diff --git a/sources/dma.c b/sources/dma.c
index c4507e8..e354d37 100644
--- a/sources/dma.c
+++ b/sources/dma.c
@@ -52,28 +52,24 @@ void *dma_memcpy(void *dst, void *src, size_t n)
 	d = dst;
 	s = src;
 
-//#ifdef _NOT_USED_
 	start = MCF_SLT0_SCNT;
 	/* first check if we can do a "traditional" memcpy() to the destination and measure speed */
 
 	memcpy(d, s, n);
 
-//#endif /* _NOT_USED_ */
-
 	end = MCF_SLT0_SCNT;
 
 	time = (start - end) / 132 / 1000;
-	xprintf("memcpy() took %d ms (%d.%d Mbytes/second)\r\n",
-			time, n / time / 1000, n / time % 1000);
+	xprintf("memcpy() took %d ms (%f Mbytes/second)\r\n",
+			time, n / (float) time / 1000.0);
 	flush_and_invalidate_caches();
-//#endif
 
 	xprintf("clear target area after memcpy():");
 	start = MCF_SLT0_SCNT;
 	bzero(dst, n);
 	end = MCF_SLT0_SCNT;
 	time = (start - end) / 132;
-	xprintf("bzero() took %d ms (%d.%d Mbytes/second)\r\n", time, n / time / 1000, n / time % 1000);
+	xprintf("bzero() took %d ms (%f Mbytes/second)\r\n", time, n / (float) time / 1000.0);
 
 	xprintf(" finished, flush caches: ");
 	flush_and_invalidate_caches();
@@ -89,6 +85,7 @@ void *dma_memcpy(void *dst, void *src, size_t n)
 	do
 	{
 		ret = MCD_dmaStatus(1);
+#ifdef _NOT_USED_ /* suppress annoying printout for now */
 		switch (ret)
 		{
 		case MCD_NO_DMA:
@@ -119,12 +116,13 @@ void *dma_memcpy(void *dst, void *src, size_t n)
 			xprintf("unknown DMA status %d\r\n", ret);
 			break;
 		}
+#endif
 	} while (ret != MCD_DONE);
 
 	end = MCF_SLT0_SCNT;
 	time = (start - end) / 132 / 1000;
-	xprintf("start = %d, end = %d, time = %d\r\n", start, end, time);
-	//xprintf("took %d ms (%d.%d Mbytes/second)\r\n",	time, n / time / 1000, n / time % 1000);
+	//xprintf("start = %d, end = %d, time = %d\r\n", start, end, time);
+	xprintf("took %d ms (%f Mbytes/second)\r\n",	time, n / (float) time / 1000.0);
 
 	/*
 	 * verify if copy succeeded
@@ -154,7 +152,7 @@ void *dma_memcpy(void *dst, void *src, size_t n)
 		end = MCF_SLT0_SCNT;
 
 		time = (start - end) / 132 / 1000;
-		xprintf("took %d ms (%d.%d Mbytes/second)\r\n",	time, n / time / 1000, n / time % 1000);
+		xprintf("took %d ms (%f Mbytes/second)\r\n",	time, n / (float) time / 1000.0);
 
 	}
 
diff --git a/sources/pci.c b/sources/pci.c
index ec637db..e2db5fd 100644
--- a/sources/pci.c
+++ b/sources/pci.c
@@ -87,7 +87,7 @@ void pci_scan(void)
 	xprintf("PCI bus scan\r\n");
 	for (bus = 0; bus < 1; bus++)
 	{
-		for (slot = 0; slot < 16; slot++)
+		for (slot = 0; slot < 32; slot++)
 		{
 			for (function = 0; function < 8; function++)
 			{
diff --git a/sources/xhdi_sd.c b/sources/xhdi_sd.c
index 965dd0a..a16567f 100644
--- a/sources/xhdi_sd.c
+++ b/sources/xhdi_sd.c
@@ -195,7 +195,7 @@ uint32_t xhdi_get_capacity(uint16_t major, uint16_t minor, uint32_t *blocks, uin
 
 				return ERROR;
 			}
-			xprintf("%s:%d: determined sector count to %ld\r\n", __FILE__, __LINE__, *blocks);
+			//xprintf("%s:%d: determined sector count to %ld\r\n", __FILE__, __LINE__, *blocks);
 		}
 
 		if (bs != 0)
@@ -206,7 +206,7 @@ uint32_t xhdi_get_capacity(uint16_t major, uint16_t minor, uint32_t *blocks, uin
 
 				return ERROR;
 			}
-			xprintf("%s:%d: determined sector size to %ld\r\n", __FILE__, __LINE__, *bs);
+			//xprintf("%s:%d: determined sector size to %ld\r\n", __FILE__, __LINE__, *bs);
 		}
 		return E_OK;
 	}