586 Class Single Board Computer
Low power AMD Élan™ SC520 processor
Soldered-on SDRAM
Fanless operation
Small PC/104-Plus form factor
CompactFlash socket
Extended temperature versions
RoHS-compliant versions available
LYNX
Highlights
PC/104-Plus Form Factor
AMD SC520 Processor
586 class CPU.
Small Footprint. Multi-vendor support.
Overview
The Lynx single board computer is a compact 586 class product with integrated networking and
I/O. With its small size, low power consumption, ruggedness, on-board storage capabilities,
high-speed networking and low cost, the Lynx is well-suited to applications such as industrial
control, data monitoring and remote data collection. It can be used stand-alone as an Ethernet
processor node, or with a PC/104 video module in situations requiring a display. It supports
both ISA and PCI busses through the PC/104 and PC/104-Plus connectors. The pass-through
connectors allow the Lynx to be mounted above or below a proprietary I/O board or device.
64 MB SDRAM
Integrated I/O
Soldered-on RAM for high reliability.
4 COM ports (two RS-232 and two RS-422/485), 2 general
purpose timers, IDE interface, LPT port, and PS/2 mouse /
keyboard.
Details
The Lynx is based on the AMD Élan SC520 processor which operates at 133 MHz in the standard
version and 100 MHz in the extended temperature versions. This complete SBC includes 64
MB of on-board system RAM, a compact flash interface, 10/100 Ethernet, IDE interface, 4 COM
ports, LPT interface, floppy interface, and two counter/timers. A 2 MB battery-backed static
(BBS) RAM option offers on-board non-volatile storage with no required drivers.
This PC/104-Plus single board computer is an extremely rugged hardware platform due to its
compact size, soldered-on processor and RAM, and high-reliability features. There are no moving
parts, the compact flash resides in a high-retention industrial socket, and it is highly tolerant to
shock and vibration. A watchdog timeout provides hardware-level control over unresponsive
applications while the voltage sensing reset circuit provides protection from low voltage system
failures. Transient Voltage Suppression (TVS) devices built into critical I/O ports provide en-
hanced ESD protection. An industrial long-life battery provides back-up for the real-time clock
and CMOS settings. Battery-less operation is also supported. A self-resetting fuse on the 5V
supply to the mouse and keyboard protects against cable and connector shorts.
The Lynx is compatible with a wide selection of popular x86 operating systems including most
Linux, Windows, and real time OSs. Contact VersaLogic for more information.
High-Speed Networking
CompactFlash Socket
Fanless Operation
TVS Protection
10/100 Ethernet with on-board standard connector.
Removable storage device has no moving parts.
No fan / no moving parts required across full operating
temperature.
Enhanced ESD resistance.
Pass-through Connectors
Watchdog Timer
Standard versions allow expansion modules above and below
the board.
Provides hardware-level safety control for application run-away
conditions.
Embedded BIOS
OEM embedded features. Field-upgradeable. Customization
available.
RoHS-Compliant Versions
Full Compliance with EU Directive 2002/95/EC for devices
used in Europe.
EPM-4g/h
VersaLogic Corporation
•
3888 Stewart Road, Eugene, OR 97402
•
(541) 485-8575
•
Fax (541) 485-5712
•
info@VersaLogic.com
•
www.VersaLogic.com
586 Class Single Board Computer
Specifications
General
Processor
CPU Speed
Power Requirements
System Reset
Compatibility
AMD SC520
133 MHz (EPM-4g)
100 MHz (EPM-4e/h)
+5V ±5% @ 0.94A (4.7W) typ. (EPM-4g)
+5V ±5% @ 0.85A (4.2W) typ. (EPM-4e/h)
Watchdog timer.
VCC sensing (resets below 4.70V typ.)
LYNX
PC/104 – Refer to reference manual.
PC/104-Plus – Full compliance, 3.3V or 5V
modules, PCI 2.2 compliant.
RoHS - Full compliance (EPM-4g/h).
