ATX-X255 Baseboard
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Top view |
Bottom view |
| ATX-X255 Highlights | |
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ATX-X255 is a
small single board computer with industry standard Mini-ATX form
factor. It is implemented by a combination of an
CM-X255 module
and an mini-ATX board.
Based on Intel's XScale architecture, the ATX-X255 board delivers a price / feature ratio better than any traditional X86-based alternative. ATX-X255 is especially attractive for applications requiring a combination of low price and low power consumption with features such as PCMCIA and LCD Panel interfaces. The ATX-X255 has industry standard Mini-ATX form factor, providing an attractive alternative to many other ATX cards available in the market. Within CompuLab's product line, the ATX is also compatible with CM-i686 and CM-i886 boards, enabling the flexibility required in a dynamic market where application requirements can change rapidly. |
Block Diagram
| * Grayed blocks specify functions not used in the ATX-X255, but required by other CORE modules. |
ATX-X255 Features
The "ATX Option" column specifies the P/N code of ATX baseboard required to have the particular feature. The "CM Option" column specifies the P/N code of CM-X255 required to have the particular feature. ATX-X255 content is the combination of features provided by the attached CM-X255 and features implemented on the ATX baseboard itself. To have the particular feature, both CM and ATX options of that feature must be implemented.
"+" means that the feature is always available, regardless of P/N code.
| Feature | Specification | ATX Option |
CM Option |
| CPU SDRAM Flash Disk |
See Features List of CM-X255 module | ||
| COM 1 | Full modem, RS-232 levels, DB-9 connector | + | + |
| COM 2 | Rx/Tx only, RS-232 / RS-422 / RS-485 levels, 10-pin header | X | + |
| COM 3 | Rx/Tx or full modem, RS-232 or TTL levels, 10-pin header | Y | B |
| COM 4 | Full modem, RS-232 / RS-485 / RS-422, 10-pin header | Z | B,S |
| IrDA | SIR and FIR modes. Standard header for IrDA module | + | + |
| LPT | 26-pin header for DB-25 cable/connector. Shared with FDC | + | B,S |
| IDE | PIO mode. Derived from local bus. 40-pin header for HDD cable | + | + |
| FDC | Routed through LPT header | + | B,S |
| Ethernet | One or two 10/100BaseT
Ethernet ports. Realtek RTL8139 controller. RJ-45 connectors and
activity LED's. Options: - Single port - Dual port |
+ E |
B,E B,E |
| LCD Panel | STN and TFT panel support. 51-pos FPC connector for direct interface to certain TFT panels | L | + |
| CRT Monitor | RGB signals are derived from TFT interface by using DAC. Resolution up to 1024 x 768. DB-15 VGA connector. | V | + |
| PS/2 | Two PS/2 connectors for keyboard and mouse | + | B,S |
| GPIO | 20 lines, on 100-mil header. | + | B,S |
| PCMCIA | Supports two options: - PCMCIA only, using CM-X255 controller. Single slot. - CardBus / PCMCIA, using additional controller. One or two slots. Slots: with card guides, for cards type I, II and III. |
CA Cx |
+ B |
| Host USB | Two Host ports, 12 Mbps. Type-A connector. | + | B |
| Slave USB | One Slave port, 12 Mbps. Type-A connector. | + | + |
| Sound I/O | Standard connectors for Microphone (mono), Line input and Speakers (stereo) | + | A |
| PCI | Single PCI slot, straight | + | B |
| RTC | Real time clock, powered by on-board lithium battery | + | R |
Electrical, Mechanical and Environmental Specifications
| Power Supply | 5.0V or 3.3V (The 3.3V option is only for cards without Audio and Super-I/O chips) | ||||||
| Dimensions | 17 x 17 x 3 cm. Height can vary, depending on the connectors assembled. Height specified includes the CM-X255 module. | ||||||
| Operation temp (case) |
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| Storage temperature | -40o to 85o C | ||||||
| Relative humidity | 10% to 90% (operation) 05% to 95% (storage) | ||||||
| Shock | 50G / 20 ms | ||||||
| Vibration | 20G / 0 - 600 Hz |