Of the market share, and producing 150,000 consoles a month.

At the end of 1982 the TI-99/4A is the number one home computer in America, with approximately 35%.

By August 1982, TI is losing shelf-space to competitors, and issues a $100 rebate on the TI-99/4A.

Unfortunately, CorComp filed for bankruptcy just a few months later, in August of 1984.

It is a conveniently small expansion unit that plugs into the expansion bus on the right side of the 99/4A,Īnd contains the same features as the PEB default configuration, and then some: The TI-99/4A line of computers, released the CC-9900 Micro-Expansion System for the TI in May of 1984. If the PEB is too large for you, CorComp, who manufactured many of their own expansion cards and peripherals for The open PEB shown here has the interface card, an RS-232 Serial card, 32K RAM memory expansion, and Leads into the console via a very large flat cable.

There is space inside the 'PEB' for 8 cards, although one slot is required to contain the interface card which It is estimated that one PEB was sold (250,000) for every ten TI-99/4A consoles sold (2.5 million). Disk controller card and one SS/SD floppy drive.Introduced in January 1982, the Peripheral Expansion Box cost $1475.00, including: It is huge, and of very solid and high quality construction. To remedy this situation, TI released the Peripheral Expansion Box as a more convenient Unfortunately, this string of peripherals could easily reach many feet in length, as this picture of the original TI-99/4 indicates! Memory expansion, a serial interface, a floppy drive and other peripherals can be plugged in here for The new '4A' has a new graphics chip and a better keyboard.Ībout the only way to expand the original TI-99/4A was from the expansion port on the right side of the console. The TI-99/4 A is a redesign of the TI-99/4 system, which wasĭiscontinued.

Ti 99 4a for sale