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Embedded PC platforms |
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Instead of using a combination of CPU and chipset, PC Engines prefers
single-chip embedded x86 processors.
* Less board space
* Lower power consumption
* Reduced development time and risk
* Lower overall cost
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AMD Elan
SC520 |
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Status: not recommended for new designs |
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CPU: 486 core, 100 or 133 MHz, 16KB cache |
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DRAM: 32 bit wide SDRAM, up to 256 MB |
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PCI: up to five masters |
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ISA: some limitations on IRQ / DMA lines |
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I/O: 2 serial ports |
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RTC: internal |
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GPIO: some programmable chip selects, some digital I/O |
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BIOS: tinyBIOS support available |
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PC Engines experience: Hardware + BIOS |
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AMD SC1100 |
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Status: EOL (did lifetime buy to extend WRAP production) |
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CPU: 5x86 core, 200 to 266 MHz, 16KB cache |
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DRAM: 64 bit wide SDRAM, up to 512 MB |
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PCI: up to four masters, 3.3V |
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LPC: available |
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ISA: limited subset |
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I/O: 1 serial ports, 1 IR port |
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RTC: internal |
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GPIO: some digital I/O |
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Video: none |
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Audio: AC97 interface (waveform audio) |
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BIOS: tinyBIOS support available |
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PC Engines experience: Hardware + BIOS, see WRAP |
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AMD Geode SC1200 |
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Status: discontinued |
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CPU: 5x86 core, 200 to 300 MHz, 16KB cache |
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DRAM: 64 bit wide SDRAM, up to 256 MB |
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PCI: up to two masters |
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LPC: available |
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ISA: limited subset |
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I/O: 3 serial ports (one full, others limited) |
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RTC: internal |
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GPIO: some digital I/O |
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Video: VGA, TV, TFT (linear frame buffer with BitBlt) |
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Audio: AC97 interface (waveform audio) |
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BIOS: tinyBIOS support available |
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PC Engines experience: Hardware + BIOS |
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AMD
Geode LX |
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Status: production |
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CPU: new 32 bit core, 433 or 500 MHz |
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DRAM: 64 bit wide DDR SDRAM |
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PCI: up to 2 masters |
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LPC: available |
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ISA: none |
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I/O: (in companion chip) 1 serial port, infrared, 4x USB 2.0, IDE ATA66,
I2C, NAND flash |
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RTC: internal |
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GPIO: few |
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Video: VGA, TFT (linear frame buffer with BitBlt) |
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Audio: AC97 interface (waveform audio) |
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BIOS: tinyBIOS support available (non video) |
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PC Engines experience: Hardware + BIOS, see ALIX |
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RDC R8610 |
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Status: active |
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CPU: 486 core, no floating point, 133 MHz, 16KB cache (write through,
direct mapped) |
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DRAM: 16 or 32 bit wide SDRAM, up to 128 MB |
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PCI: up to three masters |
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ISA: limited X-Bus |
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LPC: flash + I/O support |
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I/O: 1 serial port, 2 10/100 Ethernet MAC, USB 2.0 (two channels) |
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RTC: external |
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GPIO: up to 58 GPIO |
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BIOS: N/A |
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PC Engines experience: N/A |
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SIS 55x |
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Status: EOL |
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CPU: Rise MP6 "Pentium class", 200 to 250 MHz, 8K I-Cache + 8K D-Cache |
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DRAM: 64 bit wide SDRAM, up to 1GB |
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PCI: up to 3 masters |
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LPC: yes |
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ISA: no |
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I/O: PS/2 keyboard / mouse, infrared, 3 USB 1.1, IDE ATA100,
memory stick, smart card, parallel port |
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RTC: internal |
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GPIO: 16 (multiplexed) |
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Video: VGA, LCD (AGP based accelerator), DVD support |
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Audio: AC97 interface (with sound accelerator) |
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BIOS: LinuxBIOS available |
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PC Engines experience: no |
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STPC Consumer II |
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Status: EOL |
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CPU: 486 core, up to 133 MHz, 8KB cache |
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DRAM: 64 bit wide SDRAM, up to 128 MB (no support for 256 Mbit parts) |
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PCI: up to three masters |
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ISA: full IRQ / DMA lines (external glue logic required) |
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I/O: IDE interface |
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RTC: external |
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Video: VGA, TV |
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GPIO: minimal |
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BIOS: tinyBIOS support available |
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Notes: high component count for strap options. |
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PC Engines experience: Hardware + BIOS |
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STPC Elite |
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Status: EOL |
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CPU: 486 core, up to 133 MHz, 8KB cache |
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DRAM: 64 bit wide SDRAM, up to 128 MB (no support for 256 Mbit parts) |
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PCI: up to three masters |
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ISA: full IRQ / DMA lines (external glue logic required) |
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I/O: IDE interface |
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RTC: external |
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GPIO: some I/O lines |
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BIOS: tinyBIOS support available |
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Notes: high component count for strap options. |
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PC Engines experience: Hardware + BIOS |
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STPC Atlas |
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Status: EOL |
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CPU: 486 core, up to 120 MHz (133 MHz announced), 8KB cache |
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DRAM: 64 bit wide SDRAM, up to 128 MB (no support for 256 Mbit parts) |
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PCI: up to three masters |
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ISA: full IRQ / DMA lines (external glue logic required) |
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PC Card: yes (multiplexed) |
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I/O: 2 serial, 1 parallel, 2 USB, IDE interface, PS/2 keyboard / mouse |
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RTC: external |
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Video: VGA, TFT |
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GPIO: some, I2C |
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BIOS: tinyBIOS support available |
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Notes: high component count for strap options. Keyboard / mouse controller
not fully compatible. |
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PC Engines experience: BIOS |
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STPC Vega |
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Status: EOL |
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CPU: Rise MP6 "Pentium II class" core, up to 250 MHz, 8K I-Cache + 8K D-Cache |
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DRAM: 64 bit wide SDRAM, up to 256 MB |
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PCI: up to three masters |
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ISA: yes (external glue logic for IRQ / DMA) |
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I/O: 1 serial (Rx / Tx), IDE ATA66, 10/100 Ethernet (external PHY) |
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RTC: external |
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Video: none |
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GPIO: minimal |
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BIOS: tinyBIOS support available |
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Notes: weak DRAM controller (no 256 Mbit support, not the best bandwidth) |
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PC Engines experience: BIOS |
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CPUs not recommended for new designs |
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ALI M6117 (EDO DRAM, external clock generator) |
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AMD Elan SC300 / SC310 (EOL) |
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AMD Elan SC400 / SC410 (EOL) |
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AMD Geode GX2 (EOL) |
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STPC Client (EDO DRAM, EOL) |
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STPC Consumer (EDO DRAM, EOL) |
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STPC Consumer-S (poor SDRAM controller, EOL) |
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STPC Industrial (EDO DRAM, EOL) |
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ZFLinux ZFx86 (very poor DRAM bandwidth) |