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Encyclopedia > Geode (processor)
National Semiconductor Geode GX1, 233 MHz
National Semiconductor Geode GX1, 233 MHz

Geode is a series of x86-compatible microprocessors and I/O companions produced by AMD targeted at the embedded computing market. Image File history File linksMetadata Download high-resolution version (893x878, 183 KB) Geode GX1. ... Image File history File linksMetadata Download high-resolution version (893x878, 183 KB) Geode GX1. ... x86 or 80x86 is the generic name of a microprocessor architecture first developed and manufactured by Intel. ... A microprocessor is a programmable digital electronic component that incorporates the functions of a central processing unit (CPU) on a single semiconducting integrated circuit (IC). ... Advanced Micro Devices, Inc. ... It has been suggested that Embedded System Design in an FPGA be merged into this article or section. ...


The series was originally launched by National Semiconductor as the Geode family in 1999. The original Geode processor core itself is derived from the Cyrix MediaGX platform, which was acquired in National's merger with Cyrix in 1997. AMD bought the Geode business from National in August 2003 to augment its existing line of embedded x86 processor products. AMD expanded the Geode series to two classes of processor: the MediaGX-derived Geode GX and LX, and the modern Athlon-derived Geode NX. Categories: Electronics companies of the United States | Companies based in California | Corporation stubs ... Cyrix corporate logo Cyrix was a CPU manufacturer that began in 1988 as a specialist supplier of high-performance math co-processors for 286 and 386 systems. ... Cyrix Media GX Microprocessor Introduced in 1997, the MediaGX CPU was an x86 processor manufactured by designed by Cyrix and manufactured by National Semiconductor. ... Athlon is the brand name applied to a series of different x86 processors designed and manufactured by AMD. The original Athlon, or Athlon Classic, was the first seventh-generation x86 processor and, in a first, retained the initial performance lead it had over Intels competing processors for a significant...


Geode processors are optimized for low power consumption and low cost while still remaining compatible with software written for the x86 platform. The MediaGX-derived processors lack modern features such as SSE and a large on-die L1 cache but these are offered on the more recent Athlon-derived Geode NX. Geode processors tightly integrate some of the functions normally provided by a separate chipset, such as the Northbridge. The processor family is best suited for thin client, set top box and embedded computing applications. SSE (Streaming SIMD Extensions, originally called ISSE, Internet Streaming SIMD Extensions) is a SIMD (Single Instruction, Multiple Data) instruction set designed by Intel and introduced in 1999 in their Pentium III series processors as a reply to AMDs 3DNow! (which had debuted a year earlier). ... Diagram of a CPU memory cache A CPU cache is a cache used by the central processing unit of a computer to reduce the average time to access memory. ... A chipset is a group of integrated circuits (chips) that are designed to work together, and are usually marketed as a single product. ... This article or section does not cite any references or sources. ... A HP T5700 thin client, with flash memory A Neoware m100 thin client. ... The term set-top box describes a device that connects to a television and some external source of signal, and turns the signal into content then displayed on the screen. ... It has been suggested that Embedded System Design in an FPGA be merged into this article or section. ...


The One Laptop per Child project originally used the GX series Geode processor in the $100 Laptop; but has since moved to the Geode LX. The Linutop is also based on the Geode LX. First working prototype of $100 laptop One Laptop Per Child is a non-profit organization set up to oversee the $100 laptop project. ... The $100 laptop is an education project for creating an inexpensive laptop computer intended to provide every child in the world access to knowledge and modern forms of education. ... The Linutop is a 9. ...


The SCxxxx range of Geode devices are a single-chip version, comparable to the SiS 552 or VIA CoreFusion, which integrate the CPU, memory controller, graphics and I/O devices into one package. Single processor boards based on these processors are manufactured by PC Engines (WRAP) and Soekris. Silicon Integrated Systems (SiS) is a company that manufactures, among other things, motherboards. ... A tiny mainboard based on VIA CoreFusion Luke. ... WRAP is an abbreviation of “Wireless Router Application Platform” . WRAP is a format of single board computer defined by a Swiss company called PC Engines . ... Soekris net4801 board Soekris net4801 case Soekris is a small embedded hardware platform, mainly sold for OEM markets. ...


