[chronojump] updated howto-bootloader-and-firmware.txt

[Xavier de Blas <xaviblas src gnome org>]

commit c9963b1c83bfeb65cbd62667c6c9dc9f4b8a7f8b
Author: Xavier de Blas <xaviblas gmail com>
Date:   Fri Mar 21 14:37:36 2014 +0100

    updated howto-bootloader-and-firmware.txt

 .../howto-bootloader-and-firmware.txt              |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/chronopic-firmware/howto-bootloader-and-firmware.txt 
b/chronopic-firmware/howto-bootloader-and-firmware.txt
index 8202167..5843162 100644
--- a/chronopic-firmware/howto-bootloader-and-firmware.txt
+++ b/chronopic-firmware/howto-bootloader-and-firmware.txt
@@ -85,6 +85,9 @@ gravar i després gravar: paraula 3F39
 
 chronopic-firmwarecord
 
+on some Linux machines, doesn't work, then use PIC_downloader. eg.
+./PIC_downloader ledp.hex -P/dev/ttyUSB0
+
 
 
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