From 910265d670d01c740191a7e810d6fcb827a5a23a Mon Sep 17 00:00:00 2001
From: OBattler <oubattler@gmail.com>
Date: Thu, 1 Dec 2022 19:02:58 +0100
Subject: [PATCH] Initialize the BusLogic geometry register to have bit 4 set,
 fixes older versions of BTDOSM.SYS/BTCDROM.SYS.

---
 src/scsi/scsi_x54x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/scsi/scsi_x54x.c b/src/scsi/scsi_x54x.c
index 6cac77e02..45854a0ba 100644
--- a/src/scsi/scsi_x54x.c
+++ b/src/scsi/scsi_x54x.c
@@ -1402,7 +1402,7 @@ x54x_reset(x54x_t *dev)
 
     clear_irq(dev);
     if (dev->flags & X54X_INT_GEOM_WRITABLE)
-        dev->Geometry = 0x80;
+        dev->Geometry = 0x90;
     else
         dev->Geometry = 0x00;
     dev->callback_phase     = 0;