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High-End Single Board Computers ELK-SBC6240 Series
Intel ® Pentium ® 4 processor with the Intel ® 875P chipset
Processor options with 800MHz FSB and 1M L2 cache support
Supports up to 2GB of DDR266/333/400 memory
Intel ® Performance Acceleration Technology supported with DDR400 and 800MHz FSB
Dual Gigabit Ethernet and Intel ® Communication Streaming Architecture
Dual Serial ATA/150 ports and PCI-X option card support
Enhanced ATI ® video via AGP 4x video connection to the MCH
Optional Ultra160 SCSI interface
Flexibility and capability are two words that come to mind when describing ASAN ST's ELK-6240-410 single board computer. The ELK-6240-410 offers flexible processor options, including the latest Intel ® Pentium ® 4 processor with its 800MHz system bus and 1M L2 cache, which is ideal for use in high-powered systems, and the Intel ® Celeron ® processor with a 400MHz system bus and 128K of L2 cache memory. The capabilities of the ELK-6240-410 include dual Gigabit Ethernet, dual Serial ATA/150 and dual channel DDR266/333/400 memory support. The chipset's AGP 4x video connection to a 16MB ATI ® video controller gives the ELK-6240-410 the power for demanding video applications. The ELK-6240-410 supports new PCI-X and PCI option cards, as well as legacy ISA option cards. Enabling PCI-X, PCI and ISA option card communications makes the ELK-6240-410 the ideal SBC for implementing new systems and for upgrading older systems. The features and capabilities designed into the ELK-6240-410 single board computer provide the flexibility needed to meet the demands of current applications and the challenges of future system designs.
CPU Support Intel ® Pentium ® 4 processor at speeds of 2.0GHz to 3.4GHz*
Intel ® Celeron ® processor at speeds of 2.0GHz to 2.5GHz*
*Higher speeds as available
Chipset The ELK-6240-410 uses Intel ® 875P chipset featuring Intel ® Performance Acceleration Technology (Intel ® PAT). Intel ® PAT provides a faster path between the processor cache memory and DDR system memory that increases overall system performance while taking full advantage of the new Intel ® Pentium ® 4 processor's 800MHz Front Side Bus (FSB). The ELK-6240-410 features a dual channel DDR266/333/400 memory interface, 400MHz, 533MHz or 800MHz FSB support, an AGP 3.0 video interface with 4x data transfers and dual Serial ATA/150 ports. Additional chipset capabilities include USB 2.0, PCI-X/PCI, Ultra ATA/100, Intel ® Communications Streaming Architecture (CSA) support for direct-connect Gigabit Ethernet and a 266MB/s Hub Interface to Intel's E6300ESB I/O Controller Hub.
Bus Speed ISA:16-bit/8MHz, PCI:32-bit/33MHz, 32-bit/66MHz
64-bit/33MHz, 64-bit/66MHz, PCI-X: 64-bit/33MHz, 64-bit/66MHz System or FSB : 400MHz, 533MHz or 800MHz
Bios (Flash) The ELK-6240-410 uses AMIBIOS8 ® . The flash BIOS resides in the 82802AC Firmware Hub (FWH). AMIBIOS8 contains features such as: *Support for flash devices for BIOS upgrading via floppy interface *Integrated support for USB mass storage devices such as USB CD-ROM, CD-RW, etc. *Boot from network, USB mass storage devices, IDE or ATAPI *Serial port console redirection to support headless operation *SATA/ATA/ATAPI support includes 48-bit LBA addressing to support SATA/ATA/IDE hard drive capacities over 137GB
Cache Memory The Intel ® Pentium ® 4 processor's level two (L2) cache memory is an integrated on-die Advanced Transfer Cache memory that is 8-way set associative and runs at the full processor core frequency. Processor options are available that provide either a 512K or 1M L2 cache memory. Intel ® Celeron ® processors have a 128K L2 cache.
All processors have a 12K L1 Execution Trace Cache. Processors which have 1M of L2 cache memory have a 16K data cache; all other processors have an 8K data cache.
Main Memory The two DIMM sockets on the ELK-6240-410 support a total memory capacity of 2GB. The 875P has an Intelligent Memory Manager feature that automatically detects the speed and placement of the DDR DIMMs and applies the appropriate memory frequency and speed to the DDR266/333/400 interface. The interface can operate as either a single-channel or dual-channel DDR interface. With one DIMM installed, the interface operates as a single-channel interface supporting a PC2100, PC2700 or PC3200 unbuffered 184-pin ECC or non-ECC DDR DIMM. Installing one DIMM produces an interface bandwidth of either 2.1GB/s, 2.7GB/s or 3.2GB/s. Dual-channel DDR interface operation occurs by installing two identical DIMMs, which doubles the interface bandwidth to 4.2GB/s, 5.4GB/s or 6.4GB/s.
PCI-X/PCI Bus
Interface		 The ELK-6240-410's 32/64-bit PCI-X/PCI bus interface connects from the SBC's I/O Controller Hub directly to the backplane and is capable of running at a 33MHz or 66MHz bus speed.
