Do Solid State Hard Drives have HP-41C/TI-59 Roots?

[Sylvain Cote]

(07-22-2017 08:46 PM)Matt Agajanian Wrote:  Does the mass storage drives of current laptops have its technology roots in the technologies of software modules from TI-58/59 and HP-41 Series?

As the other said, the main difference is that today Flash drives are used as disk drives equivalent meaning you need to load the content into RAM in order to use the data or execute the program.
The calculator modules memory was directly mapped to the main address space and you were able to directly execute the program at its mapped address.

For the HP-41, several evolution happened, these modules first came as ROM from HP, then came the 3rd party offering: EPROM (MLDL, ZEPROM, etc) / RAM (HePaX) / Flash (Clonix-41) / NVRAM+Flash (NoV-64)
Technically not a module, the 41CL is a main board replacement with lots of SRAM & Flash in it.

(07-22-2017 09:46 PM)Paul Berger (Canada) Wrote:  Even before Flash there was "Solid state" disks that used battery backed SRAM. The later series 80 machines even allowed you to partition off some of the system memory as a RAM disk, but it was volatile.

The HP-75C/D & HP-71B were natively able to split it's RAM memory between storage and system.

Sylvain