Specifications

4-20
4-21
5-1
7-1
7-2
7-3
7-4
8-1
8-2
8-3
8-4
8-5
8-6
Calendar Battery Message , . . . . . . . .
Memory Modules . . . . . . . . . . . . . . . .
Sample Boot ROM Self-Test LEDs . .
Illustrated Parts Breakdown of the
System Unit
(Model 400t, 425t, and 400dl) . . . . .
Model 400s, 425s and 433s System
Unit Illustrated Parts Breakdown . . .
Model 400s, 425s, and 433s DIO-11
Card Cage . . . . . . . . . . . . . . . . . . . . . .
Model 400s, 425s, and 433s
ISA/EISA Card Cage . . . . . . . . . . . . .
Model 400t and 425t System Unit
Functional Block Diagram . . . . . . . . .
Model 400dl System Unit Functional
Block Diagram . . . . . . . . . . . . . . . . . . .
Model 400s, 425s, and 433s
Standard 1/0 System Unit
Functional Block Diagram . . . . . . . . .
Model 400s, 425s, and
System Unit Functional
Model 400s, 425s, and
System Unit Functional
Model 400s, 425s, and
Unit Power Distribution
433s DIO-11
Block Diagram
433s ISA/EISA
Block Diagram
433s System
Diagram . . . .
4-29
4-30
5-4
7-1
7-4
7-7
7-8
8-2
8-3
8-4
8-5
8-6
8-7
xiv
Contents