HP 41CL

Everything about 41C 41CV and 41CX Hardware

HP 41CL

Postby jotne » Fri Oct 07, 2011 7:40 pm

The new replacement CPU for the older HP 41C/CV/CX
This gives you a 41 with lots of more power, more function +++

http://systemyde.com/hp41/index.html

http://www.youtube.com/user/geoffqf#p/a/u/1/15Y9TuF-YlY
http://www.youtube.com/user/geoffqf#p/a/u/0/ZK7VPqdyx2U

The 41CL takes advantage of modern technology to significantly add to the capabilities of
the 41C system. In particular, the 41CL provides the following features:
• All features of an HP-41CX except for the Time Module. CX Time functions (the software)
are included, but a Time module plugged into a Port is required for full timer
functionality.
• Full 600-register Extended Memory is built in.
• Over 120 plug-in module images are built in. Functions are included to allow these
images to be virtually plugged into a calculator Port and unplugged from a calculator
Port.
• Turbo mode, which allows the calculator to run at up to 50X normal speed. Actual values
available are 2X, 5X, 10X, 20X and 50X.
• 48 empty pages (4K in length) of Flash memory are available for non-volatile storage.
• 58 pages (4K in length) of RAM are available. All RAM is continuously powered.
• A sophisticated Memory Management Unit (MMU) allows full access to the large
physical memory.
• Full bus compatibility for the Ports, allowing the use of any peripheral designed for the
HP-41 system.
• A full-duplex serial port is available when the optional serial connector is used. This
optional connector uses a 2.5mm stereo jack mounted in a blank port cover.

With these features, however, come some drawbacks:
• Power consumption is higher, at least while the calculator is off or in light sleep
(between keystrokes). Where the original HP-41 required about 10uA while off, the
41CL requires about 110uA. This will lead to reduced battery life.
HP41CX with CCD module . HP41CV . HP42S + many other HP calculators
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