+1-323-909-4740 [email protected]

Intel P8052AH-BASIC

BASIC is stored in the mask ROM of the P8052AH of the MCS-51 family. ROM has 8k x 8bit and RAM has 256x8bit, and at least 1kB of external RAM is required. Due to its large capacity of 8kB, it is a fairly full-fledged BASIC that supports floating point arithmetic....

DOS serial terminal

CTTY CON Normal memory mapped video CTTY NUL Microsoft warns, “Using CTTY NUL will disconnect the computer display and keyboard from the screen and not allow you to reconnect the input and output from a remote terminal.” but can be useful in a script to...

BioStar MB-1325VF

MB-1316VF-SX/1320VF-SX/1325VF-SX VLSI https://www.ultimateretro.net/nl/motherboards/1059 http://www.uncreativelabs.de/th99/m/A-B/30652.htm Glue Logic http://www.dosdays.co.uk/topics/Manufacturers/vlsi.php SCAMP Controller VLSI VL82C311-25FC3 VL82C310-1Download SCAMP...

CRAY Simulator

https://github.com/andrastantos/cray-sim using nc -i -p {port} -t for direct network connection First Run Install On the IOP-0 terminal START COS_117 INSTALL STATION On Station Console 0 LOGON STMSG REPLY,0,GO REPLY,1,GO STMSG,I MONITOR,DISK Booting On the IOP-0...

OMRON NB-Series HMI “Erasing Flash Fail”

you my friend have a worn out FLASH chip MT29F1G08ABADA – WP (TSOP48) 1Gb x8: NAND Flash Memory Diaganosis I got a failed HMI from work where the HMI looks to be locked up which was only displaying the LOGO screen, uploading anything in application mode fails...

FFMPEG Generate Noise and Then beep

!/bin/bash ffmpeg -hide_banner -loglevel error -filter_complex “ladspa=file=cmt:noise_source_white:c=c0=.1” -f alsa default & while : doffmpeg -hide_banner -loglevel error -f lavfi -i “sine=frequency=2525:duration=0.25:sample_rate=8000” -ab...

D-Link DI-524 Remote Access Server

I got this device on ebay for $10, it was sold as not tested. It was non functional. Dlink has since resued the DI-524 model number so finding information about it is a challenge. Date codes on most of the parts are all in the mid 1998’s this would have been a...

Curl

Testing SOCKS Proxy V5 curl –proxy socks5://[email protected]:1080 -u user:password http://ipv4.hegars.com[{“IPv4”: “xxx.xxx.xxx.xxx”,”RTT”: “0.509”},{“requested”:...

10Base2 Retro Network

Building a retro Chepernet 10Base2 network for retro computers and device of the time, Much like I used to in the old days circa 1999 Ethernet Specification IEEE 802.3a 10Base2Transmission Speed10MbpsTransmission MediaRG-58 50Ω COAXMaximum Segment Length185mMaximum...

Binary decoder

https://tinyurl.com/yzwxsgem https://en.wikipedia.org/wiki/Binary_decoder Use in a switch to detect and use the off position https://tinyurl.com/yjy5d5tq Chips SN7404 Hex InvertorSN7414 SN7408 Quad AND gate or SN74138 3-Line To 8-Line Decoders/Demultiplexers Test...

Mobile Phones

Main Phones Motorola D368 1998- Motorola V2088 Motorola L6 Nokia Something Black Phone?? Motorola V3X Apple iPhone 4 Apple iPhone 6 2016 – 2021 Google Pixel 5 2021- Current SIDE PHONES Samsung J5...

Telephone Mini Motor Selector

I found this cool little old telephone selector on ebay, no idea of its age or origin. It looks to have 8 primary to 12 contacts per layer (Common to 0-9,-,N) the 9th layer looks disconnected. It looks to be a quadrant selector with four armatures per layer allowing...

FFMPEG Generate Quindar tones

https://en.wikipedia.org/wiki/Quindar_tones intro tone ffmpeg -f lavfi -i “sine=frequency=2525:duration=0.25:sample_rate=8000” -ab 8k -ac 1 -codec:a pcm_mulaw intro.wav outro tone ffmpeg -f lavfi -i...

FFMPEG Generate Dialtone

ffmpeg -f lavfi -i “sine=frequency=440:duration=5:sample_rate=8000” -f lavfi -i “sine=frequency=350:duration=5:sample_rate=8000” -ab 8k -ac 1 -filter_complex “[0][1]amerge” -codec:a pcm_mulaw dialtone.wav

iPECS Systems Stuff

Serial/Telnet Console Password Management setting or resetting passwords from the serial or telnet console maint> password man 1234 Maint Password changed maint> password usr 1234 User Password changed maint> password adm 1234 Admin Password changed Resetting From...

Telephone Hybrid

https://www.epanorama.net/circuits/teleinterface.html Traditional transformer hybrid circuit https://tinyurl.com/yzw6rao7 https://en.wikipedia.org/wiki/Hybrid_coil https://en.wikipedia.org/wiki/Telephone_hybrid

BioStar MB-1420/25/33PB/PV Repair

I found a 486 board circa 1991 on ebay that was having keyboard issues so I grabbed it not knowing much more than that, When I received it, it seemed to be in really good condition otherwise. It’s a Biostar MB-1420/25/33PB/PV This is a no frills 486 board, no...

Windows Mount ISO Natively

PS E:\Downloads> Mount-DiskImage -ImagePath “E:\Downloads\VeeamBackup&Replication_10.0.1.4854_20200723.iso” Attached : TrueBlockSize : 0DevicePath : \.\CDROM1FileSize : 3965190144ImagePath :...

VMware

Poweron VM from CLI To power on a virtual machine from the command line: List the inventory ID of the virtual machine with the command:vim-cmd vmsvc/getallvms |grep <vm name>Note: The first (leftmost) column of the output shows the vmid. Check the power state of...

Cyclades TS1000

CPU PowerQUIC 1 – XPC855 https://www.wikiwand.com/en/PowerQUICC ROMs http://mirrors.develooper.com/cyclades/cyclades-ts/released/V_1.4.0-3/TS400_800_1000_2000_3000/ zImage_ts_140-3.bin Network DP83846AVHG – DsPHYTER ㅡSingle 10/100 Ethernet Transceiver...

Iridium Satellite Terms

Terms /and Abbreviations Asynchronous A serial data transmission method that uses Start and Stop bits to synchronize reception. AT Commands A group of commands that can be sent by a terminal or host computer to control the ISU in Command mode. Baud One signaling...

VIM

Pasting Blocks of code This prevents auto indent gone wild. :set paste :set nopaste

Emitter-Coupled Logic

http://tinyurl.com/yxkfpm8m http://tinyurl.com/y2po25mw Used in HSSI https://www.allaboutcircuits.com/technical-articles/the-basics-of-emitter-coupled-logic-ECL-inverter-buffer/