diff --git a/usbboot/README b/usbboot/README
index 4972748..59c83a6 100644
--- a/usbboot/README
+++ b/usbboot/README
@@ -30,7 +30,7 @@ Build and Installation:
   make install
     *) make install will install the 'usbboot' binary to /usr/bin/usbboot
        and the stage 1 and 2 bootloaders as well as usbboot.cfg configuration
-       file into /usr/share/xburst-tools
+       file into /etc/xburst-tools
 
 Configuration file: /usr/share/xburst-tools/usbboot.cfg
 
diff --git a/usbboot/src/cmd.c b/usbboot/src/cmd.c
index 7e95946..8e6ccab 100644
--- a/usbboot/src/cmd.c
+++ b/usbboot/src/cmd.c
@@ -450,6 +450,9 @@ int nand_program_file(struct nand_in *nand_in,
 		transfer_size = (hand.nand_ppb * hand.nand_ps);
 	else
 		transfer_size = (hand.nand_ppb * (hand.nand_ps + hand.nand_os));
+	printf("nand_ppb: %d, nand_ps: %d, nand_os: %d\n", hand.nand_ppb, 
+		hand.nand_ps, hand.nand_os);
+
 	m = flen / transfer_size;
 	j = flen % transfer_size;
 	printf(" Size to send %d, transfer_size %d\n", flen, transfer_size);
diff --git a/usbboot/src/ingenic_cfg.c b/usbboot/src/ingenic_cfg.c
index cb6fd72..30716f2 100644
--- a/usbboot/src/ingenic_cfg.c
+++ b/usbboot/src/ingenic_cfg.c
@@ -126,11 +126,13 @@ int check_dump_cfg(struct hand *hand)
 		total_size / 0x100000, 2 * (hand->fw_args.bank_num + 1), 
 	       16 * (2 - hand->fw_args.bus_width));
 
-	printf("Nand page size %d, "
+	printf("Nand page per block %d, "
+	       "Nand page size %d, "
 	       "ECC offset in OOB %d, "
 	       "bad block offset in OOB %d, "
 	       "bad block page %d, "
 	       "use %d plane mode\n",
+	       hand->nand_ppb,
 	       hand->nand_ps,
 	       hand->nand_eccpos,
 	       hand->nand_bbpos,
diff --git a/usbboot/xburst_stage2/boothandler.c b/usbboot/xburst_stage2/boothandler.c
index 2b30274..b166b6a 100644
--- a/usbboot/xburst_stage2/boothandler.c
+++ b/usbboot/xburst_stage2/boothandler.c
@@ -315,14 +315,21 @@ void Borad_Init()
 		nand_init_4740(Hand.nand_bw,Hand.nand_rc,Hand.nand_ps,Hand.nand_ppb,
 		       Hand.nand_bbpage,Hand.nand_bbpos,Hand.nand_force_erase,Hand.nand_eccpos);
 	
-		nand_program=nand_program_4740;
-		nand_erase  =nand_erase_4740;
-		nand_read   =nand_read_4740;
-		nand_read_oob=nand_read_oob_4740;
-		nand_read_raw=nand_read_raw_4740;
-		nand_query  = nand_query_4740;
+		dprintf("\nnand_ps, nand_ppb, nand_bbpage, nand_bbpos, nand_eccpos\n");
+		serial_put_hex(Hand.nand_ps);
+		serial_put_hex(Hand.nand_ppb);
+		serial_put_hex(Hand.nand_bbpage);
+		serial_put_hex(Hand.nand_bbpos);
+		serial_put_hex(Hand.nand_eccpos);
+
+		nand_program = nand_program_4740;
+		nand_erase = nand_erase_4740;
+		nand_read = nand_read_4740;
+		nand_read_oob = nand_read_oob_4740;
+		nand_read_raw = nand_read_raw_4740;
+		nand_query = nand_query_4740;
 		nand_enable = nand_enable_4740;
-		nand_disable= nand_disable_4740;
+		nand_disable = nand_disable_4740;
 		nand_mark_bad = nand_mark_bad_4740;
 	break;
 	case 0x4750:
@@ -331,14 +338,14 @@ void Borad_Init()
 			       Hand.nand_ppb, Hand.nand_bchbit, Hand.nand_eccpos,
 			       Hand.nand_bbpos, Hand.nand_bbpage, Hand.nand_force_erase);
 
-		nand_program=nand_program_4750;
-		nand_erase  =nand_erase_4750;
-		nand_read   =nand_read_4750;
-		nand_read_oob=nand_read_oob_4750;
-		nand_read_raw=nand_read_raw_4750;
-		nand_query  = nand_query_4750;
+		nand_program = nand_program_4750;
+		nand_erase = nand_erase_4750;
+		nand_read = nand_read_4750;
+		nand_read_oob = nand_read_oob_4750;
+		nand_read_raw = nand_read_raw_4750;
+		nand_query = nand_query_4750;
 		nand_enable = nand_enable_4750;
-		nand_disable= nand_disable_4750;
+		nand_disable = nand_disable_4750;
 		nand_mark_bad = nand_mark_bad_4750;
 	break;
 	default: