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A20 - 2eSST Intel Core 2 Duo CPU Board
 

6U VMEbus

This product has been discontinued.

The A20 is a 6U single-slot multi-core VMEbus SBC supporting a variety of Intel Core Duo and Core 2 Duo processors and offering two XMC or PMC slots.

Download data sheet

  • A20 Product ImageA20 6U VMEbus 2eSST Intel Core 2 Duo CPU Board
  • A20 Product ImageA20 2eSST Intel Core 2 Duo CPU Board with 2 PMCs installed
  • A20 Product Image
  • A20 Product Image

Main Features

  • Intel Core 2 Duo L7400
  • Core Duo U2500 or L2400
  • 1-slot 2eSST VMEbus master and slave
  • Up to 4 GB DDR2 DRAM soldered
  • 2 SATA, 1 PATA interface
  • 1 VGA at front
  • 1 Gb Ethernet at front
  • 1 USB at front
  • 2 XMC or 2 PMC
  • PCI Express six x1 links
  • Board controller
A20 Product Image

Technical Data

CPU
  • Up to Intel Core 2 Duo L7400
    • Dual-core 64-bit processor
    • Up to 1.5GHz processor core frequency
    • Up to 667MHz front-side bus frequency
  • Chipset
    • Northbridge: Intel 945GME Express
    • Southbridge: Intel ICH7-M DH
Memory
  • 4MB L2 cache integrated in Core 2 Duo
  • Up to 4GB SDRAM system memory
    • Soldered
    • DDR2
    • 667MHz memory bus frequency
    • Dual-channel, 2x64 bits
  • CompactFlash card interface
    • Via onboard IDE
    • Type I
    • True IDE
    • DMA support
  • 8Mbits boot Flash
  • Serial EEPROM 2kbits for factory settings
Mass Storage
  • Parallel IDE (PATA)
    • One IDE port for local CompactFlash
  • Serial ATA (SATA)
    • One channel for onboard hard disk
    • One channel via rear I/O connector P2
    • Transfer rates up to 150MB/s
    • RAID level 0/1 support
Graphics
  • Integrated in 945GME Express chipset
    • 200/250MHz 256-bit graphics core
  • VGA connector at front panel
I/O
  • USB
    • One USB 2.0 port via Series A connector at front panel
    • Seven USB 2.0 ports via rear I/O
    • UHCI implementation
    • Data rates up to 480Mbit/s
  • Ethernet
    • One 10/100/1000Base-T Ethernet channel at front panel
    • RJ45 connector at front panel
    • Ethernet controller connected by one x1 PCIe link
    • Onboard LEDs to signal activity status and connection speed
Front Connections
  • VGA
  • One USB 2.0 (Series A)
  • One Ethernet (RJ45)
Rear I/O
  • USB 2.0, seven ports
  • PMC rear I/O (for one PMC)
  • One SATA channel
Mezzanine Slot
  • Two slots usable for PMC or XMC
  • XMC slots
    • Compliant with XMC standard VITA 42.3-2006
    • Two x1 PCI Express links for slot 2
    • One x1 PCI Express link for slot 1
  • PMC slots
    • Compliant with PMC standard IEEE 1386.1
    • PCI / PCI-X 32/64 bit, 33/66MHz, 3.3V V(I/O)
    • One x1 PCI Express link via PCI Express to PCI-X bridge
    • PMC I/O module (PIM) support (for one PMC)
    • Current limited to 2A for 5V and 3.3V
Miscellaneous
  • Board controller
  • Real-time clock, buffered by a GoldCap and a battery
  • Watchdog timer
  • Temperature measurement
  • One user LED
  • Reset button
PCI Express
  • One x1 link to connect local 1000Base-T Ethernet controller
  • Three x1 links to connect XMC
  • One x1 link to connect PMC via PCI Express to PCI-X bridge
  • One x1 link to connect the VME bridge via a PCI Express to PCI-X bridge
  • Data rate up to 250MB/s in each direction (2.5 Gbit/s per lane)
VMEbus
  • IDT TSI148 controller
  • Compliant with VME64 Specification
  • Supports VME32, VME64, 2eVME and 2eSST (VITA 1.5)
  • Maximum data rate 250 MB/s (limited by PCI Express link)
  • Slot-1 function with auto-detection
  • Master
    • D08:D16:D32:D64:A16:A24:A32:A64:BLT:MBLT:RMW
  • Slave
    • D08:D16:D32:D64:A16:A24:A32:A64:BLT:MBLT
  • DMA
  • Mailbox functionality
  • Bus timer
  • Location Monitor
  • Interrupter D08(O):I(7-1):ROAK
  • Interrupt handler D08(O):IH(7-1)
  • Single level 3 fair requester
  • Single level 3 arbiter
Electrical Specifications
Supply voltage/power consumption:
  • +5V (-3%/+5%), 3.2A (idle)..6.6A (full load)
  • 3.3V for XMC/PMC are generated on the board
Mechanical Specifications
  • Dimensions: standard double Eurocard, 233.3mm x 160mm
  • Front panel: 4HP with ejector
  • Weight:
    • Without XMC/PMCs: 525g
Environmental Specifications
  • Temperature range (operation):
    • 0..+60°C
    • Airflow: min. 1.5m/s
  • Temperature range (storage): -40..+85°C
  • Relative humidity (operation): max. 95% non-condensing
  • Relative humidity (storage): max. 95% non-condensing
  • Altitude: -300m to + 3,000m
  • Shock: 15g/11ms (EN 60068-2-27)
  • Bump: 10g/16ms (EN 60068-2-29)
  • Vibration (sinusoidal): 1g/ 10..150Hz (EN 60068-2-6)
  • Conformal coating on request
MTBF
190,571h @ 40°C according to IEC/TR 62380 (RDF2000)
Safety
PCB manufactured with a flammability rating of 94V-0 by UL recognized manufacturers
EMC
Tested according to EN 55022 Class A (radio disturbance), EN 61000-4-2 (ESD), EN 61000-4-4 (burst) and EN 61000-4-5 (surge)
BIOS
Award BIOS
Software Support
  • Windows
  • Linux
  • VxWorks
  • QNX (on request)
  • Intel Virtualization Technology, allows a platform to run multiple operating systems and applications in independent partitions; one computer system can function as multiple "virtual" systems
  • For more information on supported operating system versions and drivers see Software.

