Toshiba Satellite P30 Maintenance Manual page 18

1 Hardware Overview
Universal Serial Bus (USB)
The computer comes with three USB ports that comply with Universal Host Controller
Interface (UHCI). The USB enables daisy-chain connection of up to 127 USB-equipped
devices. It is designed for easy configuration by a Plug-and-Play operating system and
provides hot insertion/ejection capability.
Parallel port
A 25-pin parallel port enables connection of a printer or other parallel device. The port
supports Extended Capabilities Port (ECP) conforming to IEEE-1284 and is Enhanced
Parallel Port (IEEE 1284) compliant. It features ChiProtect circuitry for protection against
damage due to printer power-on.
External monitor port
A 15-pin CRT port supporting DDC 2B enables connection of an external monitor, which
is recognized automatically by Video Electronics Standards Association (VESA) Display
Data Channel (DDC) compatible functions.
Sound system
A Cirrus logic ALC250 for AC97 codec audio subsystem offers industry leading mixed
signal technology to enhance the computer's multimedia capability. The sound system is
equipped with stereo speakers and jacks for headphone and external microphone.
TV-out port
This video-out mini-jack enables transfer of NTSC or PAL data (video and right/left
audio) to external devices such as a TV.
LAN port
The computer comes with an RJ-45 Local Area Network (LAN) port. The LAN port
provides connectivity for LAN.
Programmable buttons
When system is off, pressing this button will turn on CD Playback mode. Pressing this
button again will turn off CD Playback mode. When system is turned on, pressing this
button will launch the program which you defined with Programmable Button utility.(The
default setting is Windows Media Player)
1-4 Satellite P30 Series Maintenance Manual
1.1 Features