The SIMpad is a portable

computer A computer is a machine that can be programmed to Execution (computing), carry out sequences of arithmetic or logical operations (computation) automatically. Modern digital electronic computers can perform generic sets of operations known as C ...

developed by the company Keith & Koep by order of Siemens AG, with an 8.4" TFT touchscreen. Commonly used with wireless network cards, it was marketed as a device to browse the World Wide Web. Initially announced in January 2001 at the

Consumer Electronics Show CES (; formerly an initialism for Consumer Electronics Show) is an annual trade show organized by the Consumer Technology Association (CTA). Held in January at the Las Vegas Convention Center in Winchester, Nevada, United States, the event typi ...

There are five known model variants, all out of production: *CL4: The low-end model with 32 MB RAM and 16 MB Flash ROM without

PC card In computing, PC Card is a configuration for computer parallel communication peripheral interface, designed for laptop computers. Originally introduced as PCMCIA, the PC Card standard as well as its successors like CardBus were defined and devel ...

slot but with DECT modem. *WP50: A variant sold by

Swisscom Swisscom AG is a major telecommunications provider in Switzerland. Its headquarters are located in Ittigen near Bern. The Swiss government owns 51.0 percent of Swisscom AG. According to its own published data, Swisscom holds a market share of 56 ...

. Same as the CL4. *T-Sinus Pad: A variant sold by

Deutsche Telekom Deutsche Telekom AG (; short form often just Telekom, DTAG or DT; stylised as ·T·) is a German telecommunications company that is headquartered in Bonn and is the largest telecommunications provider in Europe by revenue. Deutsche Telekom was ...

. This one is the same as the CL4 but with a PC card slot. *SL4: The high end model, with 64 MB RAM and 32 MB Flash ROM. This one also has a PC card slot. *SLC: Identical to the SL4, but with the addition of a Siemens MD34 DECT modem, allowing connection to certain Siemens ISDN telephone systems. All variants contain: *An Intel StrongARM#SA-1110 SA-1110 32-bit

RISC In computer engineering, a reduced instruction set computer (RISC) is a computer designed to simplify the individual instructions given to the computer to accomplish tasks. Compared to the instructions given to a complex instruction set comput ...

processor with a clock frequency of 206 MHz *An 8.4" TFT LCD with an SVGA resolution (800×600 pixels) *4-wire analog resistive touch interface *A single 16-bit

slot (not included in some CL4 models designed to use the Siemens MD34 DECT module) *A standard ISO/IEC 7816 SmartCard interface *A USB 1.1 client interface (not fully functional in production releases, but see Mullenger.org below) *An IrDA interface (V1.3, SIR) *A serial interface (proprietary Siemens "Lumberg" socket) *A 7.2 V 2800 mA·h Lithium Ion Battery (~4hr life) *A built-in mono speaker *A built-in microphone (not on CL4 models) *A headphone interface (proprietary Siemens "Lumberg" socket) All devices weigh approximately 2.2 lb (1 kg) and measure 10.35 × 7.08 × 1.10 inches (263 mm ×181 mm × 30 mm). The SIMpad was initially released with the Handheld PC 2000 ( Windows CE 3.0) operating system, while later units (mostly SL4 and SLC) were released with Windows CE.NET (Windows CE 4.0). Since the SIMpad was discontinued in 2002, all manufacturer support was also discontinued. Th
OpenSIMpad
project offers a SIMpad related Wiki where one can find information about Linux, Windows CE, hardware and mods.

External links

Developer's homepage
{{Siemens Portable computers Embedded Linux Siemens