Collaborate Disseminate
IBM mainframes are known for very unusual terminals. But IBM made many different things, including the IBM 3151 ASCII terminal, which uses a cartridge to emulate a VT220 terminal. [Norbert …read more Continue reading ASCII to Mainframe
In his most recent article, [Ken Shirriff] takes a break from putting ASICs under a microscope, and instead does the same in a proverbial manner with the word ‘mainframe’. Although …read more Continue reading How the Main Frame Became the Mainframe: an Etymological Dissertation
Many of us used “big iron” back in the day. Computers like the IBM S/360 or 3090 are hard to find, transport, and operate, so you don’t see many retrocomputer …read more Continue reading Retro Big Iron for You
If you think of IBM mainframe computers, you most likely are thinking of the iconic S/360 or the slightly newer S/370. But what about the 7070 from 1958? It had …read more Continue reading Retrotechtacular: The IBM 7070
How do you make the trains run on time? British Rail adopted TOPS, a computer system born of IBM’s SAGE defense project, along with work from Standford and Southern Pacific …read more Continue reading Retrotechtacular: TOPS Runs the 1970s British Railroad
Laser printers today are cheap and readily available. But in 1976, they were the height of printing technology. The IBM 3800 was the $175,000 printer to have in that year. …read more Continue reading Retrotechtacular: The $175,000 Laser Printer
The era of mainframe computers and directly programming machines with switches is long past, but plenty of us look back on that era with a certain nostalgia. Getting that close …read more Continue reading A Mainframe Computer for the Modern Age
If an attacker breaches a transit agency’s systems, the impact could reach far beyond server downtime or leaked emails. Imagine an attack against a transportation authority that manages train and subway routes. The results could be terrible. Between June of 2020 and June of 2021, the transportation industry witnessed a 186% increase in weekly ransomware […]
The post How Dangerous Is the Cyber Attack Risk to Transportation? appeared first on Security Intelligence.
Continue reading How Dangerous Is the Cyber Attack Risk to Transportation?
These days, mass storage for computers is pretty simple. It either uses a rotating disk or else it is solid state. There are a few holdouts using tape, too, but …read more Continue reading Striping a Disk Drive the 1970 Way
Before IBM was synonymous with personal computers, they were synonymous with large computers. If you didn’t live it, it was hard to realize just how ubiquitous IBM computers were in …read more Continue reading Retrotechtacular: The IBM System/360 Remembered