DEC VAX 4000 Boards

Spurtikus
My DEC VAX 4000 boards All boards seem to come from a VAX 4000-300 machine. See http://gunkies.org/wiki/VAX_4000_series ebay seller text DEC VAX 4000-300 Boards CPU KA670 L4000 in Module Plastic Case (99-08536) 2x MS670-CA L4001-CA und 1x64MB Clearpoint Memory KA670 CPU board 22 Bit QBus board. CPU clocked with 143 Mhz. CPU chip is called REX-520 There is a FPU on board called CD523. Built-in Ethernet and 2xDSSI (disk) controllers

DEC PDP11 Rebuild

Spurtikus
This document contains information I have gathered when trying to bring some DEC PDP11 boards together to have a “working” system. Summary of boards I have collected some boards in the last years. CPU boards: M8186 LSI-11/23 CPU (C Revision, so capable of 22 bit addressing) RAM boards: M8044 MSV11-DD 32K RAM, 18Bit M8067 512KB RAM, 22 Bit Serial boards: M8028 DLV-11F serial board M3104 serial board Multi Purpose Boards:

DEC Digital OBA11-MF

Spurtikus
DEC Digital OBA11-MF bought in poor condition from ebay. It has no case, has some physical damage. Sold of course as defective. All together this seems to be a kind of “embedded” PDP 11/03 with only a bare minimum of boards and no intention for extending it later on. Maybe used as a control unit in some chemical plant or whatever. here someone has a picture of another device like this.

PDP 11 parts

Spurtikus
I own some old PDP11 parts. I try to complete these to have a minimal set of cards to boot the PDP11. This is seen as a long term task and may last several years… Activity was started in February 2017. In January 2021, I have spent 91+161+3*90 = 522€ on that madness, without any results so far :-) . In 2022, I could buy a basic PDP unit, without case and in bad condition.

Lötstation ZD-917

Spurtikus
Einfache Löt- und Entlötstation. Gekauft vor ungefähr 10 Jahren. Funktioniert sehr gut. 03/2022 wurde der Lötkolben nicht mehr warm. Vermutlich Heizelement defekt. Das Gerät zeigt direkt nach dem Einschalten kurz “u01” an, evtl. eine Firmwarenummer. Am Lötkolben-Stecker sind 4 Kontakte, zwei für den Thermofühler (rund 2,4MOhm bei 25°C) und zwei für das Heizelement. Ich messe am defekten Kolben 2,2 Ohm. Meine Vermutung ist, dass das Element einen inneren Kurzschluß hat. Es handelt sich um einen 24 Volt / 60 Watt Lötkolben.

Teardown of a Multimedia Color Monitor TM-7003A 7 Inch

Spurtikus
This monitor is from automotive area. On the case, we find the name Multimedia Color Monitor TM-7003A. I saw that this display was sold under many different names and brands. Panel: Hannstar 721q310c35-a0, 7 Zoll, 480x234, mit Touchscreen 26 pin. Not a parallel RGB input display. This display has three pins for R,G,B analogue input and several inputs for horizontal and vertical syncronization. I would say this is something like old VGA data.

Teardown of a 9 Inch automotive monitor with Toshiba TFT panel

Spurtikus
This monitor is from automotive area. Panel: Toshiba LTA090B400F 9 Zoll, 800x480, 6 Bit RGB (parallel RGB) 40 pin, 0,5mm pitch connector Front. I already had opened it and all the switches fell out. Back Back cover removed. We see at the left the custom controller for the monitor, at the right the HV section fort backlight. At the bottom a small PCB can be seen for switches and A/V connectors.

Teardown of a Navilock 8 Inch touchscreen panel

Spurtikus
This monitor is from automotive area. It has a touchscreen, and a low resolution of 640x480, I suppose it is an older one, maybe more than 10 years old. Panel: Sharp LQ080V30DG01 8 Inch, 640x480, 6 Bit RGB (parallel RGB) 32 pin 0,5mm pitch connector Front Back Back cover removed Panel connector Monitor PCB removed. We see the pure panel with its controller. Panel controller. Touchscreen controller removed from main PCB

Converting a DEC Keyboard LK401 to an USB Keyboard

Spurtikus
DEC Keyboard LK401 has serial interface, 4800 Baud, 8N1. See more information on the keyboard hardware here. The keyboard is solid and heavy, has superb tactile keys and is of the old 80ies quality. That you simply cannot order on Amazon or so. For a long time, the keyboard was supported by the Linux kernel, but this time is gone. My idea: connect the keyboard to a microcontroller that can connect to a PC via USB.

Arduino MKR Vidor 4000

Spurtikus
Hardware The Arduino MKR Vidor 4000 is a small but powerful device with Arduino compatible connectors and libraries that makes it possible to program it by using standard Arduino IDE. The Arduino MKR Vidor is packed with amazing functions. This small device contains: Control Unit is a Cortex-M0 32-bit SAMD21 microprocessor, running at 48Mhz, 256KB Flash, 32KB SRAM 2MB Flash ROM, 8 MB SDRAM Intel Cyclone 10 10CL016 FPGA, with 16K logical elements, 504kb of embedded RAM Bluetooth (u-blox NINA-W102) WiFi (u-blox NINA-W102) USB Camera Interface Micro HDMI Output I2C connector LiPo Connector Mini PCI Express ATECC508 crypto chip https://docs.