diff --git a/Source/Doc/SystemGuide.md b/Source/Doc/SystemGuide.md
index 08766843..a2b6089e 100644
--- a/Source/Doc/SystemGuide.md
+++ b/Source/Doc/SystemGuide.md
@@ -1963,6 +1963,7 @@ The hardware Platform (L) is identified as follows:
 | PLT_MK4       |5       | MARK IV                                 |
 | PLT_UNA       |6       | UNA BIOS                                |
 | PLT_RCZ80     |7       | RCBUS W/ Z80                            |
+| PLT_RCEZ80    |7       | RCBUS W/ eZ80                           |
 | PLT_RCZ180    |8       | RCBUS W/ Z180                           |
 | PLT_EZZ80     |9       | EASY/TINY Z80                           |
 | PLT_SCZ180    |10      | RCBUS SC126, SC130, SC131, SC140        |
diff --git a/Source/HBIOS/cfg_rcez80.asm b/Source/HBIOS/cfg_rcez80.asm
index 26ea9cb7..1304166b 100644
--- a/Source/HBIOS/cfg_rcez80.asm
+++ b/Source/HBIOS/cfg_rcez80.asm
@@ -15,7 +15,7 @@
 ;
 #INCLUDE "hbios.inc"
 ;
-PLATFORM	.EQU	PLT_RCZ80	; PLT_[SBC|ZETA|ZETA2|N8|MK4|UNA|RCZ80|RCZ180|EZZ80|RCEZ80|SCZ180|DYNO|RCZ280|MBC|RPH|Z80RETRO|S100|DUO|HEATH|MON]
+PLATFORM	.EQU	PLT_RCEZ80	; PLT_[SBC|ZETA|ZETA2|N8|MK4|UNA|RCZ80|RCZ180|EZZ80|RCEZ80|SCZ180|DYNO|RCZ280|MBC|RPH|Z80RETRO|S100|DUO|HEATH|MON]
 CPUFAM		.EQU	CPU_EZ80	; CPU FAMILY: CPU_[Z80|Z180|Z280|EZ80]
 EZ80IOBASE	.EQU	$FF		; EZ80 I/O BASE ADDRESS FOR EXTERNAL IO
 BIOS		.EQU	BIOS_WBW	; HARDWARE BIOS: BIOS_[WBW|UNA]
diff --git a/Source/HBIOS/hbios.inc b/Source/HBIOS/hbios.inc
index 05219ae1..2cabc656 100644
--- a/Source/HBIOS/hbios.inc
+++ b/Source/HBIOS/hbios.inc
@@ -158,6 +158,7 @@ PLT_EPITX	.EQU	19		; Z180 MINI-ITX
 PLT_MON		.EQU	20		; MONSPUTER
 PLT_STDZ180	.EQU	21		; GENESIS Z180 SYSTEM
 PLT_NABU	.EQU	22		; NABU PERSONAL COMPUTER
+PLT_RCEZ80	.EQU	23		; RCBUS W/ eZ80
 ;
 ; HBIOS GLOBAL ERROR RETURN VALUES
 ;