieeprom-2020-03-16.bin b/firmware/beta/pieeprom-2020-03-16.bin
new file mode 100644
index 0000000..67a29c7
Binary files /dev/null and b/firmware/beta/pieeprom-2020-03-16.bin differ
diff --git a/firmware/beta/pieeprom-2020-03-19.bin b/firmware/beta/pieeprom-2020-03-19.bin
new file mode 100644
index 0000000..6b13ad0
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diff --git a/firmware/release-notes.md b/firmware/release-notes.md
index 9082a5d..785b0a2 100644
--- a/firmware/release-notes.md
+++ b/firmware/release-notes.md
@@ -1,5 +1,12 @@
 # Raspberry Pi4 bootloader EEPROM release notes
 
+## 2020-03-19 Add 2020-03-19 beta firmware
+    * Minor mods for manufacture test.
+
+## 2020-03-16 Add 2020-03-16 beta firmware
+    * Fix DHCP Option97 GUID generation. The MAC LSB portion was previously
+      always zero.
+
 ## 2020-03-11 Add 2020-03-04 beta firmware recovery
     * Support static IP address configuration. The following fields may be
       set manually using dotted decimal address. If set, then DHCP if skipped.
@@ -7,10 +14,10 @@
        * SUBNET
        * GATEWAY
        * TFTP_IP
-    * If a fatal bootloader occurs then a HDMI diagnostics screen is displayed
-      at VGA/DVI resolution on both monitors for two minutes. This may be
-      disabled by setting DISABLE_HDMI=1 in the EEPROM configuration OR
-      setting display_splash=1 in config.txt.
+    * If a fatal bootloader error occurs then an HDMI diagnostics screen is 
+      displayed at VGA/DVI resolution on both outputs for two minutes. 
+      This may be disabled by setting DISABLE_HDMI=1 in the EEPROM 
+      configuration OR setting display_splash=1 in config.txt.
     * Allow the PXE menu option to match a custom string specified by
       PXE_OPTION43. The default is still "Raspberry Pi Boot"
     * DHCP_OPTION97 - The default GUID has now changed to 
@@ -18,14 +25,16 @@
       automatically identify Raspberry Pi computers. The old behaviour
       is enabled by setting DHCP_OPTION97=0 which simply repeats the serial
       number 4 times.
-    * SELF_UPDATE. If SELF_UPDATE is set to 1 in the EEPROM configration AND
+    * SELF_UPDATE. If SELF_UPDATE is set to 1 in the EEPROM configuration AND
       config.txt contains bootloader_update=1 then the bootloader will looking
       for pieeprom.upd and vl805.bin and apply these firmware files if 
-      they are different to current image before doing a watchdog reset.
+      they are different to the current image, before doing a watchdog reset.
       This should make it easier to update the bootloader for network
-      booted setups because an sd-card is not required for recovery.bin.
+      booted setups because an SD card is not required for recovery.bin.
       As usual, TFTP should only be used on private networks because the
       protocol is not secure against spoofing.
+    * recovery.bin. The beta recovery.bin will now display a green screen
+      via HDMI if successful or red if a failure occurs.
 
 ## 2020-02-27 rpi-eeprom-update & firmware
     * Remove the dependency check for the vl805 utility. This is deprecated