# \#rfu **URL:** https://forums.digi.com/tag/rfu/898.md [Latest](https://forums.digi.com/latest.md) · [Categories](https://forums.digi.com/categories.md) · [Tags](https://forums.digi.com/tags.md) --- ## [loading BIN files to rabbit 3000 with linux or linux and rabbitlink](https://forums.digi.com/t/loading-bin-files-to-rabbit-3000-with-linux-or-linux-and-rabbitlink/22179)
**Author:** [@oldorange](https://forums.digi.com/u/oldorange)\ **Replies:** 1\ **Last updated:** [February 12, 2021, 11:43pm UTC](https://forums.digi.com/t/loading-bin-files-to-rabbit-3000-with-linux-or-linux-and-rabbitlink/22179 "2021-02-12T23:43:39Z")
Is there a way to load BIN files to a rabbitcore 3000 (RCM3209) using a linux based OS, like RHEL 6 or RHEL 7? Either natively using an RFU GUI for linux, or commandline? Possibly using the Rabbitlink board between the… --- ## [Reviving OpenRabbit (an RFU-like program for Linux)](https://forums.digi.com/t/reviving-openrabbit-an-rfu-like-program-for-linux/21796)
**Author:** [@spth](https://forums.digi.com/u/spth)\ **Replies:** 1\ **Last updated:** [September 22, 2020, 7:42am UTC](https://forums.digi.com/t/reviving-openrabbit-an-rfu-like-program-for-linux/21796 "2020-09-22T07:42:33Z")
Long ago, Lourens Rozema created OpenRabbit, which allows programming Rabbits on Linux. It also has a graphical debugger using ncurses. His goal was to develop for Rabbits on GNU/Linux (using Dynamic C under wine). Rece… --- ## [Rabbit 4000 RFU Error: comport connection failed](https://forums.digi.com/t/rabbit-4000-rfu-error-comport-connection-failed/20453)
**Author:** [@chertert](https://forums.digi.com/u/chertert)\ **Replies:** 5\ **Last updated:** [May 1, 2019, 2:17pm UTC](https://forums.digi.com/t/rabbit-4000-rfu-error-comport-connection-failed/20453 "2019-05-01T14:17:50Z")
I get the error: comport connection failed when trying to configure the port settings, followed by a timeout error when trying to load the binary. The file appears to transfer 3700b before failing. RFU 4.7 Rabbit 400… --- ## [Windows 7 64bit and RFU](https://forums.digi.com/t/windows-7-64bit-and-rfu/12132)
**Author:** [@shuff6565](https://forums.digi.com/u/shuff6565)\ **Replies:** 4\ **Last updated:** [April 4, 2017, 12:50pm UTC](https://forums.digi.com/t/windows-7-64bit-and-rfu/12132 "2017-04-04T12:50:16Z")
I am working with RCM3315 and have been upgrading systems to windows 7 64bit. i have run into issues with older version of the RFU 3.02 and the newest version RFU 4.72. The old seems to lock up at the end of programmin… --- ## [Program won't run when loaded via RFU](https://forums.digi.com/t/program-wont-run-when-loaded-via-rfu/17762)
**Author:** [@sbdPSI](https://forums.digi.com/u/sbdPSI)\ **Replies:** 8\ **Last updated:** [December 28, 2016, 4:07pm UTC](https://forums.digi.com/t/program-wont-run-when-loaded-via-rfu/17762 "2016-12-28T16:07:18Z")
I have a program that I run on an RCM4300 when I compile it to flash using Dynamic C 10.72. If I compile the same program to a bin file and load the bin file with RFU 10.72, the program loads but it will not run. Any i… --- ## [Newer Rabbit is not discovered by Rabbit Field Utility](https://forums.digi.com/t/newer-rabbit-is-not-discovered-by-rabbit-field-utility/16272)
**Author:** [@PMartyniak](https://forums.digi.com/u/PMartyniak)\ **Replies:** 2\ **Last updated:** [March 2, 2016, 12:38am UTC](https://forums.digi.com/t/newer-rabbit-is-not-discovered-by-rabbit-field-utility/16272 "2016-03-02T00:38:05Z")
We have two batches of EG2110 Rabbit Link boards which have the Rabbit 2000 microprocessor. All of our older ones (PCB text: Copyright 2000 Z-World Inc, 175-0251 Rev A) work fine with the Rabbit Field Utility - they are… --- ## [RCM6700 RFU issues](https://forums.digi.com/t/rcm6700-rfu-issues/15826)
**Author:** [@pmurphy](https://forums.digi.com/u/pmurphy)\ **Replies:** 5\ **Last updated:** [January 18, 2016, 12:58pm UTC](https://forums.digi.com/t/rcm6700-rfu-issues/15826 "2016-01-18T12:58:37Z")
I’m currently using a RCM6700 (w/Dynamic C 10.72) in a system and as long as I compile directly to the target my program runs and all is fine. If I compile to a bin file and then use the RFU the program does not appear … --- ## [RFU doesn't display properly in Win7 64 bit](https://forums.digi.com/t/rfu-doesnt-display-properly-in-win7-64-bit/13430)
**Author:** [@donw](https://forums.digi.com/u/donw)\ **Replies:** 8\ **Last updated:** [January 21, 2015, 7:43am UTC](https://forums.digi.com/t/rfu-doesnt-display-properly-in-win7-64-bit/13430 "2015-01-21T07:43:14Z")
We have been running Dynamic C 10.62 and RFU 4.62 on a desktop PC with Windows 7 32 bit. We want to run RFU on a Dell Precision M4800 64 bit laptop. I installed DC 10.62 on the laptop in order to be sure that I got every… --- ## [Can the Rabbit Field Utility be installed independently](https://forums.digi.com/t/can-the-rabbit-field-utility-be-installed-independently/14124)
**Author:** [@DBurghard](https://forums.digi.com/u/DBurghard)\ **Replies:** 3\ **Last updated:** [January 7, 2015, 12:49pm UTC](https://forums.digi.com/t/can-the-rabbit-field-utility-be-installed-independently/14124 "2015-01-07T12:49:54Z")
We have our circuit boards manufactured in India. They want to start loading the programs for us and send us completed products. They only need the RFU and I would like to know if there is a simple way to send only tha… --- ## [checking the CRC (checksum) of a program](https://forums.digi.com/t/checking-the-crc-checksum-of-a-program/12551)
**Author:** [@machbaker](https://forums.digi.com/u/machbaker)\ **Replies:** 2\ **Last updated:** [February 28, 2014, 2:56am UTC](https://forums.digi.com/t/checking-the-crc-checksum-of-a-program/12551 "2014-02-28T02:56:34Z")
UL requires that we verify our software at runtime-- this means calculating the checksum of the section of memory that contains the program, and comparing it to a known value. Trouble is, including this known value any…