These processors are named after geodes. Geode, halved and polished Geode, halved and polished Geodes (Greek geoides, earthlike) are geological rock formations which occur in sedimentary and certain volcanic rocks. ...

Contents

National Semiconductor Geode

Geode GXm

Cyrix MediaGXm clone. Returns "CyrixInstead" on CPUID. Cyrix Media GX Microprocessor Introduced in 1997, the MediaGX CPU was an x86 processor manufactured by designed by Cyrix and manufactured by National Semiconductor. ... The CPUID opcode is an instruction (its name derived from CPU IDentification) for the x86 architecture. ...

  • MediaGX-derived core
  • 0.35μ four layer metal CMOS
  • MMX instructions
  • 3.3V I/O, 2.9V core
  • 16Kb write-back unified L1 cache
  • PCI controller
  • 64-bit SDRAM memory
  • CS5530 companion chip (implements sound and video functions)
  • VSA architecture
  • 1280x1024x8 or 1024x768x16 display

MMX is a SIMD instruction set designed by Intel, introduced in 1997 in their Pentium MMX microprocessors. ...

Geode GXLV

  • MediaGX-derived core
  • 0.25μ four layer metal CMOS
  • 3.3V I/O
  • 2.2V, 2.5V, 2.9V core
  • 16Kb write-back unified L1 cache
  • Fully static design
  • 1.0W @2.2V/166 MHz, 2.5W @2.9V/266 MHz

Geode GX1

  • MediaGX-derived core
  • 0.18μ CMOS
  • 200 - 333 MHz
  • 1.6 - 2.2V core
  • 16K L1 cache
  • 0.8W - 1.2W typ.
  • SDRAM memory 111 MHz
  • CS5530A companion chip
  • 85 Hz VGA refresh rate

National Semiconductor/AMD SC1100 is based on the Cyrix GX1 core and the CS5530 support chip. This article or section does not cite any references or sources. ...


Geode GX2

Announced by National Semiconductor Corporation October, 2001 at Microprocessor Forum. First demonstration at Computex Taiwan, June, 2002.

  • 0.15μ process technology
  • MMX and 3DNow!™ instructions
  • 16K Instruction and 16K Data caches
  • GeodeLink architecture, 6 GB/s on-chip bandwidth, up to 2 GB/s memory bandwidth
  • Integrated 64-bit PC133 SDRAM and DDR266 controller
  • Clockrate: 266, 333 and 400 MHz
  • 3 PCI masters supported
  • 1600x1200x24 bit display with video scaling
  • CRT DACs and an UMA DSTN/TFT controller.
  • Geode CS5535 companion chip

MMX is a SIMD instruction set designed by Intel, introduced in 1997 in their Pentium MMX microprocessors. ... The first 3DNow! CPU 3DNow! is the name of a multimedia extension created by AMD for its processors, starting with the K6-2 in 1998. ...

AMD Geode

AMD Geode logo

In 2002, AMD introduced the Geode GX series, which was a re-branding of the National Semiconductor GX2. This was quickly followed by the Geode LX, running up to 667 MHz. LX brought many improvements, such as higher speed DDR, a re-designed instruction pipe, and a more powerful display controller. The upgrade from the CS5535 I/O Companion to the CS5536 brought higher speed USB. Image File history File links AMD_Geode_Processor_Logo. ... Image File history File links AMD_Geode_Processor_Logo. ...


Geode GX and LX processors are typically found in devices such as thin clients and industrial control systems. However they have come under competitive pressure from VIA on the x86 side, and ARM and XScale taking much of the low-end business. A Thin client is a computer (client) in client-server architecture networks which has little or no application logic, so it has to depend primarily on the central server for processing activities. ... VIA Technologies logo VIA Technologies is a Taiwanese manufacturer of integrated circuits, mainly motherboard chipsets, CPUs, and memory, and is part of the Formosa Plastics Group. ... The ARM architecture (previously, the Advanced RISC Machine, and prior to that Acorn RISC Machine) is a 32-bit RISC processor architecture developed by ARM Limited that is widely used in a number of embedded designs. ... The XScale, a microprocessor core, is Marvells (formerly Intels) implementation of the 5th generation of the ARM architecture, and consists of several distinct families: IXP, IXC, IOP, PXA and CE (see more below). ...


