The following announcement was made today, 3/7/89: SUN INTRODUCES LOW-COST FLOATING POINT ACCELERATOR FOR SUN-4 WORKSTATION FAMILY MOUNTAIN VIEW, Calif. -- March 7, 1989 -- Sun Microsystems today introduced a new floating point accelerator that boosts floating point processing performance on all members of the Sun-4(TM) workstation family by as much as 100 percent or more. This add-on board, called the FPU2, allows SPARC(TM)-based Sun-4 workstations and servers to process at speeds up to 2.2 MFLOPS (million floating point operations per second), as measured by single precision Linpack benchmarks. FPU2 implements a faster division operation and performs square-root functions in hardware. These improvements increase the Sun-4's performance in floating point intensive applications such as ECAD simulation and verification and MCAD analysis, markets in which Sun is a leader. FPU2 will also benefit the scientific and earth resources markets. The FPU2 includes a Sun-designed gate array controller and the TI 8847 floating-point processor from Texas Instruments. The FPU2 coprocessor board easily fits into a socket on the Sun-4 CPU board. All existing Sun-4 applications will run on the FPU2 without requiring any software changes, an important feature that will allow current software to easily realize the benefits of higher performance. Certain applications will achieve their greatest improvement in speed if they are recompiled to execute the square root function in hardware. For the Sun-4/260 and Sun-4/280, FPU2 will be offered in new systems as a replacement for the current FPU at no additional charge. It will also be bundled into all new 4/110 packages at no change in price. As a separate option, FPU2 will be available for 4/110s for $3,000. The board is available immediately. Sun Microsystems, Inc., headquartered in Mountain View, Calif., is one of the world's leading suppliers of network-based distributed computing systems, including professional workstations, servers and UNIX operating system and productivity software. ### Press contact: John Loiacono 336-6424