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1.1 Features 1 Hardware Overview
Display
The following displays are available:
14.1-inch XGA TFT screen, 1,024×768 pixels, 16M colors •
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15.0-inch XGA TFT screen, 1,024×768 pixels, 16M colors
15.0-inch SXGA+ TFT screen, 1,400×1,050 pixels, 16M colors
A video controller contained on the north bridge and 4MB, 8MB, 16MB or
32MB of SMA VRAM enable an external monitor with an RGB cable to display
64k colors at a resolution of 1,600 x 1,200 pixels.
Batteries
The computer has two batteries: a lithium-ion main battery pack and RTC battery
(that backs up the Real Time Clock and CMOS memory).
Slot for optional memory
Two DDR-SDRAM (PC2100) slots are available for 128MB, 256MB, 512MB and
1GB memory modules, consisting of SDRAM chips.
Universal Serial Bus (USB)
The computer comes with three USB 2.0 ports that comply with Enhanced Host
Controller Interface (EHCI) and Open Host Controller Interface (OHCI). The USB
enables daisy-chain connection of up to 127 USB-equipped devices and 480Mbps
serial data transfer. It is designed for easy configuration by a Plug-and-Play operating
system and provides hot insertion/ejection capability.
Infrared port
The infrared port is compatible with Fast InfraRed (FIR) standards enabling cableless
1.15 Mbps, 4 Mbps, 115.2 kbps, 57.6 kbps, 38.4 kbps, 19.2 kbps or 9.6 kbps data
transfer with Infrared Data Association (IrDA) 1.1 compatible external devices.
Internal LAN
The computer is equipped with LAN circuits that support Ethernet LAN (10 megabits
per second, 10BASE-T) and Fast Ethernet LAN (100 mega bits per second, 100
BASE-Tx). It also supports Wakeup on LAN (WOL) and Magic Packet.
Satellite A20 Maintenance Manual (960-444) 1-3