Acer LT31 manual System Memory Specification, Hard Disk Drive Interface Specification

	Item					Specification
Features				• Support PCI bus at 33MHz
				• Supports four SATA ports, complying with the SATA 1.0a
					specification
				• 5 OHCI and 1 EHCI Host controllers to support 10 USB ports,
				•	audio
					• 4 Independent output stream(DMA).
					• 4 Independent input stream(DMA).
					• Up to 16 channels of audio output per stream.
					• Support up to 4 Codecs.
					• Up to 192Khz sample.
				•	IDE Controller
					• Single PATA Channel support.
					• Supports PIO, Multi-word DMA, and Ultra DMA 33/66/100/
					133.
				•	AC Link Interface
					• Support for both audio and modem Codecs.
					• 6/8 channel support on audio codec.
					• Power +3V,+1.2V, +3V_S5, +1.2V_S5, +1.8V, VCC_SB
				•	TDP:4W
System Memory
	Item					Specification
Memory size				Up to 2GB
DIMM socket number				1
Supports memory size per socket				2GB
Supports maximum memory size				2GB
Supports DIMM type				DDR2
Supports DIMM Speed				667MHz
Hard Disk Drive Interface
Item						Specification
Vendor &		Hitachi	Hitachi			Hitachi	Seagate	Seagate
Model Name		HTS543216L9	HTS545016B9			HTS545025B9	ST9160310AS	ST9160315AS
		SA00	A300			A300
Capacity (GB)		160	160			250	160	250
Bytes per		512	512			512	512	512
sector
Data heads		2	2			2	2	2
Drive Format
Disks		1	1			2	1	1
Spindle speed		5400	5400			5400	5400	5400
(RPM)
Performance Specifications
Buffer size		8 MB	8 MB			8 MB	8 MB	8 MB
Interface		SATA	SATA			SATA	SATA	SATA
Fast data		1500	3000			3000	3000	3000
transfer rate
(Mbits/sec,
max)

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