New answers tagged

1

How about a USI monitor like the one shown here : https://www.si.edu/newsdesk/photos/apple-ii-computer? or a "National" as shown here:


2

It was the board game "Acquire" set in space. I used to hook the Laser 128 up to the TV and play this with friends. At least until someone realized the game wouldn't prevent you from buying negative stock. If you weren't doing well and shorted at the right time, it'd make you a fortune. Otherwise it'd trap you with massive negative interest and no ...


4

The Disk-II mechanism is essentially a floppy drive with the low-level controller ripped out. Few, if any, other manufacturers were willing to do that, as it means a more complex controller and connection to the computer. Drive mechanisms from the Shugart SA-400 onwards used just two lines — Direction and Step — to manage the heads. To manage the four ...


0

There used to be games that used half tracks, and I believe, quarter tracks for copyright protection. Skipping half tracks in the middle was fairly common, there were special copy programs that could copy those disks but they where unreliable and took forever. If a normal floppy was written as 1 3 5 7 9 half track such a disk would be written as 1 3 6 8 10 ...


2

I just found a great web page: Disk Drive Prices 1955+, which has one simple chart showing yearly, and in later years monthly, prices of drives. The page was made by John C. McCallum - more details about it on his home page. Most of the earlier examples are either IBM/DEC drives (not so easily attached to microcomputers) or floppy drives. One that is ...


0

The first mention I can find for a Macintosh hard drive is in the November 1984 Macworld (magazine). The cover story was "Thd Fat Mac Arrives - 512k". It's an ad from Corvus (in San Jose). From the ad: A hard disk drive available in 5, 11, 16 and 45 megabyte capacities. The software necessary for communicating with the Macintosh is built into the ...


0

In 1985 I bought a Computer memories CM5619 (19 Mb un-formatted) for a bargain price of $1900. At the time thinking only $100/Meg, what a deal.[


Top 50 recent answers are included