+1-323-909-4740 [email protected]

Sun Solaris

.profile /usr/bin/stty erase ‘^H’ #note: using encase “`” (next to the ~) for logname and hostnamePS1=logname@hostname:’${PWD}$ ‘ alias ls=”ls -la”alias vim=”vi” .plan...

VLAN

802.1q – C-VID – Customer VLAN 802.1ad – S-VID – QinQ Service VLAN Stacking Manually ip link add link enp1s0 enp1s0.203 type vlan proto 802.1ad id 203ip link add link enp1s0.203 enp1s0.303 type vlan proto 802.1q id 303ip link add link...

IBM 5081 Computer Punch Card Recreation

I’m recreating the paper form to use in a project, why you ask? I also ask myself that same question, I’m going to make a puncher and a reader, proably something ardunio driven outputting RS232 so I need to make my own cards as NOS cards are hard/expensive...

Windows 98

[CONFIG.SYS] [AUTOEXEC.BAT] [MSDOS.SYS] Type cd\ to get to the C:\> prompt.Type attrib msdos. sys -r -a -s -h and press Enter .Type edit msdos. sys and press Enter .Locate the line BOOTGUI=1 and change the line to BOOTGUI=0 and save the file.Reboot your computer....

Docker

Install apt-get install docker.io https://docs.portainer.io/start/install/server/docker/linux Instances docker run -itd –rm –netowrk extraip –ip 203.xxx.xxx.15 –name test busybox docker exec -it test sh Storage Networking Bridge Mode IPv6...

Vintage 1982 Mystery PCB i8080

Random ebay find from stoneagegaming. https://www.ebay.com.au/str/stoneagegaming Plan PhotographDocumentTeardown Test ChipsCreate PCB for ROMSClean PCBScan PCBRetrace in KiCAD SchmenticsRebiuld PCB If Chips are fired? PCB REV “G” Intergrated Circuits...

Token Ring

https://www.ardent-tool.com/network/TR_Cabling.html https://www.wikiwand.com/en/Token_Ring Cisco PA-4R-DTR NM-1FE1R2W HP J4167A – JetDirect 610N Token Ring LAN Interface Board Crossover? is a crossover just a Wrap Plug? Interfaces PCMCIA PCI ISA MAU Design...

Intel PBA 617520-001 Socket 4 Motherboard

I think its a Intel Premiere PCI ED (Batman) OEM board but its not exactly quite the same. RTC is uout of place It has an AT keyboard conector but PS/2 Keyboard and Mouse port pad on the circuit board. PBA 617520-001 AA 615989-009...

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

Usage 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...

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...