An additional PCI Local bus, which runs at 32-bit/33MHz, supports one of the board's 10/100/1000Base-T Ethernet controllers and the optional Ultra160 SCSI controller.
ISA Bus Interface
 The ELK-6240-410's ISA bus interface supports legacy ISA slots, with the following limitations: ISA Bus Mastering, 16-bit I/O and 16-bit memory accesses are not supported. When a 16-bit access is executed to the ELK-6240-410's ISA bus, the transfer will be divided into two 8-bit accesses. If the ISA option card being used only operates in word, i.e.16-bit, mode, transfer data will be missed. If the ISA option card supports both byte, i.e. 8-bit, mode and word mode, the data transfer will be correct, but throughput performance will be reduced.
Dual Eide Ultra ATA/100 Interfaces
 Dual high performance PCI Bus Master EIDE interfaces are capable of supporting up to two IDE disk drives each in a master/slave configuration. Supports Ultra ATA/100 with synchronous ATA mode transfers up to 100MB per second
Dual USB Interfaces
 The ELK-6240-410 supports two high-speed USB 2.0 ports for data transfers up to 480Mbit/sec. It also supports USB 1.1 devices for data transfers at 12 or 1.5Mbit/sec. The Universal Serial Bus (USB) is an interface allowing for connectivity to many standard PC peripherals via an external port.
System hardward Monitor The Winbond W83783S chip supports hardware monitoring. The functions monitored are voltage (+2.5V, +3.3V, +/-12V, +5V and VCORE), fan speed and temperature. The ELK-6240-410 hardware monitor driver allows the user to program the monitor limits to provide a trigger point for the application software. The user's application program can monitor these trigger points in order to send system alert messages or perform corrective actions.
Standards
 - IEEE P996, Personal Computer Bus Standard
- PCI Local Bus Specification 2.1
- PICMG ® 1.0 Specification
Dual Ethernet Interfaces The ELK-6240-410's Gigabit Ethernet Controller (Intel 82547GI) uses the new Communication Streaming Architecture (CSA) feature on the 875P MCH to provide a high-speed 10/100/1000Base-T Ethernet interface. Connecting directly to the MCH via CSA approximately doubles the peak available bandwidth and provides a low-latency path to memory that increases network performance. The second 10/100/1000Base-T Ethernet interface is provided by the Intel 82540 PCI-based controller. RJ-45 connectors, located on the I/O bracket, provide the physical interface to the Ethernet network.
Dual Serial ATA/150 Ports
 The primary and secondary Serial ATA (SATA) ports on the ELK-6240-410 comply with the SATA 1.0 specification and support two independent SATA storage devices such as hard disks and CD-RW devices. SATA technology provides lower pin counts, reduced signaling voltages, simplified cabling, CRC error detection and hot-plug support. SATA produces higher performance interfacing by providing data transfer rates up to 150MB per second on each port
Ultra XGA Video Interface
 The ATI ® M6-C16H video controller enables 2D/3D video acceleration and provides 16MB of integrated video DDR memory. The video controller supports pixel resolutions up to 1600 x 1200 (UXGA). Software drivers are available for most popular operating systems.
Optional The Ultra160 SCSI interface uses an Adaptec AIC-7892 SCSI controller chip and supports SCSI device data transfer operations up to 160MB/s. The interface supports up to 15 SCSI devices, complies with the SPI-3 standard and is compatible with both single-ended and Low Voltage Differential (LVD) SCSI I/O. Software drivers are available for most popular operating systems.
Serial Interface The Super I/O controller supports two full-function serial ports with independently programmable baud rates. The controller has two high-speed, NS16C550 compatible UARTs with Send/Receive 16-byte FIFOs. The IRQ for each serial port has BIOS selectable addressing.
Floppy Drive Interface The ELK-6240-410 supports up to two floppy disk drives in combinations of 360K to 2.88MB.
Keyboard and PS/2 Mousw Interfaces The mini DIN connector located on the I/O bracket provides an external interface for a PS/2 mouse and keyboard. A "Y" adapter plugged into the mini DIN connector allows the PS/2 mouse and keyboard to share the same port. Internal PS/2 mouse and keyboard headers are also available. A self-resetting fuse protects the +5V line of the keyboard and the mouse.
Enhanced Bi-Directional Parael Interface The parallel port interface is compatible with IBM PC/XT®, PC/AT®, PS/2TM, Enhanced Parallel Port (EPP1.7, EPP1.9) and Extended Capabilities Port (ECP) modes of operation. Both the EPP and ECP modes are IEEE 1284 compliant. The parallel port has BIOS selectable addressing.
Wachdog Timer The programmable watchdog timer is supported directly by the I/O Controller Hub. Two operating modes, free-running and one-shot, are available with this two-stage watchdog timer. Stage one can generate IRQ, SMI or SCI, and stage two generates a programable watchdog timer reset with a total range of 1ms to 10 minutes.
