ZPI

Retrofitting a broken Zeos Notebook 386 with a raspberry pi and custom mainboard

DEV - Development Prototypes

DEV - Development Prototypes

DEV KBD+RTC

Modules

Planned modules for the main board, to replicate all of the functionality of the original device.

Modules

KBD - Keyboard

Duties

Convert the stock keyboard into USB

Parts

References

Keyboard Matrix

@ Connector    Top Down
 B D F H J     2 4 6 8 X 
A C E G I K   1 3 5 7 X X
-----------   -----------
1 3 5 7 X X   A C E G I K
 2 4 6 8 X     B D F H J 
A B C D E F G H I J K
1 ` ~ F1 F3 5 % F5 7 & F10 F8 Rshft LArr -
2 Esc LCtrl F2 F4 Spc F6 F9 F7 \ | DArr -
3 1 ! Fn 3 # 4 $ 6 ^ 8* 9 ( RCtl - UArr -
4 Tab Z LAlt T Ent U 0 ) RAlt + = N Del
5 Fn? LShft E R M I O [ { ' " RArr -
6 Cap 2 @ D F B . > P F11 - _ Num Scl
7 Q W X G Y K ; : H F12 Back Ins
8 A S C V J L / ? , < ] } PrSc Pas
Modules

RTC - Realtime Clock

Duties

Parts

Modules

PWR - Power Supply

Duties

Parts

Modules

CPU - Computer

Duties

Actually handle the computer parts of the computer

Parts

Either (Depending on need for HDMI and PCI)

Modules

DSK - Floppy Disk Drive

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Duties

Map the physical floppy drive to usb

Parts

Drive References

Pin Signal Pin Signal
1 +5V 2 Index
3 +5V 2 Drive Select
5 +5V 2 Disk Change
7 NC 2 Ready
9 HD OUT 2 Motor On
11 NC 2 Direction Select
13 NC 2 Step
15 GND 2 Write Data
17 GND 2 Write Gate
19 NC 2 Track 00
21 NC 2 Write Protect
23 GND 2 Read Data
25 GND 2 Side One Select
Modules

LCD - Built-in Display

Path One: Keep the current LCD

Duties

If recycling the current LCD, will need to ensure proper power is available and do one of two things:

Pros

Cons

Path Two: Use a new LCD

Duties

If using a new off-the-shelf LCD, will need to find something that will fit inside of the current case.

Pros

Cons

Modules

VGA - Video Output

Modules

PCI - Parallel and Serial Ports

Duties

Make available the original type of ports the original device had, in roughly the same positions

These ports consist of:

Parts

While still undecided, some candidates are available.

Modules

MDM - Bluetooth Modem

Duties

Have a way to allow the computer to "dial in" to a network using bluetooth, and a OpenWRT "base station". Optionally, have the board be designed to use a similar connector, layout, and size of the original modem, so that this part can be used by others with compatible boards.

Parts

Modules

USB - USB Hub and Devices