Acer Extensa 670 Service Guide

Service Guide1-9 1.4. Standard Test Features
The Extensa 67x Series Notebook Computers use modular design and built-in test features to
reduce the mean time to repair.
1.4.1 Power On Self Test
The Extensa line of notebook computers contain a BIOS-resident, Power On Self Test (POST) that
automatically performs a test of memory and all major circuits each time 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...

1-10General Description 1.5. Extensa 67x Series Specifications
General specifications for the Extensa 67x Series Notebooks are provided in Table 1-5.
Table 1-5Specifications
CharacteristicModel 670CPUPentium P54CSLM, 133 MHz; 3.1 Volt,Internal Hard Disk Drive
Disk Storage Capacity
Average access time
Throughput1.6 GB, 2.1 GB
12 ms or less
11+ Million I/Os per secondDRAM Memory
Size
Maximum Expansion Size16 MB DRAM, 60-ns, EDO-type
80 MBFlash ROM256 KBFDD
Disk Storage Capacity:
Disk Size
Drive Height...

Service Guide1-11 Table 1-5Specifications
CharacteristicModel 670RS-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
Yes
COM1(IRQ4, 3F8h)
COM2(IRQ3, 2F8h)
COM3(IRQ4, 3E8h)
COM4(IRQ4, 2E8h)
DisableParallel...

1-12General Description 1.6. Regulatory Agency Approvals
All Extensa 67x 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 (Safety)
· EN 50082-1 (Immunity: ESD, RFI, EFT, and Surge)
· EN 50081-1 (Emissions: RFI, EMI, Harmonics, and...

C h a p t e r     2 C h a p t e r     2
InstallationService Guide2-1 2.1. Introduction
This chapter contains unpacking and preparation for use instructions for the Extensa 67x 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
· Installing Desktop Devices
· Installing the AC Adapter
· Checking Out the System
·...

2-2Installation 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 67x Series Notebooks can be expanded using EDO Small Outline Dual Inline
Memory Modules (EDO soDIMMs). These modules currently are available in 8 MB, 16 MB or 32 MB
sizes and install in expansion memory slots on the Main Board accessed through the Memory...

Service Guide2-3 7.If installing a second soDIMM, repeat Step 6.
8.Reinstall the Expansion Memory Access Cover using the screw removed in Step 4.
9.Replace the Keyboard Assembly and any components previously removed. Replace the AC
adapter.
10.Power up the notebook and reboot.  If all of the installed memory is not recognized, try
reseating the soDIMM module(s) and rebooting.
Note: After installing expansion memory in your notebook, you must run the PHDISK utility in
order for the Save-To-Disk or 0V...

2-4Installation 2.4. Installing External Options
2.4.1 Installing PCMCIA Options
The Notebook has two connector slots for PCMCIA option cards. These two slots can be used to
install one Type III or two Type I/II credit card size PCMCIA option cards.  You can install a PCMCIA
(PC card) without turning the computer off.
Use the following procedure to install a PCMCIA option:
1.Review the installation instructions supplied with the PCMCIA option card(s).
2.Hold the card at the end opposite the connector...

Service Guide2-5 2.5. Installing External Notebook Options
2.5.1 Installing Ext. Keyboard/Mouse/Numeric Keypad
A PS/2 compatible keyboard, mouse or an optional PS/2-compatible numeric keypad may be
installed on the notebook via the mouse connector on the  left rear port as shown in Figure 2-3.Figure 2-3PS/2 Port Pinouts 

2-6Installation 2.5.2 Installing an External Parallel Printer or Floppy Drive
The Notebook is equipped with an external, bidirectional, ECC/EPP compatible, 25-pin parallel
printer port. The connector pinouts and connector location are shown in Figure 2-4.  When used with
a special cable, an external floppy disk drive may also be attached to the notebook via the parallel
port. When a floppy disk drive is connected to the parallel port, the floppy disk drive in the Modular
Bay is disabled, if...