Because of the relatively poor performance of the GX and LX core design, AMD introduced the Geode NX, which is an embedded version of the highly-successful Athlon processor, K7. Geode NX uses the Thoroughbred core, with 256KB of Level 2 cache, and runs fanless at up to 1 GHz in the NX1500@6W version. The NX1750 part runs at 1.4 GHz, and the NX1250 runs at 667 MHz. Athlon is the brand name applied to a series of different x86 processors designed and manufactured by AMD. The original Athlon, or Athlon Classic, was the first seventh-generation x86 processor and, in a first, retained the initial performance lead it had over Intels competing processors for a significant...


The Geode NX, with its strong FPU, is particularly suited for embedded devices with graphical performance requirements, such as information kiosks and casino gaming machines, such as video slots. This article or section does not adequately cite its references or sources. ...


However, it was reported that the specific design team for Geode processors in Longmont, Colorado has been closed, and 75 employees are being relocated to the new development facility in Fort Collins, Colorado. It is expected that the Geode line of processors will be updated less frequently due to the closure of the Geode design center [1]. The City of Longmont is a home rule municipality located in Boulder County and Weld County, Colorado, United States. ... The City of Fort Collins, a home rule municipality situated on the Cache la Poudre River along the Colorado Front Range, is the county seat and most populous city in Larimer County, Colorado. ...


Geode GX

  1. Geode GX 466@0.9W: clock speed: 333 MHz
  2. Geode GX 500@1.0W: clock speed: 366 MHz
  3. Geode GX 533@1.1W: clock speed: 400 MHz

Geode LX

  1. LX 900@1.5W: clock speed: 667 MHz, with power consumption: 2.6 watts. (TDP 5.1 W)
  2. LX 800@0.9W: clock speed: 500 MHz, with power consumption: 1.8 watts. (TDP 3.6 W)
  3. LX 700@0.8W: clock speed: 433 MHz, with power consumption: 1.3 watts. (TDP 3.1 W)

Feature:

  • Low power.
  • Full compatibility with x86, Linux, Windows.
  • Processor functional blocks:
    • CPU Core
    • GeodeLink™ Control Processor
    • GeodeLink Interface Units
    • GeodeLink Memory Controller
    • Graphics Processor
    • Display Controller
    • Video Processor
    • Video Input Port
    • GeodeLink PCI Bridge
    • Security Block

Specification: In cryptography, the Advanced Encryption Standard (AES), also known as Rijndael, is a block cipher adopted as an encryption standard by the U.S. government. ...

  • Processor frequency up to 667 MHz (LX900), 500 MHz (LX800) and 433 MHz (LX700).
  • Power management: ACPI, lower power, wakeup on SMI/INTR.
  • 64K Instruction / 64K Data L1 cache and 128K L2 cache
  • Split Instruction/Data cache/TLB.
  • DDR Memory 400 MHz (LX 800), 333 MHz (LX 700)
  • Integrated FPU with MMX® and 3DNow!
  • 9 GB/s internal GeodeLink™ Interface Unit (GLIU)
  • Simultaneous, high-res CRT and TFT (High and standard definition). VESA 1.1 and 2.0 VIP/VDA support
  • Manufactured at a 0.13 micron process
  • 481-terminal PBGA (Plastic Ball Grid Array)
  • GeodeLink active hardware power management

A Translation Lookaside Buffer (TLB) is a cache in a CPU that is used to improve the speed of virtual address translation. ... MMX is a SIMD instruction set designed by Intel, introduced in 1997 in their Pentium MMX microprocessors. ... The first 3DNow! CPU 3DNow! is the name of a multimedia extension created by AMD for its processors, starting with the K6-2 in 1998. ...

Geode NX

  1. NX 1250@6W: Clock speed: 667 MHz, power consumption: 9 watts.
  2. NX 1500@6W: Clock speed: 1 GHz, power consumption: 9 watts.
  3. NX 1750@14W: Clock speed: 1.4 GHz, power consumption: 25 watts.
  4. NX 2001@25W: Clock Speed: 2.2 GHZ, power consumption: 40 watts.

