From a6599a60b2f246c6e39f6969fabc481cbe6ee6c8 Mon Sep 17 00:00:00 2001
From: OBattler <oubattler@gmail.com>
Date: Wed, 30 Apr 2025 18:46:39 +0200
Subject: [PATCH] TriGem 486G: Initialize NVR with 0x00's instead of 0xFF's,
 fixes the cache error on empty NVR.

---
 src/machine/m_at_386dx_486.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/machine/m_at_386dx_486.c b/src/machine/m_at_386dx_486.c
index ef30a5aa4..264111a96 100644
--- a/src/machine/m_at_386dx_486.c
+++ b/src/machine/m_at_386dx_486.c
@@ -2283,7 +2283,10 @@ machine_at_tg486gp_init(const machine_t *model)
     if (bios_only || !ret)
         return ret;
 
-    machine_at_common_ide_init(model);
+    machine_at_common_init_ex(model, 2);
+    device_add(&amstrad_megapc_nvr_device);
+
+    device_add(&ide_isa_device);
 
     device_add(&ali1429g_device);