Toshiba satellite a20 series Benutzerhandbuch

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.