Acer TravelMate -550, Service Manual

Page: 31 / 132

Chapter 1 23
Hardware Specifications and Configurations
Processor
Item Specification
CPU type Pentium III 1.0G/Pentium III 1.13G
CPU package FC-PGA package/FC-PGA2 package
CPU core voltage 1.75V/1.475V
CPU I/O voltage 1.25V/1.25V
BIOS
Item Specification
BIOS vendor Phoenix
BIOS Version 1.0
BIOS ROM type Flash ROM
BIOS ROM size 512KB
BIOS package TSOP
Supported protocols ACPI 1.0b,PC Card 95, SM BIOS 2.3, EPP/IEEE 1284, ECP/IEEE 1284
1.7 & 1.9, PCI 2.2, PnP 1.0a, DMI 2.0, PS/2 keyboard and mouse, USB,
VESA VGA BIOS, CD-ROM bootable,
BIOS password control Set by setup manual
Second Level Cache
Item Specification
Cache controller Built-in CPU
Cache size 128KB/512KB
1st level cache control Always enabled
2st level cache control Always enabled
Cache scheme control Fixed in write-back
System Memory
Item Specification
Memory controller Via Twister-T
Onboard memory size 128MB
DIMM socket number 1 sockets (2 banks)
Supports memory size per socket 512MB
Supports maximum memory size 640MB
Supports DIMM type Synchronous DRAM
Supports DIMM Speed 100MHz or 133 MHz
Supports DIMM voltage 3.3V
Supports DIMM package 144-pin soDIMM
Memory module combinations You can install memory modules in any combinations as long as they
match the above specifications.