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Reviving an HP 660LX in 2019

blog.presidentbeef.com

21–24 of 24 posts

Re: Reviving an HP 660LX in 2019

#21
"Sadly… or not so sadly… the world has moved to HTTPS and to stronger protocols than what lowly Pocket Explorer supports. Thus, most of the web is entirely inaccessible on the device."

This is what proxies are for. Assuming it supports proxies. It would of course be wholly untrustworthy as it's likely vulnerable to a whole host of functional middling exploits.

Re: Reviving an HP 660LX in 2019

#22
post #17

Earlier quoted context omitted.

Thanks, I'll have a dig in the basement then I guess! Is the bootloader code open source?

Indeed it is/was, though I cannot seem to find an original copy on the internet, so I uploaded to the repository[0]. I'm not sure what the requisite toolchain is, though. [0]: https://repository.deuill.org/hp6xx/misc/jshlo-1.1.0-CE-2.11...

Toolchain probably is Visual Studio 6 with the Windows CE SDK.

Re: Reviving an HP 660LX in 2019

#23
post #20
post #13

Earlier quoted context omitted.

HP had internal versions of the Jornada 72[0,8] that used flash instead of mask ROM, they could run the handhelds.org distribution of Linux.

Any chance of having one of said flash boards? Or the design files?

I didn't work for HP and have never seen a flash Jornada 720. I think they were just manufactured with Intel StrataFlash on the main board instead of mask ROM.

The early iPAQ models had Windows CE in flash, so you could easily overwrite it. Back then NetBSD didn't have a flash filesystem so NetBSD/hpcarm just booted from WinCE and ran in RAM.

The handhelds.org distribution was a DEC/Compaq/HP project that initially targeted their Itsy [1] device, then added support for their commercial products as they were released. Later they allowed external contributions too. They build an iPAQ sleeve that contained accelerometers to be able to carry on the UI development from the Itsy, you scrolled the screen by tilting the device. Their Linux kernel did have a fair bit of power management built in.

[1] https://en.wikipedia.org/wiki/Itsy_Pocket_Computer

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