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NS Geode® Flex ATX SBC for POS Applications

POS-7551 Introduction

The POS-7551 is a flex ATX, low cost, fanless Geode TM GX1-233 MHz CPU board specially designed for POS and other related applications that require many I/O connections on a rugged and affordable platform. This board is perfect for uses such as supermarkets, retail stores, hotels and restaurants, public transit systems, entertainment appliances and medical equipment to name a few.

The POS-7551 is made with industrial grade construction that can better withstand 24 hour a day use, high vibration, shock, exposure to humidity, moisture and heat. The GX1-233 processor allows for fanless operation that virtually eliminates heat buildup problems that has traditionally been the number one cause of failure in enclosed chassis POS systems.

The POS-7551 has one ISA and one PCI expansion slot and four digital I/Os plus four on-board serial ports each with +5 V/+12 V power. Supported peripherals range from bar code scanners, card readers, printers, cash drawers etc. The POS-7551 uses a standardized layout based on the Flex ATX form factor. It is 100 % PC compatible and is ready for use with any existing PC software or hardware.

Other on-board industrial features not found on conventional motherboards include a watchdog timer for dependability during unmanned operations, and CMOS backup to Flash ROM. An on-board ComactFlash TM socket can support up to 256 MB.

POS-7551 Features

  • NS Geode™ GX1-233 processor on board
  • Fanless operation
  • VGA/LCD controller with Universal Memory Architecture
  • Supports 18 bit TFT display
  • 10/100 Mbps PCI ethernet interface with wake-on-LAN support
  • 4 COM ports with power line support
  • Digital I/O (2 in & 2 out)
  • 2 parallel ports
  • 2 x USB
  • 4 Mbps FIR
  • Socket for CompactFlash™
  • AC97 audio interface
  • 16 MB onboard DRAM
  • ATX power connector

POS-7551 Specification

Standard SBC Functions
  • CPU: Embedded low power NS Geode GX1-233
  • BIOS: 2 Mbit Flash BIOS, supports Plug & Play, APM 1.2, Supports Ethernet boot ROM, boot from CD-ROM and boot from LS-120 ZIP Drive, Optional customer icon available
  • Chipset: CX 5530A
  • System Memory: One DIMM socket accepts 8 ~ 128 MB SDRAM (8/16/32/64/128 MB);
    16 MB onboard DRAM (POS-7551F only)
  • Enhanced IDE: Supports up to four EIDE devices. BIOS auto-detect, PIO Mode 3 or Mode 4 transfer, Ultra DMA33 mode (ATA-4) up to 33 MB/sec
  • FDD interface: Supports 360K/1.2M/720K/ 1.44MB/2.88MB up to two FDDs
  • Serial ports: Four serial RS-232 ports, COM1,2, 3, 4, all provide power support
  • Parallel port: Two parallel ports, supports EPP/ ECP mode
  • Infared port: Shared with COM4. Transfer rates up to 4 Mbps
  • Keyboard/mouse connector: Supports standard PS/2 keyboard and a PS/2 mouse
  • Power management: Supports power saving modes including Normal/Standby modes. APM 1.1 compliant
  • USB interface: Two universal serial bus ports
Ethernet Interface
  • Chipset: RTL 8139C
  • Ethernet interface: PCI 10/100 Mbps Ethernet. IEEE 802.3 U protocol compatible
  • Connectors: On-board RJ-45 connector
  • I/O address switchless setting
  • Built-in boot ROM
Audio Function
  • Audio interface: Microphone in, line in, CD audio in, line out, speaker L and Speaker R
  • Power requirements: typical 5 [email protected] A (w/ GX1-233 MHz CPU & 128 MB RAM)
  • Audio controller: AC97 version 2.0 compliant interface
VGA/LCD Interface
  • Chipset: CX5530A LCD/CRT controller
  • Interface: 16-bit graphic accelerator with 1 ~ 2 MB VRAM display memory
  • VGA: supports CRT and LCD display
  • Display mode: supports 18-bit TFT LCD panel
Solid State Disk
  • Solid state disk: Supports one 50-pin socket for CompactFlash™ (POS-7551F only)
Mechanical and Environmental
  • Dimensions (L x W): 228.6 x 190.5 mm (9.0" x 7.5")
  • Power supply voltage: +5 V 5 %
  • Power requirements: typical 5 [email protected] A (w/ GX1-233 MHz CPU & 128 MB RAM)
  • Operating temperature: 0 ~ 60C (32 ~ 140F)
  • Weight: 0.5 kg (1.1 lb)

POS-7551 Ordering Information

  • POS-7551-00A1 : NS Geode Flex ATX POS SBC w/ VGA,LCD and Ethernet
  • POS-7551F-00A1 : NS Geode Flex ATX POS SBC w/ VGA, LCD, Ethernet, Audio, CFC &16 MB DRAM onboard
  • POS-7815 : Flex ATX chassis for POS-7551
  • 1701100300 : Optional COM Port Cable
  • 1701260301 : Optional LPT Port Cable

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