Acer 2900 manual Audio Interface, Video Interface, Parallel Port, USB Port

Audio Interface

Item	Specification
Audio Controller	Realtek ALC202 AC97 Codec
Audio onboard or optional	Built-in
Mono or Stereo	Stereo
Resolution	20 bit stereo Digital to Analog converter
	18 bit stereo Analog to Ditial converter
Compatibility	AC97 2.2 & WHQL spec.
Mixed sound source	CD
Sampling rate	48 KHz
Internal microphone	No
Internal speaker / Quantity	Yes / 2

Video Interface

Item	Specification
Video vendor	ATI
Video name	M11P
Chip voltage	Core/1.2V
Supports ZV (Zoomed Video) port	No

Parallel Port

Item	Specification
Parallel port controller	SMC FDC47N217
Number of parallel port	One
Location	Rear side
Connector type	25-pin D-type connector, in female type
Parallel port function control	Enable/Disable/Auto (BIOS or operating system chooses configuration) by
	BIOS setup
	Note: Depending on your operating system, disabling an unused device
	may help free systen resources for other devices.
Supports ECP/EPP/Bi-directional	Yes (set by BIOS setup)
(PS/2 compatible)	Note: When Mode is selected as EPP mode, “3BCh” will not be available.
Optional ECP DMA channel (in BIOS	DMA channel 1
setup)
Optional parallel port I/O address (in	378h, 278h
BIOS setup)
Optional parallel port IRQ (in BIOS	IRQ7, IRQ5
setup)

USB Port

Item	Specification
USB compliancy level	2.0
OHCI	USB 2.0
Number of USB port	3
Location	Two on rear and one on left
Serial port function control	Enable/Disable by BIOS setup

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