diff --git a/src/devices/bus/ti99/peb/tipi.cpp b/src/devices/bus/ti99/peb/tipi.cpp
index ddaa082ae68..558705af4eb 100644
--- a/src/devices/bus/ti99/peb/tipi.cpp
+++ b/src/devices/bus/ti99/peb/tipi.cpp
@@ -648,7 +648,11 @@ void tipi_card_device::device_add_mconfig(machine_config &config)
 
 ROM_START( tipi )
 	ROM_REGION(0x8000, TI99_DSRROM, 0)
-	ROM_LOAD("tipidsr.u2", 0x0000, 0x8000, CRC(a54e65af) SHA1(f930e4b079a5b6b24dc20f262e9c599d2051b6be))
+	ROM_DEFAULT_BIOS("2023")
+	ROM_SYSTEM_BIOS(0, "2021", "TIPI DSR (2021)" )
+	ROMX_LOAD("tipidsr.u2", 0x0000, 0x8000, CRC(a54e65af) SHA1(f930e4b079a5b6b24dc20f262e9c599d2051b6be), ROM_BIOS(0))
+	ROM_SYSTEM_BIOS(1, "2023", "TIPI DSR (2023)" )
+	ROMX_LOAD("tipidsr_2023.u2", 0x0000, 0x8000, CRC(666f0b63) SHA1(70950e647d5a5102695580064b0bf8d2703586d3), ROM_BIOS(1))
 ROM_END