Toshiba satellite A20 series Maintenance Manual page 18

1 Hardware Overview
Wireless LAN (mini PCI Card slot)
In some models, a Mini PCI Card with wireless LAN functions is available as a
dealer-installed option.
The mini PCI Card for wireless LAN is compatible with other LAN systems based on
Direct Sequence Spread Spectrum radio technology that complies with the IEEE
802.11b or a/b. It supports data transfer up to 11 Mbit/s. It has Frequency Channel
Selection (2.4GHz) and allows roaming over Multiple channels. Modem + 802.11b
and modem mini PCI cards do not support wireless LAN.
PC Card Slot
A PC Card Slot accommodates two 5mm cards (Type II) or one 10.5mm (Type III)
card, which support the PC Card Standard Release 1997 cards and are ready for
advanced cards, including PC Card 16's multifunction cards and CardBus 32-bit cards.
SD Card Slot
The computer is equipped with an SD Card slot that can accommodate Secure Digital
flash memory cards with capacities of 8MB, 16MB, 32MB, 64MB and 256MB. SD
cards let the user easily transfer data from devices, such as digital cameras and
Personal Digital Assistants, that use SD Card flash-memory. The cards have a high-
level of security and copy protection features.
Sound system
This computer supports software sound (AC97 Audio). The sound system is equipped
with AC97 Audio, a CODEC chip, stereo speakers and jacks for headphone and
external microphone. The sound system is equipped with the following:
• Stereo speakers
• Volume control knob
• Headphone jack
• External microphone jack
• Line-in jack
Video out
This video-out mini-jack enables transfer of NTSC or PAL data (video and right/left
audio) to external devices such as a TV.
1-4 Satellite A20 Maintenance Manual (960-444)
1.1 Features