Feature:

  • 7th generation core (based on Mobile Athlon XP-M).
  • Power management: AMD PowerNow!™, ACPI 1.0b and ACPI 2.0.
  • 128KB L1 cache.
  • 256KB L2 cache with hardware data prefetch
  • 133 MHz Front Side Bus (FSB)
  • 3DNow!™, MMX® and SSE instruction sets
  • 0.13µm fabrication process
  • Pin compatibility between all NX family processors.
  • OS support: Linux, Windows CE, MS Windows XP.

Athlon is the brand name applied to a series of different x86 processors designed and manufactured by AMD. The original Athlon, or Athlon Classic, was the first seventh-generation x86 processor and, in a first, retained the initial performance lead it had over Intels competing processors for a significant...

Chipsets for Geode

  1. AMD Geode CS5330A Southbridge for Geode GX1.
  2. AMD Geode CS5535 Southbridge for Geode GX and Geode LX (USB 1.1). Integrates four USB ports, one ATA-66 UDMA controller, one Infrared communication port, one AC97 controller, one SMBUS controller, one LPC port, as well as GPIO, Power Management, and legacy functional blocks.
  3. AMD Geode CS5536 Southbridge for Geode GX and Geode LX (USB 2.0). Power consumption: 1.9W (433 MHz) and 2.4W (500 MHz). This chipset is also used on PowerPC board (Amy'05).
  4. Geode NX processors are "100 percent socket and chipset compatible" with AMD's "Socket A" Athlon XP processors: SIS741CX Northbridge and SIS 964 Southbridge, VIA KM400 Northbridge and VIA VT8235 Southbridge, VIA KN400A Northbridge and VIA VT8237R Southbridge.

AC97 (short for Audio Codec 97) is Intel Corporations Audio Codec standard developed by the Intel Architecture Labs in 1997, and used mainly in motherboards (also known as on-board or integrated), modems, and sound cards. ... The System Management Bus (abbreviated to SMBus or SMB) is a simple two-wire bus used for communication with low-bandwidth devices on a motherboard, especially power related chips such as a laptops rechargeable battery subsystem (see Smart Battery Data). ... The Low Pin Count bus, or LPC bus, is used on PC-style personal computers to connect low-bandwidth devices to the CPU, such as the boot ROM, the legacy I/O devices (behind a Super I/O chip), and audio controllers. ...

See also

// PC/104 PC/104 (or PC104) is an embedded computer standard controlled by the PC/104 Consortium, that defines both a form factor and computer bus. ... Cyrix Media GX Microprocessor Introduced in 1997, the MediaGX CPU was an x86 processor manufactured by designed by Cyrix and manufactured by National Semiconductor. ... Released in August 1995, four months before the more famous Cyrix 6x86, the Cyrix Cx5x86 was the fastest CPU ever produced for Socket 3 computer systems. ... Photo of the 3Com Audrey. ... The Virgin Webplayer is a discontinued internet appliance from Virgin Group. ... The Linutop is a 9. ... WRAP is an abbreviation of “Wireless Router Application Platform” . WRAP is a format of single board computer defined by a Swiss company called PC Engines . ... Soekris net4801 board Soekris net4801 case Soekris is a small embedded hardware platform, mainly sold for OEM markets. ...

External links

  • AMD pages for Geode
  • National Semiconductor press release: Cyrix -> VIA, MediaGX -> Geode
  • National Semiconductor press release: Geode sold to AMD
  • CPU-INFO: Cyrix MediaGX, indepth processor history
  • Voltage and P State information for Geode NX
  • Quixant QX-10 Geode NX Motherboard for gaming applications
  • Soekris Engineering sells embedded boards with Geode processors
  • PC Engines ALIX another embedded board with Geode LX processor
  • CM-iGLX the smallest Computer On Module based on Geode LX
  • Artec Group manufactures products based on the Geode such as the ThinCan.
  • Troika NG PowerPC board using CS5536.

ThinCan is the name for a thin client manufactured by Estonian electronic design start-up Artec Group. ...

Linux on Geode

Linux Terminal Server Project (LTSP) is an add-on package for Linux that allows many people to simultaneously use the same computer. ... The Linutop is a 9. ... ThinCan is the name for a thin client manufactured by Estonian electronic design start-up Artec Group. ...

NetBSD on Geode

  • Wasabi Systems Certified NetBSD port and NAS software

 
 

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