Epson EISA Desktop - Manual (Page 152)

Processor Board
CPU
Cache memory
Math coprocessor
Mass
Storage Bays
486SX/25 board: Intel 80486SX, 25 MHz
microprocessor
486DX/33 board: Intel 80486DX, 33 MHz
microprocessor
Both boards: simulated 8 MHz and other
processor simulation speeds selectable
through software
486SX/25 board: 8KB internal cache in the
80486SX microprocessor
486DX/33 board: 8KB internal cache in the
80486DX microprocessor; 64KB Intel
82485MA-33 Turbocache module with
write-through, two-way set associative
cache memory and controller
486SX/25 board: two sockets available for
optional Weitek WTL4167 and Intel
80487SX math coprocessors
486DX/33 board: internal coprocessor in
the 80486DX and one socket for an
optional Weitek WTL4167 coprocessor
Up to five devices maximum; internal bay
for two half-height or one full-height hard
disk drives; externally-accessible bay for
two half-height and one third-height or
one full-height and one third-height drives
Specifications
D-3