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26 Chapter 1
Hardware Specifications and Configurations
Processor
Item Specification
CPU type
Intel
®
Celeron M processor at 1.3GHz~1.4GHZ for TravelMate 2300
Intel
®
Pentium M processor at 1.5GHz~1.6GHz (Dothan) for TravelMate
4000
Intel
®
Pentium M processor at 1.8GHz (Dothan) for TravelMate 4500
Core logic
Inte
I
®
855GME+ICH4 for TravelMate 4000/4500
Intel
®
852GM+ICH4 for TravelMate 2300
CPU package Intel socketable 478pin Micro-BGA
CPU core voltage 1.308V (highest frequency mode) to 0.956V (low frequency mode)
0.748V (deeper sleep mode)
BIOS
Item Specification
BIOS vendor Phneoix
BIOS Version 3A03
BIOS ROM type SST 39SF040A, 512KX8 CMOS Boot Block Flash Memory
BIOS ROM size 512KB
BIOS package 32-pin PLCC
Supported protocols ACPI 1.0b, PC Card 95, SM BIOS 2.3, IEEE1284-ECP/EPP, PCI 2.2, PnP
1.0a, DMI 2.0, PS/2 keyboard and mouse, USB 2.0, VGA BIOS, CD-ROM
bootable, IEEE 1394
BIOS password control Set by setup manual
Second Level Cache
Item Specification
Cache controller Built-in CPU
Cache size
512K for Intel
®
Celeron M processor at 1.3~1.4GHz-TravelMate 2300
2MB for Intel
®
Pentium M processor at 1.5~1.6GHz (Dothan)-TravelMate
4000
2MB for Intel
®
Pentium M processor at 1.8GHz (Dothan)-TravelMate 4500
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
Intel
®
855GME built-in (TravelMate 4000/4500);
Intel
®
852GM built-in (TravelMate 2300)
Memory size 0MB (no on-board memory)
DIMM socket number 2 sockets
Supports memory size per socket 1024MB
Supports maximum memory size 2G (by two 1024MB SO-DIMM module)
Supports DIMM type DDR Synchronous DRAM
Supports DIMM Speed 333 MHz
Supports DIMM voltage 2.5V and 1.25V