Power
Requirements
*Pentium 4   *Celeron
CPU
+5V* +12V** +3.3V*
CPU
+5V* +12V** +3.3V*
3.4GHz
6.40A 9.50A 2.50A 2.5GHz 4.95A 4.60A 2.50A
3.0GHz
6.40A 8.80A 2.50A 2.0GHz 4.95A 4.20A 2.50A
2.8GHz
4.95A 5.15A 2.50A        
2.4GHz
4.95A 4.63A 2.50A        
-12V @ <100mA
* From backplane via PICMG ® connector.
** From ATX12V power supply or equivalent via P24 connector.
Dimensions 13.3” L (338mm) x 4.8” H (121.9mm) x 2.3” W (58.4mm).
Environments
Standard Operating Temperature :0° to 45° C. with 250LFM airflow for processors with 800MHz FSB/1M cache and 3.06GHz processors with 533 MHz FSB/512K cache.
Extended Operating Temperature : 0° to 55° C.
Storage emperature:-20° to 70° C.
Humidity :5% to 90% non-condensing
The high-performance Intel ® Pentium ® 4 processor used on the ELK-SBC6240-410 may consume over 100 Watts of power. The ELK-SBC6240-410 cooling system uses a high-reliability fan mounted to the SBC.
MTBF TBD POH (Power-On Hours) at 40 °C., per Bellcore
ELK-SBC6240-410 Intel ® Pentium ® 4/800MHz, CPU speed 3.4GHz, FSB/1M L2 Cache, Serial ATA/150 and EIDE Ultra ATA/100 ports, Gigabit Ethernet, DDR266/333/400 memory, optional Ultra160 SCSI, the Intel ® 875P chipset and PCI-X/PCI/ISA option card support.
ELK-SBC6240-408 Intel ® Pentium ® 4/800MHz, CPU speed 3.0GHz, FSB/1M L2 Cache, Serial ATA/150 and EIDE Ultra ATA/100 ports, Gigabit Ethernet, DDR266/333/400 memory, optional Ultra160 SCSI, the Intel ® 875P chipset and PCI-X/PCI/ISA option card support.
ELK-SBC6240-407 Intel ® Pentium ® 4/800MHz, CPU speed 2.8GHz, FSB/1M L2 Cache, Serial ATA/150 and EIDE Ultra ATA/100 ports, Gigabit Ethernet, DDR266/333/400 memory, optional Ultra160 SCSI, the Intel ® 875P chipset and PCI-X/PCI/ISA option card support.
ELK-SBC6240-107 Intel ® Pentium ® 4/533MHz, CPU speed 2.8GHz, FSB/512K L2 Cache, Serial ATA/150 and EIDE Ultra ATA/100 ports, Gigabit Ethernet, DDR266/333/400 memory, optional Ultra160 SCSI, the Intel ® 875P chipset and PCI-X/PCI/ISA option card support.
ELK-SBC6240-104 Intel ® Pentium ® 4/533MHz, CPU speed 2.4GHz, FSB/512K L2 Cache, Serial ATA/150 and EIDE Ultra ATA/100 ports, Gigabit Ethernet, DDR266/333/400 memory, optional Ultra160 SCSI, the Intel ® 875P chipset and PCI-X/PCI/ISA option card support.
ELK-SBC6240-430 Intel ® Pentium ® 4/800MHz, CPU speed 3.4GHz, FSB/1M L2 Cache, Serial ATA/150 and EIDE Ultra ATA/100 ports, Gigabit Ethernet, DDR266/333/400 memory, optional , the Intel ® 875P chipset and PCI-X/PCI/ISA option card support.
ELK-SBC6240-428 Intel ® Pentium ® 4/800MHz, CPU speed 3.0GHz, FSB/1M L2 Cache, Serial ATA/150 and EIDE Ultra ATA/100 ports, Gigabit Ethernet, DDR266/333/400 memory, optional , the Intel ® 875P chipset and PCI-X/PCI/ISA option card support.
ELK-SBC6240-427 Intel ® Pentium ® 4/800MHz, CPU speed 2.8GHz, FSB/1M L2 Cache, Serial ATA/150 and EIDE Ultra ATA/100 ports, Gigabit Ethernet, DDR266/333/400 memory, optional , the Intel ® 875P chipset and PCI-X/PCI/ISA option card support.
ELK-SBC6240-127 Intel ® Pentium ® 4/533MHz, CPU speed 2.8GHz, FSB/512K L2 Cache, Serial ATA/150 and EIDE Ultra ATA/100 ports, Gigabit Ethernet, DDR266/333/400 memory, optional , the Intel ® 875P chipset and PCI-X/PCI/ISA option card support.
ELK-SBC6240-124 Intel ® Pentium ® 4/533MHz, CPU speed 2.4GHz, FSB/512K L2 Cache, Serial ATA/150 and EIDE Ultra ATA/100 ports, Gigabit Ethernet, DDR266/333/400 memory, optional , the Intel ® 875P chipset and PCI-X/PCI/ISA option card support.
All specifications within this document are subject to change without notice.