 |
|
Two small tablets, one machine
Small PCs: Netbook: Mini PC: PC Stick: TV-Box: Tablet:
|
|
Why a dual-screen device? This machine, the CDC 6600, was the ultimate paragon:
(Source: Control Data Corporation) Here are two operator consoles/service processors for mainframes, developed in the eighties:
The machines have been documented by courtesy of the Heinz Nixdorf MuseumsForum, Paderborn. A small dual-screen / dual processor apparatus, belonging to a series of microcontroller modules developed from 2012 on.
For an overview, see here ... With inexpensive 7" tablets, it was tempting to try again something similar:
All right, it is not a true dual-screen machine. The 19" 3 U subrack houses two independent 7" Windows tablets connected to a LAN switch, a USB switch, and a common power supply module. Additionally, each tablet has a USB hub and an R2S-232 interface.
Modules, hubs, and interfaces:
Download this block diagram as PDF. The principal power supply cabling:
Download this block diagram as PDF. A first look inside:
|
|
|
|
|
