Hiya,

I've been looking around for a few weeks for some info on this but without any success. I've been using Linux for years as my day to day OS but mainly just for basic day-to-day desktop tasks and some programming. Sometimes I start messing about with config files if I want to get something to work in a particular way (or at all) but that's as advanced as it gets.

I've got a wireless DSI RK-728 keyboard (see: http://www.dsi-keyboards.com/keyboar...p?sn=KB-RK-728) which works fine in Windows XP but not with Fedora Core 11. The light on the reciever flashes to show that it pairs with the keyboard.

/sbin/lsusb gives the following output (the 'Belkin' is the keyboard):
Bus 004 Device 002: ID 1241:f728 Belkin
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

The device is found on boot, as shown in the output of dmesg:
usb 4-2: New USB device found, idVendor=1241, idProduct=f728
usb 4-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 4-2: Product: Wireless 2.4GHz TouchPad Keyboard
usb 4-2: Manufacturer: HOLTEK
usb 4-2: configuration #1 chosen from 1 choice
input: HOLTEK Wireless 2.4GHz TouchPad Keyboard as /devices/pci0000:00/0000:00:04.0/usb4/4-2/4-2:1.0/input/input3
generic-usb 0003:1241:F728.0001: input,hidraw0: USB HID v1.10 Keyboard [HOLTEK Wireless 2.4GHz TouchPad Keyboard] on usb-0000:00:04.0-2/input0
input: HOLTEK Wireless 2.4GHz TouchPad Keyboard as /devices/pci0000:00/0000:00:04.0/usb4/4-2/4-2:1.1/input/input4
generic-usb 0003:1241:F728.0002: input,hidraw1: USB HID v1.10 Mouse [HOLTEK Wireless 2.4GHz TouchPad Keyboard] on usb-0000:00:04.0-2/input1

A Google suggests that 'Holtek' is the brand of the chip in the reciever.

Does anyone have any suggestions on what to try next?

I've never done any work on writing or modifying device drivers before but I don't mind having a go if someone could point me in the right direction to get started. Of course if anyone knows of a wonderful driver that would just work out of the box that would be fantastic! ;-) If all else fails I'm also open to suggestions on an alternative product which is known to be compatible (which would serve me right for just going down to Maplins and buying the cheapest without checking it out...!).

Many Thanks,
Adam.

First, you shouldn't have to compile anything. If the keyboard comes with a dongle (as it appears to), it should just work, the same way any other USB wireless keyboard does. The fact that the Linux system finds it as a USB HID device, and identifies a track pad and keyboard, means that it should be working.

As far as the rest of your hardware...do you have any other Bluetooth dongles/adapters installed? Have you tried booting the system without the keyboard attached, then plugging it in afterwards? And speaking from my experience with my Logitech bluetooth stuff, I had to plug the dongle in, press the connect button, then press the button on the back of the keyboard/mouse, to get things cooking. Now, though, my laptop has built-in bluetooth, and I just ran the connection manager, and paired up the keyboard/mouse, without their dongle.

You don't say what desktop environment you're using, but under KDE, look for the bluetooth manager package. Run that, and it should pop up in your system tray. Right-click on it, select "Device Manager", and follow the prompts. If you want things to be easier, though, try installing the blueman package...MUCH easier. I don't know how to do it in Gnome, though, but blueman works in Gnome too...give it a shot.

1 members found this post helpful.

Hi TBOne,

Many thanks for the reply - it lives!! :-)

The only slightly frustrating thing is that I'm not 100% certain what I did to make it work in the end. In the event of making it work I had hoped to return with a confident post for anyone who had the same issues!

I tried booting up with the adaptor plugged in and putting the adaptor in after booting up but it made no apparent difference. I then installed blueman (which I agree looks like a really neat little app) but neither blueman nor any other bluetooth-related app (in either KDE or Gnome) could find any bluetooth adaptors on the system. Eventually I took the adaptor out then placed it back in and paired it with the keyboard again. It then worked.

I'm not sure why pairing this time worked as I've tried re-pairing it a few times. It may just have been because I just happened to be standing right over the adaptor with the keyboard in my hand so it was right next to it.

Incidentally now it's working it's working well. No noticable lag yet (which I had expected to see) and all the functions are working.

I've been browsing these forums for a long time now and I'm delighted I finally signed up and posted here.

Many thanks again,
Adam.

Any idea how to get a bluetooth keyboard to be recognized by Grub?

No problem, but I didn't do much.

Those devices can be picky...the bluetooth dongle that came with my Logitech keyboards (both the MX1000 and the diNovo), would get cranky at times. Hitting the connect buttons, power offs, etc., would get it going. No ideas. Since I used the built-in bluetooth adapter, not a single issue.

And oreo, no, I don't think you can do it. The Bluetooth services aren't started before the OS is up, so the bluetooth HID stuff isn't there.