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Datatech Enterprises 386/25 Manuals
Manuals and User Guides for Datatech Enterprises 386/25. We have
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Datatech Enterprises 386/25 manual available for free PDF download: User Manual
Datatech Enterprises 386/25 User Manual (141 pages)
25MHz 286 System
Brand:
Datatech Enterprises
| Category:
Desktop
| Size: 1.51 MB
Table of Contents
Table of Contents
5
Chapter 1 System Overview
17
System Overview
18
Introduction
19
Operating System
19
Quick Start
20
System Overview
20
Features
21
Specifications
22
Example of a System Configuration
23
Figure 1-2: System Configuration
23
L-6 System Unit
24
Figure 1-3: System Unit Case
24
Control Panel
25
Reset Button
25
Turbo Button
25
Indicator Lights
25
Figure 14: Front Panel
25
Keyboard Lock
26
System Power Switch
26
Figure 1-6: Power Switch
26
Rear Panel
27
Figure 1-7: Rear Panel
27
Figure 1-8: Connecting the Keyboard Cable
28
Keyboard Connector
28
Figure 1-9: System Power Cord
29
Power Cord Connector
29
Display Port
30
Figure 1-10: Two Kinds of Display Connectors
30
Figure 1-11: Voltage Switch
31
Power Cord Specification
31
Power Voltage Setting
31
Table 1-1: Power Cord Specifications
31
Other Peripherals
32
Figure 1-12: System Unit Connected to Peripherals
32
Disk Drives
33
Figure 1-13: Floppy and Hard Disk Drive Bays
33
Floppy Disks
34
Table 1-2: Floppy Disk Specifications
34
Figure 1-14: Copy Protection for 3.5" Floppy Disk
35
Figure 1-15: Copy Protection for 5.25" Floppy Disk
35
Hard Disks
36
Keyboard
37
Figure 1-16: Keyboard
37
Maintaining Your Equipment
38
Setting up Your System
39
Setting up Your System
40
PEM-2530 Motherboard
41
Figure 2-1: PEM-2530 Motherboard Layout
41
80386 Cpu
42
Math Coprocessor
43
Table: 2-1 Jumper W7
43
Figure 2-2: Installing 80387
44
Expansion Bus
45
Table 2-2: Jumper W2
45
Table 2-3: Jumper W3
45
Figure 24: Expansion Slots
46
RAM Subsystem
46
ROM Installation
46
Figure 2-5: Jumper J1 Pinouts
47
Figure 2-6: Jumper J2 Pinouts
47
Jumper Settings for Connectors
47
Figure 2-7: Jumper W5 Pinouts
48
Figure 2-8: Jumper J3 Pinouts
49
Table 2-6: Jumper W6
49
Figure 2-9: Address Map of BIOS and Video
50
Shadow RAM
50
Table 2-7: Shadow RAM Control Ports
51
Figure 2-11: an Example of Three-Pin Jumper Setting
52
Onboard System Memory Size
52
Figure 2-12: Dip Switch SW1
53
Table 2-8: Switch Settings for Different Total Memory Size
53
1MB Total Onboard Memory
55
Figure 2-13: 1MB Total Onboard Memory
55
2MB Total Onboard Memory
56
Figure 2-14: 2MB Total Onboard Memory
56
4MB Total Onboard Memory
57
Figure 2-15: 4MB Total Onboard Memory
57
8MB Total Onboard Memory
58
Figure 2-16: 8MB Total Onboard Memory
58
Figure 2-17: Support Posts Tying up Two RAM Modules
58
32-Bit Local Memory Size
59
Table 2-9: Switch Settings for Different 32-Bit Local Memory Sizes
59
Starting Address
60
Table 2-10: Starting Address of AT-Bus RAM Card
60
Table 2-11: Starting Address of PEI-306 RAM Card
60
Factory Default Settings
61
Table 2-12: Factory Default Settings
61
Installation
62
Figure 2-18: Unpacking Your Main System
62
Connection to Power Supply
63
Figure 2-19: Connecting to a Power Supply
63
Table 2-13: Power Supply Pinouts
63
Choosing a Power Supply
64
Entering 25Mhz Turbo Mode
