Technical information

CHAPTER 2
Hardware Design
13
Figure 2-1 Detailed block diagram
CPU

80486DX2
Pretzel
Logic
68040 PDS
connector

68040 PDS
I/O
interface
controller
AJA

Bus de-
multiplexer
84031

Memory
controller
D(31:0)
A(31:2)
XD(7:0)
DB-26
connector
Sound
expansion
connector
PPC 601 PDS
connector
XA(15:0)
72-pin RAM SIMM
ROM

Declaration
8242

Keyboard
controller
82C450

VGA
controller
CLUT
84035

Data path
controller
558

Game
timer
Video
DRAM