Acer 1680 manual Hardware Specifications and Configurations, Processor, Second Level Cache

Hardware Specifications and Configurations

Processor

Item	Specification
CPU type	Intel Celeron M processor at 1.3GHz~1.4GHZ for Aspire 1410
	Intel Pentim M processor at 1.5GHz~1.6GHz (Dothan) for Aspire 1680
Core logic	Intel 855GME+ICH4
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 (the difference
	with Flash ROM?)
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-Aspire 1410
	2MB for Intel Pentium M processor at 1.5~1.6GHz (Dothan)-Aspire 1680
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
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
Supports DIMM package	200-pin soDIMM
Memory module combinations	You can install memory modules in any combinations as long as they
	match the above specifications.

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