Acer Travelmate 340 Service Guide

Chapter 115
 
Above table lists some system memory configurations. You may combine DIMMs with various capacities to 
form other combinations.
NOTE: The shipping specification for DIMM combination is 64MB in slot 1.
  
Supports DIMM Speed 100MHz
Supports DIMM voltage 3.3V
Supports DIMM package 144-pin DIMM
Memory module combinations You can install memory modules in any combinations as long as they 
match the above specifications.
Memory Combinations
Slot 1Slot 2Total Memory
32MB 0 32MB
0 32MB 32MB
64MB 0...

16Chapter 1
 
  
Supports modem protocol V.90 data modem 56K, V.90 fax modem 14.4K and digital line 
protection operation
Modem connector type RJ11
Modem connector location Rear side
Hard Disk Drive Interface
ItemSpecification
Vendor & Model Name IBM DARA-206000 IBM DARA-209000
Drive Format
Capacity (MB) 6000 9000
Bytes per sector 512 512
Logical heads 15 16
Logical sectors 63 63
Drive Format
Logical cylinders 12416 16383
Physical read/write 
heads23
Disks 1 2
Spindle speed (RPM) 4200 4200
Performance...

Chapter 117
  
 
Floppy Disk Specifications
Media recognition 2DD (720KB) 2HD (1.2MB, 3-mode) 2HD (1.44MB)
Sectors / track 9 15 18
Tracks 80 80 80
Data transfer rate  (Kbit/s) 250  500 500
Rotational speed (RPM) 300  360 300
Read/write heads 2
Encoding method MFM
Power Requirement
Input Voltage (V) +5V +-10%
DVD-ROM/Floppy Diskette Combo Drive Interface
ItemSpecification
Vendor & model name  TEAC DF220500
DVD-ROM
Performance Specification With CD Diskette With DVD Diskette
Transfer rate (KB/sec)...

18Chapter 1
   
 
  
Resolution 16-bit
Compatibility SB-Pro, Windows Sound System (WSS), MPU-401, OPL3, OPL3-SA3
Microsoft PC97/PC98/PC99, WHQL audio requirement
Mixed sound source Voice, Synthesizer, Line-in, Microphone, CD
Voice channel 8/16-bit, mono/stereo
Sampling rate 44.1 KHz
Internal microphone No
Internal speaker / Quantity Yes / 1 piece
Supports PnP DMA channel DMA channel 0
DMA channel 1
Supports PnP IRQ IRQ3, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11
Video Interface
ItemSpecification
Chip vendor...

Chapter 119
 
  
Supports ECP/EPP  Yes (set by BIOS setup)
Optional ECP DMA channel 
(in BIOS Setup)DMA channel 1 and 3
Optional parallel port I/O address 
(in BIOS Setup)3BCh, 378h, 278h
Optional parallel port IRQ 
(in BIOS Setup)IRQ5, IRQ7
Serial Port
ItemSpecification
Serial port controller NS PC97338VJG
Number of serial port 1
Supports 16550 UART Yes
Connector type 9-pin D-type connector, in male type
Location  Rear side
Serial port function control Enable/Disable by BIOS Setup
Optional serial port...

20Chapter 1
   
  
    
NOTE: DC-AC inverter is used to generate very high AC voltage, then support to LCD CCFT backlight user, 
and is also responsible for the control of LCD brightness.  Avoid touching the DC-AC inverter area while 
the system unit is turned on. 
NOTE: There is an EEPROM in the inverter, which stores its supported LCD type and ID code.  If you replace 
a new inverter or replace the LCD with a different brand, use Inverter ID utility to update the ID 
information.
     Keyboard...

Chapter 121
Supports colors 262,144 colors
Optical Specification
Brightness control keyboard hotkey
Contrast control keyboard hotkey
Electrical Specification
Supply voltage for LCD display (V) 3.3 (typ.)
Supply voltage for LCD backlight (Vrms) 630(typ.)
AC Adapter
ItemSpecification
Vendor & model name Delta ADT-60XB D 3P
Input Requirements
Maximum input current (A, 
@90Vac, full load)1.5 A    @   90Vac
0.9 A    @ 180Vac
Nominal frequency (Hz) 47 - 63
Frequency variation range (Hz) 47 - 63
Nominal...

22Chapter 1
  
Power Management 
Power Saving ModePhenomenon
Standby Mode
Waiting time specified by the System 
Standby value or the operating system 
elapses without any system activity.
Or
When the computer is about to enter 
Hibernation mode (e.g., during a battery-low 
condition), but the Hibernation file is invalid 
or not present.
TThe buzzer beeps
TThe Sleep indicator lights up
Hibernation Mode
When customized functions for power 
management are set to 
Hibernation and the 
corresponding action is...

Chapter 123
Material Housing:  MG-AL 
Panel    :  Plastic
Indications Power LED, Sleep LED,  Media Activity, Battery Charge, Caps Lock
Switch Power
Memory Address Map
Memory AddressSizeFunction
00000000-0009FFFF 640 KB  Base memory
000A0000-000BFFFF 128 KB Video memory
000C0000-000C9FFF 40 KB Video BIOS
000CA000-000CBFFF 8 KB I/O ROM
000E0000-000FFFFF 128 KB System BIOS
00100000-top limited
  04301000-04301FFF
  04302000-04302FFF
  0430000-04300FFFF--
  4 KB
  4 KB
  64 KBExtended (DIMM) memory
  PCMCIA...

24Chapter 1
3F0h-3F7 Standard Floppy Disk Controller
3E8-3EF COM3 or LT Win modem (optional)
3F0-3F7 Floppy disk controller
3F8-3FF COM1 
480-48F, 4D6  DMA controller-1
4D0-4D1
CF8-CFFPCI configuration register
IRQ Assignment Map
Interrupt ChannelFunction
NMI System errors
IRQ0 System timer
IRQ1 Keyboard
IRQ2 Cascade
IRQ3 R2 Card
IRQ4 COM1
IRQ5 Audio or LPT1 (optional)
IRQ6 Floppy
IRQ7 LPT1 or Audio (optional)
IRQ8 Real time clock
IRQ9 Card bus / ACPI / Modem
IRQ10 USB 
IRQ11 FIR
IRQ12 PS2 pointing...