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Acer Extensa 900 Maintenance Manual

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Page 21

                                                                                                            General Description  1-11  
Figure 1-8  Undocking from the Mobile Productivity Base
1.2.9.2 Mobile Productivity Base Ports
The Mobile Productivity Base provides the same ports as available on the Notebook plus 
an additional PS/2 port to allow for both external mouse and keyboard. The port 
assignments are shown in Figure 1-9.
Lever Release
Latch
Docking/
Undocking
Lever
Left Side
Right 
Side 

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1-12   General Description
Figure 1-9  Mobile Productivity Base Ports
1.2.9.3 Advanced PCI Card Options
The Extensa 900 Series Notebooks contain provisions for an advanced PCI Card as 
shown in Figure 1-7.
1.3 Notebook Battery
The notebook computer uses a Lithium-Ion battery pack. A second identical battery 
can be installed in the optional Mobile Connectivity Base as shown in Figure 1-7. 
1.4 Standard Test Features
The Extensa 900 Series Notebook Computers use modular design and built-in test...

Page 23

                                                                                                            General Description  1-13  
the computer is powered up. In the event of a failure, the computer displays a descriptive 
error message and issues a series of coded beeps (in case the display subsystem is not 
functioning). If self test completes normally, the computer displays the amount of 
memory tested, loads the Operating System and Windows environment.
1.4.2 PC-Doctor Diagnostics Program
The...

Page 24

         
1-14   General Description
1.5 Extensa 900 Series Specifications
General specifications for the Extensa 900 Series Notebooks are provided in Table 1-5. 
Table 1-5 Extensa 900 Specifications
Characteristic Model 900 Series Specifications
CPUPentium P54CSLM, 133 MHz; 3.1 Volt, 
Internal Hard Disk Drive
Disk Storage Capacity:
Average access time:
Throughput1.35 GB or greater
12 ms or less
11+ Million   I/Os per second
DRAM Memory
Size
Maximum Expansion  Size16 MB DRAM, 60-ns, page-interleaved
 80...

Page 25

                                                                                                            General Description  1-15  
Video Subsystem
LCD Aspect Ratio
Emulations:
Video Memory Size
Video Bus:
LCD  Resolution:
LCD  Characters/Line
LCD Lines/Screen:
LCD Brightness Control: 1-1
SVGA
1.5 MB
32-bits
640 x 480 pixels bit-mapped at 256 colors
 80
 25
Function hot key brightness and contrast control and SimulSCAN 
control
External CRT Monitor 
Interface
Connector Type:
Monitors...

Page 26

         
1-16   General Description
RS-232-D Serial Port:
Method:
Type:
Bits  per   second:
Parity: Transmit:
Receive:
 Line control:
 Data word:
16550 UART Support
Selectable Serial Port 
(BIOS Setup)
 9-Pin, male, sub-D-type connector
EIA RS-232-D
Asynchronous transmission
110, 200, 300, 600, 1200, 2400, 4800, 9600, 19200
Odd, even, mark, space
Data check: odd, even
READY/BUSY, DC1/DC3
7- or 8-bit
Ye s
COM1(IRQ4, 3F8h)
COM2(IRQ3, 2F8h)
COM3(IRQ4, 3E8h)
COM4(IRQ4, 2E8h)
Disable
Parallel  Port
Connector...

Page 27

                                                                                                            General Description  1-17  
1.6 Regulatory Agency Approvals
All Extensa 900 Series products meet the following regulatory agency standards:
¨Underwriter’s Lab (UL) Standard 1950 (safety)
¨Canadian Standards Association (CSA) Standard 950 or CUL (safety)
¨FCC CFR 47, Part 15, Subpart B, FCC Level B (Emissions)
¨Canadian Department of Communications (DOC) ICES, Class B (Emissions)
¨VDE- EN60950...

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Page 29

                                                                                                                         Installation  2-1  
2
Installation
2.1 Introduction
This section contains unpacking and preparation for use instructions for the Extensa 
900 Series Notebook Computers. This includes:
¨Removing the computer and all manuals, options and accessories from the 
shipping container(s)
¨Installing Internal Notebook Options
¨Installing External Notebook Options
¨Installing Battery Packs...

Page 30

2-2   Installation
2.3  Installing Internal Notebook Options
If you have no internal options to install at this time, skip to Paragraph 2.4. Otherwise, 
continue with Paragraph 2.3.1.
2.3.1 Installing Main Memory Expansion (Optional)
Main memory on the 900 Series Notebooks can be expanded using  an EDO Small 
Outline Dual Inline Memory Module (EDO soDIMM). These modules are available in 
8 MB, 16 MB,  32 MB, and 64 MB sizes and install in the expansion memory slot on 
the System Board accessed through...
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