Acer 4230 manual Rpm, Combo Drive Module

	Item				Specifications
	Drive Format
	Disks		2, 2, 1	2, 1	2, 2, 1			2, 1	2, 1
	Spindle		5400	5400	5400			5400	5400
	speed
	(RPM)
	Performance Specifications
	Buffer size		8 MB	8 MB	8 MB			8 MB	8 MB
	Interface		SATA	SATA	SATA			SATA	SATA
	Internal		643 ~ 665	778	370 ~ 730			850 Mbits/s	850 Mbits/s
	transfer				typical			maximum	maximum
	rate (Mbits/
	sec, max)
	I/O data		1.5 / 3.0	300	300			150 maximum	300 maximum
	transfer
	rate
	(Mbytes/
	sec max)
	DC Power Requirements
	Voltage		5V ±5%	5V ±5%	5V ±5%			5V ±5%	5V ±5%
Combo Drive Module
Item					Specification
Manufacturer		Toshiba TS-L463A				Sony DL 24X CRX890S
and Model
Type		Drawer loading				Drawer loading
Interface		Serial ATA				Serial ATA
Data Transfer		Gen1i 1.33 Gbits / sec				•	Ultra DMA mode5
Mode						•	Multi-word DMA mode 2
						•	PIO mode 4
Buffer Memory		2 MB				2 MB
Size
Maximum Write		•	CD-Recordable 3,600 KB/sec			•	DVD: 8X (10.56 Mbytes/sec)
Speed		•	CD-Rewritable (Include 32X Ultra Speed			•	CD: 24X (3,600 Kbytes/sec)
			Plus) 3,600 KB/sec

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