65
Hardware Turbo Switch
65
Software Turbo Switch
65
Chapter 2 Setting up Your System
65
Operating Your System
66
Chapter 3 Operating Your System
67
An Introduction to DOS
68
Loading DOS
68
System Messages
68
DOS Operations
69
Starting MS-DOS
69
Formatting Disks
70
Backing up Your Diskettes and Files
71
Deleting Your Diskettes and Files
72
Finding out What Is on Your Disk
73
Hard Disk Drive Format
74
Step 1 - Preformat
74
Step 2 - Partition
74
Step 3 - Format
75
Helpful Hints
76
System Setup Program
77
Entering the Setup Program
78
Figure 3-1: Initial Screen
79
Running the Setup Program
80
Figure 3-2: "Set up System Configuration" Screen
81
Figure 3-3: "Preformat Hard Disk" Screen
82
Figure 3-4: Calculator
83
Chapter 4 Keyboard
85
Keyboard Layout
87
Getting Acquainted with Your Keyboard
88
Function Keys
88
Numeric Keypad
88
Figure 4-2: Function Keys
88
Figure 4-3: Numeric Keypad
88
Mode Lndicator Lights
90
Figure 4-4: Indicator Lights
90
Special Keys
91
Figure 4-5: Special Keys
91
Table 4-2: Functions of Special Keys
91
QWERTY Keys
92
Figure 4-6: QWERTY Keys
92
Table 4-3: Functions of Special QWERTY Keys
92
Cursor Keys
93
Key Combinations
93
Figure 4-7: Cursor Keys
93
Table 4-4: Special Functions
93
Keyboard Tilt Adjustment
94
Figure 4-8: Adjustment of Keyboard Angles
94
Chapter 5 Troubleshooting
95
Command Problems
97
System Error Messages
99
Examples of System Error Messages
100
System BIOS Error Messages
101
Chapter 6 Appendix
103
Installing 5.25 Disk Drives
105
Figure 6-1: Fastening Metal Guides to a 5.25 Disk Drive
105
Installing 3.5" Disk Drives
107
Figure 6-3: Fastening the Bracket to 3.5 Disk Drives
107
Figure 6-4: Installing 3.5 Disk Drives
107
Connecting Cables to Disk Drives
108
Figure 6-5: Cables for Disk Drives
108
Connecting Cables to Floppy Disk Drives
109
Figure 6-6: Connecting to a Floppy Disk Drive
109
Figure 6-7: Connecting Cables to Floppy Disk Drives
109
Connecting Cables to Hard Disks
110
Figure 6-8: Connecting to a Hard Disk Drive
110
Figure 6-9: Connecting the Controller Cable
110
Figure 6-10: Connecting the Data Cable
110
Removal
111
Figure 6-11: Connecting Cables to Hard Disk Drives
111
Quick Reference for Jumper Settings
112
Table 6-2: Jumper W2
112
Table 6-3: Jumper W3
112
Table 6-4: Jumper W4
113
Expanding Your Memory with a PEI-306 RAM Card
114
Card Layout
114
Figure 6-12: PEI-306 RAM Card Layout
114
Card Setup
115
Figure 6-13: SIMM-Type RAM Module
115
Table 6-6: DRAM Chip Speed
117
Total System Memory Size
117
Figure 6-14: 32-Bit Expansion Slot for PEI-306 RAM Card
120
Installing Your PEI-306 RAM Card
120
Figure 6-15: Installing a PEI-306 RAM Card
121
Moving Your Computer and Peripherals
122
Long Move
122
Shortmove
122
Technical Information
123
Overview
123
System Timers
124
Table 6-9: Channel 0-System Timer
124
System Interrupts
125
Table 6-12: Interrupt Controllers
125
RAM Subsystem
126
ROM Subsystem
126
Direct Memory Access
127
DMA Channels
127
Table 6-13: DMA Channels
127
Table 614: Addresses for the Page Register
128
I/O Channel Slots
129
Math Coprocessor Control
130
32-Bit Memory Expansion Bus
131
32-Bit Memory Expansion Bus Signals
131
Figure 6-18: Pin Assignments of the 32-Bit Memory Expansion Bus
133
Chapter 7
134
Glossary
134
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