The other new Amiga unveiied was the A4000T, a tower version of the 68040 machine. it has a couple of enhancements over the Desktop version such as a SCS!-!! interface and higher capacity hard drives. Commodore aiso confirmed a report in iast month's Amiga Computing that a digits! signa! processor (DSP) upgrade wiü be available later this year for their A3000 and A4000 sériés. The chip is under development by the American giant AT&T, and the board wiü have bmit-in stereo Codée to provide digitising support for the chip. Fuüy muiti-tasking, in addition to its own two megabytes of memory wiü manipuiate the Amiga's main chip and fast RAM. ft wiü run DCOS, an operating system Ücensed from AT&T, and feature microphone in out for mixing. Eventuaüy the firm wiü add Asps to aü Amigas, and have pians for Amiga speech récognition. Detaiis of completely redesigned Amiga graphics were also revealed, less than six months since the munch of the AGA set. Two sets are under development, one for high end use and the other for iow-end. it is ciaimed they wiü be compatible with each other and earlier graphics. According to the manufacturer, the iow-end chips have a resolution of 800 x 600 pixeis, opératé at 72Hz, include!6Mb of chip RAM and have an extended cotour mode. The other version which is further into development wiü have four custom chips, a true cotour resolution of 1,000 x 1,000 pixels and multiple blitter support. CD Amiga denied A CD-BASED system using the latest Amiga graphics wiii beiaunchedby Commodore before Christmas. it has been ciaimed. Amiga Computing exetusivety revealed detaits of a machine with very similar spécifications in January's issue. Keüy Sumner has, however. confirmed that there witt be a new machine tater this year which has the poten-tiai of tifting Amiga sates higher than iast year s record.