Options

CPU
  • Core 2 Duo L7400, 1.5GHz LV
  • Core Duo L2400, 1.66GHz LV
  • Core Duo U2500, 1.2GHz ULV
  • Celeron M 423, 1.06 GHz
Memory
  • System RAM
    • 512 MB, 1 GB, 2 GB or 4 GB
  • CompactFlash
    • 0 MB up to maximum available
I/O
UART (instead of front USB and one PCI Express link)
  • One RS232 via adapter cable (see Accessories)
  • One RJ45 connector at front panel
  • Data rates 300bit/s..230kbit/s
  • FIFO receive and transmit buffers for high data throughput
  • Handshake lines: full support
Some of these options may only be available for large volumes.
Please ask our sales staff for more information.

Ordering Information

Miscellaneous Accessories
05F006-00

RS232 interface cable RJ45 to 9-pin D-Sub (1 COM to 1 COM), 2m

05P000-01

25 mounting screw sets to fix PMC/XMC modules on carrier boards

Memory
0751-0045

CompactFlash card, 4 GB, Type I, fixed bit set, -40 to +85°C

0751-0055

CompactFlash card, 8 GB, Type I, fixed bit set, -40 to +85°C

0751-0060

CompactFlash card, 16 GB, -40 to +85°C

0751-0061

CompactFlash card, 2 GB, Type I, fixed bit set, -40 to +85°C

Systems & Card Cages

MEN delivers turn-key systems completely installed (hardware, operating system, accessories), wired and tested. Different rack sizes, power supplies and backplanes on request.
For details please contact your local sales representative.

Software

Linux
13Z014-90

Linux device driver (MEN) for PCI-to-VME bridge on A12, A13, A14, A15, A17, A19, A20, A21B/A21C and B11

13Y004-06

MDIS5 low-level driver sources (MEN) for generic SMBus driver for F14, F15, F17, F18, F19P, F21P, F22P, F75P, G20, G22, D9, D601, F600 and F601, A19, A20, F217, CB70C, SC24, AF2, BC50M, BC50I, BL50W and MH50C

13MD05-90

MDIS5 System (and Device Driver) Package (MEN) for Linux. This software package includes most standard device drivers available from MEN.

Windows
13Z014-71

VME4WIN/MDIS5 Software Package (MEN) - VMEbus support under Windows XP/Vista/Windows 7 for MEN A19 and A20

13T007-70

Windows chipset graphics driver (Intel) for F15, F17, D9, A19 and A20

13T005-70

Windows USB2UART driver (FTDI) for F14, F15, F17, F18, F19P, F21P, F22P, F23P, D9, A19, A20, XM2 and XM50 / XM51 / F50P / F50C hosts

13T003-70

Windows chipset driver (Intel) for F14, F15, F17, F18, F18E, F19P, F21P, F22P, G20, G22, XM2, CB70C, D9, D6, D7, D601, A19 and A20

13T001-70

Windows network driver (Intel) for F14, F15, F17, F18, D9, D6, D7, D601, A19, A20 and P601, P602

13F014-77

Windows Installset (MEN) for F14, F15, F17, F18, D9, D601, A19 and A20

VxWorks
10A019-60

VxWorks 6.6 BSP for A19 and A20

13Y007-06

MDIS5 low-level driver sources (MEN) for F14, F15, F17, F18, D9, D601, A19 and A20 board controller

13Y004-06

MDIS5 low-level driver sources (MEN) for generic SMBus driver for F14, F15, F17, F18, F19P, F21P, F22P, F75P, G20, G22, D9, D601, F600 and F601, A19, A20, F217, CB70C, SC24, AF2, BC50M, BC50I, BL50W and MH50C

13Y002-06

MDIS5 low-level driver sources (MEN) for F14, F15, F17, F18, D9, D601, A19 and A20 board monitoring

13Y001-06

MDIS5 low-level driver sources (MEN) for LM63 on SMBus for F14, F15, F17, F18, F19P, D9, D601, A19 and A20

Firmware/BIOS
This product includes a specially adapted BIOS.
14A020-00

System BIOS for A19 and A20

Miscellaneous

Intel software development products such as analyzers, compilers, threading tools etc. can be downloaded under www.intel.com/cd/software/products/asmo-na/eng/index.htm.
IA-32 Intel Architecture Software Developer's Manuals are available under www.intel.com/products/processor/manuals/index.htm.