Acer Travelmate 280 Service Guide

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(*9) Disk: ODSC-PARA
Combo Drive Interface
ItemSpecification
Vendor & model name KME UJDA740
Performance Specification
Transfer rate (KB/sec) Read Sustained:
           DVD-ROM  MAX 8X CAV (MAX 10800 KB/sec)
           CD-ROM    MAX 24X CAV (MAX 3600 KB/sec)
Write:
           CD-R          4X, 8X (CLV), Max 16X, MAX 24X (ZCLV)
           CD-RW       4X (CLV)
           HS-RW       4X,8X, 10X (CLV)
ATAPI Interface:
           PIO mode  16.6 MB/sec :PIO Mode 4
           DMA mode 16.6...

Chapter 124
  
 
Supports PnP DMA channel DMA channel 0
DMA channel 1
Supports PnP IRQ IRQ10, IRQ11
Video Interface
ItemSpecification
Vendor & Model Name Intel 845GL
Chip voltage Core / 2.5V, 1.5V, 1.8V
Supports ZV (Zoomed Video) port NO
Graph interface  4X AGP (Accelerated Graphic Port) Bus
Maximum resolution (LCD) 1024 x768 (32bit colors)
Maximum resolution (CRT) 1024x768 (32 bit colors)
1280x1024 (32 bit colors)
1600x1200 (32 bit colors)
Video Memory
ItemSpecification
Fixed or upgradeable Fixed, share...

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  USB Port
ItemSpecification
USB Compliancy Level 2.0
OHCI USB 2.0
Number of USB port 2
Location Rear side
Serial port function control Enable/Disable by BIOS Setup
PCMCIA Port
ItemSpecification
PCMCIA controller O2-Micro Cardbus Controller OZ6912T-U
Supports card type Type III
Number of slots One type III
Access location Left side
Supports ZV (Zoomed Video) port Yes
Supports 32 bit CardBus  Yes (IRQ17)
Keyboard
ItemSpecification
Keyboard controller Mitsubishi M38857
Keyboard...

Chapter 126
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.
.
Normal charge (charge while system...

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AC Adapter
ItemSpecification
Vendor & model name Delta ADP-65DB
Input Requirements
Maximum input current (A, 
@90Vac, full load)1.5 A @ 110Vac
1.0 A @ 240Vac
Nominal frequency (Hz) 50-60
Frequency variation range (Hz) 47-63
Input voltage range (Vrms) 90-270
Inrush  current The maximum inrush current will be less than 50A and 100A when the adapter 
is connected to 115Vac and 230Vac respectively.
Efficiency  It should provide an efficiency of 80% minimum, when measured at maximum...

Chapter 128
 
Power Management 
Power Saving ModePhenomenon
Standby Mode
Enter Standby Mode when
1.Standby/Hibernation hot-key is pressed 
and system is not ready to enter Hibernation 
mode.
2.System standby/ Hibernation timer expires 
and system is not ready to enter Hibernation 
mode.

The buzzer beeps
The Sleep indicator lights up
Hibernation Mode
Enter Hibernation Mode (suspend to HDD) 
when
1.Hibernation hot-key is pressed and 
system is ready to enter Hibernation mode
2.System Hibernation timer...

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I/O Ports One type III PCMCIA (PC Card) port, one RJ-11 port, one RJ-45 port, one DC-in 
port, one ECP parallel port, four USB ports (two optional), two IEEE 1394 ports 
(optional)one line-in jack, one line-out jack, one speaker/headphone-out jack, one 
VGA port /I
2 C compatible (optional).
Drive Bays One
Material Plastic
Indicators Power-on, Standby, Battery Status, Media Access, CapsLock and NumLock
Switch Power
Memory Address Map
Memory AddressSizeFunction
00000000-0009FFFF 640...

Chapter 130
00000081-0000008F Direct memory access controller
00000090-0000009F Motherboard resources
000000A0-000000A1 Programmable interrupt controller
000000A4-000000A5 Motherboard resources
000000A8-000000A9 Motherboard resources
000000AC-000000AD Motherboard resources
000000B0-000000B5 Motherboard resources
000000B8-000000B9 Motherboard resources
000000BC-000000BD Motherboard resources
000000C0-000000DF Direct memory access controller
000000F0-000000FE Numeric data processor
00000170-00000177...

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NOTE: IRQ settings may be changed by OS IRQ Assignment Map
Interrupt ChannelFunction
NMI System errors
IRQ0 System timer
IRQ1 Keyboard
IRQ6 Floppy
IRQ8 Real time clock
IRQ9 Microsoft ACPI-Compliant System
IRQ11 Intel (R) 82801DB/DBM SMBus Controller-24C2
IRQ12 Synaptics PS2 pointing device
IRQ13 Numeric data processor
IRQ14 1st IDE device  
IRQ15 2nd IDE device 
IRQ16 Intel (R) 82801DB/DBM USB Universal Host Controller-24C2
IRQ16 Intel (R) 845G Graphics Controller
IRQ17 Agere...

Chapter 132