3.55” x 3.775” (90 mm x 96 mm)
-40° to +85°C
0° to +60°C 100 FPM airflow (EPM-4g)
0° to +50°C free air, no airflow (EPM-4g)
-40° to +85°C 100 FPM airflow (EPM-4e/h)
-40° to +75°C free air, no airflow (EPM-4e/h)
5°C/min over operating temperature.
2g constant acceleration from 5 to 500Hz, 20
minutes per axis, MIL-STD-202G, Method
204, Modified Condition A.
.02g
2
/Hz (5.35g rms) 15 minutes per axis, MIL-
STD-202G, Method 214A, Condition A.
30g half-sine, 11 mS duration per axis, MIL-
STD-202G, Method 213B, Condition J.
Less than 95%, noncondensing.
64 MB SDRAM. Soldered on.
High retention CompactFlash socket. Type I or
II supported.
Autodetect 10BaseT/100BaseTX port.
Standard RJ-45 connector.
Argon Managed Boot Agent. Supports PXE,
RPL, NetWare, TCP/IP (DHCP, BOOTP)
remote boot protocols.
PIO interface with 44-pin 2 mm connector.
RS-232 compatible, 115K baud max.
RS-422/485 selectable, 460K baud max.
Floppy interface multiplexed on LPT pins.
(CMOS setup option.)
Supported via LPT connector option.
Two general-purpose timer inputs.
Keyboard and PS/2 mouse.
Compatible with most X86 operating systems,
including Win98/NT/CE, QNX, VxWorks, and
Linux.
General Software’s Embedded BIOS with
OEM Enhancements. Field reprogrammable.
Mechanical
Board Size
Storage Temperature
Operating Temperature
Thermal Shock
Vibration, Sinusoidal
Sweep
Vibration, Random
Mechanical Shock
Humidity
Ordering Information
VL-EPM-4e ...............................................100 MHz, Extended temperature
VL-EPM-4g ....................................133 MHz, Standard temperature, RoHS
VL-EPM-4h ...................................100 MHz, Extended temperature, RoHS
Accessories
VL-CBR-1008* ...................... ATX to 10-pin EPM power connector (RoHS)
VL-CBR-2003*................................ 1’ 20-pin 2mm / DB-25F (LPT) (RoHS)
VL-CBR-2501* ................................... LPT to Floppy adapter cable (RoHS)
VL-CBR-4404 ..............................................44-pin 2mm IDE cable (RoHS)
VL-CBR-4405*................................. 2mm to .1” IDE adapter board (RoHS)
VL-CBR-4406*.......................................18” 44-pin latch IDE cable (RoHS)
VL-CBR-5009*............................. Lynx front panel cable assembly (RoHS)
VL-CKR-LYNX ..........................................................Lynx cable set (RoHS)
VL-CDD-IDE1 ...................................................... CD-RW, DVD-ROM drive
VL-CFM-xxx............................................................CompactFlash modules
VL-CF-CLIP1 ............................................ Retention clip for CompactFlash
VL-ENCL-5c ............................................................Development enclosure
VL-EPM-VID-3 ........................................................... Video display module
VL-FDD-144 ........................................................................ 3.5” floppy drive
VL-HDD35-xx .........................................................3.5” IDE hard disk drive
VL-HDW-101*......................................................... Metric standoff package
VL-HDW-201 .............................................................. PC/104 extractor tool
VL-PS200-ATX ................................................. Development power supply
* Included in VL-CKR-LYNX
Memory
System RAM
Flash Interface
Network
Interface
Ethernet*
Network Boot Option
Device I/O
IDE Interface
COM 1 & 2 Interface*
COM 3 & 4 Interface*
LPT Interface*
Floppy
Other
Other* ‡
Software
Operating Systems
BIOS
* TVS protected port (enhanced ESD protection).
‡ Power connection protected with self-resetting fuse.
Data represents standard operation at 25°C with 5.0V supply unless otherwise noted. Specifications are
subject to change without notice. PC/104 is a trademark of the PC/104 Consortium.
DOC-04-111-R5 02-27-08
VersaLogic Corporation
•
3888 Stewart Road, Eugene, OR 97402
•
(541) 485-8575
•
Fax (541) 485-5712
•
info@VersaLogic.com
•
www.VersaLogic.com
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