Acer Aspire 1450 Service Guide

Chapter 123
 
NOTE: Above table lists some system memory configurations. You may combine DIMMs with various 
capacities to form other combinations. On above  table, the configuration of slot 1 and slot 2 could be 
reversed.
Memory Combinations
Slot 1Slot 2Total Memory
0MB 256MB 256MB
0MB 512MB 512MB
0MB 1024MB 1024MB
256MB 256MB 512MB
256MB 512MB 768MB
256MB 1024MB 1280MB
512MB 256MB 768MB
512MB 512MB 1024MB
512MB 1024MB 1536MB
1024MB 256MB 1280MB
1024MB 512MB 1536MB
1024MB 1024MB 2048MB
LAN Interface...

24Chapter 1
Data throughput 11M bps
Protocol 802.11g
Interface Mini-PCI type II
Four-in-One Card Reader
ItemSpecification
Chipset M220V0315
Data throughput USB 1.1
Protocol SMC, MS, MMC, and SD
Hard Disc D rive Interface
Item
Vendor & 
Model NameHGST MORAGA 
IC25N030ATMR04
TOSHIBA MK3021GASHGST MORAGA 
IC25N040ATMR04
TOSHIBA MK4025GASHGST MORAGA 
IC25N060ATMR04
TOSHIBA MK6021GAS
Capacity 
(MB)30000 40000 60000
Bytes per 
sector512 512 512
Data heads 2 2 for HGST
3 for TOSHIBA3 for HGST
4 for TOSHIBA...

Chapter 125
Transfer rate (KB/sec) Sustained:
Max 3.6Mbytes/secSustained:
Max 11.08Mbytes/sec for MKE
Max 10.56Mbytes/sec for QSI
Data Buffer Capacity 256 KBytes for MKE
Interface IDE/ATAPI (compliant to ATA/ATAPI-5) 
Applicable disc format KME-
DVD: DVD-ROM (DVD-5, DVD-9, DVD-10), DVD-R (3.95G/4.7G), DVD-RAM 
(2.6G/4.7G), DVD-RW
CD: CD-Audio, CD-ROM (mode 1 and mode 2), CD-ROM XA (mode 2, form 1 
and form 2), CD-I (mode 2, form 1 and form 2), CD-I Ready, CD-I Bridge, CD-
WO, CD-RW, Photo CD, Video CD...

26Chapter 1
Audio Interface
ItemSpecification
Audio Controller Realtek ALC202
Audio onboard or optional Built-in
Mono or Stereo Stereo
Resolution 20 bit stereo Digital to analog converter
18 bit stereo Analog to Ditial converter
Compatibility AC97
Mixed sound source Line-in, CD
Voice channel 8/16-bit, mono/stereo
Sampling rate 44,1 KHz (48K byte for AC97 interface)
Internal microphone Yes
Internal speaker / Quantity Yes/2
Supports PnP IRQ IRQ10
Speakers
ItemSpecification
Number of speaker 2
Rating 1W,...

Chapter 127
 
Supports ECP/EPP/Bi-directional/Output only 
(PS/2 compatible) Yes (set by BIOS setup)
Note: When Mode is selected as EPP mode, “3BCh” will not be 
available.
Optional ECP DMA channel (in BIOS Setup) DMA channel 3 
Optional parallel port I/O address (in BIOS 
Setup)378h, 278h, 3BCH
Optional parallel port IRQ (in BIOS Setup) IRQ7, IRQ5
USB Port
ItemSpecification
Chipset VIA VT8235
USB Compliancy Level 2.0
OHCI USB 2.0
Number of USB port 4
Location Left side
Serial port function control...

28Chapter 1
 
MODEM South bridge/VIA VT8235
Blue tooth South bridge/VIA VT8235
Wireless 802.11g BCM4306KFB
PCMCIA TI PCI1410
Audio RealTek ALC202
Four-in-one card reader M220V0315
Touchpad Synaptics TM41P-353
IR Vishay TFU6102F
Ke y b o a r d
ItemSpecification
Keyboard controller NS 87570 C4
Keyboard vendor & model name DARFON
Total number of keypads 84/85 key
Windows logo key Yes
Internal & external keyboard work 
simultaneouslyNo
Note: Inter nal and exter nal keyboard can not work 
simultaneously by...

Chapter 129
Response time(msec) Rising: 24 (Typ.) 15 
(Max.)
Falling: 11 (Typ.) 30 
(Max.)Rising: 30 (Typ.) 50 
(Max.)
Falling: 30 (Typ.) 50 
(Max.)Rising: 10 (Typ.) 20 
(Max.)
Falling: 20 (Typ.) 30 
(Max.)
Limuinance, white, 5P 
(cd/m
2)180 (5 points average) 180 (5 points average) 150 (5 points average)
Brightness control keyboard hotkey keyboard hotkey keyboard hotkey
Contrast control No No No
Electrical Specification
Supply voltage for LCD 
display (V)3.3 3.3 3.3
AC Adaptor
ItemSpecification
Model...

30Chapter 1
020-021 Interrupt controller-1
040-043 Timer 1
060, 064 Keyboard controller 87570 chip select
061 System speaker
000-00F DMA controller-1
020-021 Interrupt controller-1
040-043 Timer 1
060, 064 Keyboard controller NS87591 chip select
070-073 Real-time clock and CMOS
0A0-0A1 Interrupt controller-2
0C0-0DF DMA controller-2
066, 062 ACPI EC interface (NS87591)
170-177 Secondary IDE channel
1F0-1F7 Primary IDE channel
378, 37F Parallel port
3B0-3BB
3C0-3DFVGA I/O adress
CF8-CFF PCI configuration...

Chapter 231
BIOS Setup Utility
The BIOS Setup Utility is a hardware configuration program built into your computer’s BIOS (Basic Input/
Output System).
Your computer is already properly configured and optimized, and you do not need to run this utility. However, if 
you encounter configuration problems, you may need to run Setup.  Please also refer to Chapter 4 
Troubleshooting when problem arises.
To activate the BIOS Utility, press 
m during POST (when “Press  to enter Setup” message is prompted 
on the...

32Chapter 2
Navigating the BIOS Utility
There are six menu options: Info., Main, System Devices, Security, Boot, and Exit.
Follow these instructions:
TTo choose a menu, use the cursor left/right keys (zx).
TTo choose a parameter, use the cursor up/down keys ( wy).
TTo change the value of a parameter, press por q.
TA plus sign (+) indicates the item has sub-items. Press e to expand this item.
TPress ^ while you are in any of the menu options to go to the Exit menu.
TIn any menu, you can load default...