Acer Extensa 570 Mantenance Manual

2.6Installing the AC Power Adapter
Use the following procedures to connect the AC Adapter to the system:
cCaution: Use only the AC Adapter supplied with the computer; other
adapters can damage the unit.
1.
  Remove the AC adapter from the packaging. Connect the round coaxial
connector on the AC Adapter to the power receptacle on the left side
(rear corner) of the notebook as shown in Figure 2-7.
2. Connect the female side of the AC Power cord to the AC Adapter and
connect the male end to a grounded AC...

Upon successful conclusion of self test, the computer automatically loads its
operating system and Windows environment. If self test fails to complete
and an error message is displayed, try powering down the computer for a
couple of minutes and turning power back on to repeat self test. If the error
message persists, see Section 5 for troubleshooting information (also refer to
Appendix A for self test error message descriptions).
2.8 Configuring the System
The first time you power up the notebook, it...

3
Operating Instructions 
3.1Introduction
This section describes the Extensa 57x Series Notebook operating controls
and indicators.
n
Note: 
 For additional operating instructions, refer to the Extensa 57x Series
Notebook Computer Users Guide.
3.2Notebook Controls and Indicators
The Extensa Series Notebooks are equipped with the following controls and
indicators:
·Alternate action Power Button in the upper left corner above the
keyboard
·Status LCD centered above the keyboard - ICONs are used to convey...

3.2.1LCD Contrast Control
The TFT version of the notebook contains no operating controls or
indicators. Use the function keys to adjust the contrast and brightness. TFT
versions are unaffected by contrast key adjustments.
3.2.2Button Switches
The notebook contains one button switch above the keyboard: the Power
On/Off 
Switch. This button is an alternate action type switch that controls
power to the unit. Pressing the Power button causes power to be applied to
the notebook, power up self test to be run...

·Insert the floppy into the floppy drive slot with the label side up and the
metal-shutter end first. Gently push the floppy into the floppy drive slot
until the floppy clicks into place.
·To remove a floppy diskette, press the eject button until the floppy pops
out.
·Never force open the access shutter on a floppy.
·Always remove a floppy from the floppy drive before turning off the
computer.
·Never transport the computer with a floppy in the floppy drive. Doing so
can damage the drive head.
·If a...

3.3.2 Installing/Removing PCMCIA Options
PCMCIA cards are inserted and ejected in much the same way as diskettes:
·Up to two Type I or Type II PCMCIA options may be installed in the
compartment on the right side of the notebook. One Type III Option may
be installed in the lower slot.
·To insert a PCMCIA card, align the card with the socket and slide the
card into the socket until it locks into place. To install a Type III option,
you must remove the Floppy Drive.
·To eject a PCMCIA card, go to the...

3.3.6Recharging the Battery Packs
A standalone battery charger option is available to charge notebook battery
packs. The battery packs may also be charged in the notebook as follows: 
1. Install the battery pack(s) in your computer (if not already installed).
2. Connect the AC Adapter as described in Section 2.
3. To fully charge the battery pack, leave it charging in the Notebook for 
at least another 90 minutes.
4
. Periodically recondition the primary battery (Nickel Metal Hydride) as
described in...

n
Note
: For additional operating procedures, refer to to the Extensa 500 Series
Notebook Computer User’s Manual, 
Texas Instruments Part No. 
9803942-0001.
      
3-6 
Operating Instructions 

4
Theory of Operation
4.1Introduction
This section describes the notebook theory of operation.
4.2Notebook Functional Description
Functionally, the notebook computer consists of the following major
subsystems:
·Processor and Memory Subsystem
·I/O Subsystem
·Video Subsystem
·Hard Disk Subsystem
·Floppy Disk Subsystem
·CD-ROM Subsystem
·PCMCIA Subsystem
·Sound Subsystem
·Serial Infrared Subsystem
·Power Subsystem
A functional block diagram of the Extensa 57x Series Notebook is shown in
Figure 4-1....

DRAM memory, 128 bytes of CMOS RAM (battery backed up) and 256 KB of
Flash ROM for system and video BIOS storage.
The basic 8 MB memory system can be expanded to a maximum of 40 MB
by the addition of two DIMM memory modules (refer to Section 6 for
installation details).
Tables 4-1 through 4-3 contain the Notebook I/O address map, DMA
channel assignments and IRQ interrupt level assignments respectively.
MAIN BOARD
SYSTEM &
SVGA BIOS
INTERNAL 1.44 MB
FLOPPY DISK DRIVE
PARALLEL
PRINTER PORT
Super I/O...