diff --git a/src/lib/formats/flex_dsk.c b/src/lib/formats/flex_dsk.c
index 69522315af1..e8f1c59b332 100644
--- a/src/lib/formats/flex_dsk.c
+++ b/src/lib/formats/flex_dsk.c
@@ -42,7 +42,7 @@ bool flex_format::load(io_generic *io, UINT32 form_factor, floppy_image *image)
 {
 	int spt = info.last_sec;
 	int bps = 256;
-	int cell_count = 100000;
+	int cell_count = 50000;
 	int offset = 0;
 	int head_num = 1;
 	int total_tracks = info.last_trk+1;
@@ -56,6 +56,8 @@ bool flex_format::load(io_generic *io, UINT32 form_factor, floppy_image *image)
 		double_sided = true;
 	if(total_tracks == 80 && spt == 72)  // 1.44MB
 		double_sided = true;
+	if(spt >= 20)
+		double_sided = true;
 
 	if(double_sided)
 	{
diff --git a/src/mess/drivers/gimix.c b/src/mess/drivers/gimix.c
index fcee328af6c..4a7b51a653d 100644
--- a/src/mess/drivers/gimix.c
+++ b/src/mess/drivers/gimix.c
@@ -542,7 +542,7 @@ static MACHINE_CONFIG_START( gimix, gimix_state )
 	MCFG_PTM6840_IRQ_CB(WRITELINE(gimix_state,irq_w))  // PCB pictures show both the RTC and timer set to generate IRQs (are jumper configurable)
 
 	/* floppy disks */
-	MCFG_FD1797x_ADD("fdc",XTAL_8MHz / 4)
+	MCFG_FD1797x_ADD("fdc",XTAL_8MHz / 8)
 	MCFG_WD_FDC_INTRQ_CALLBACK(WRITELINE(gimix_state,fdc_irq_w))
 	MCFG_WD_FDC_DRQ_CALLBACK(WRITELINE(gimix_state,fdc_drq_w))
 	MCFG_WD_FDC_FORCE_READY