OPERATIONS MANUAL
EBC-855
NOTE: This manual has been designed and created for use as part of WinSystems Technical Manuals CD
and/or the WinSystems website. If this manual or any portion of the manual is downloaded, copied or
emailed, the links to additional information (i.e. software, cable drawings) may be inoperable.
WinSystems reserves the right to make changes in the circuitry
and specications at any time without notice.
Copyright 2009 by WinSystems. All Rights Reserved.
REVISION HISTORY
P/N 400-0327-000
ECO Number Date Code Rev Level
ORIGINATED 062606 Preliminary
070219 A
070424 B
07-81 070710 C
07-143 070828 D
07-173 071219 D.1
08-33, 08-43, 08-44 080313 D.2
08-52 080424 D.3
08-86 080617 D.4
08-150, 08-166, 09-01 090107 D.5
Table of Contents
Visual Index – Quick Reference i
Top View - Connectors i
Top View - Jumpers ii
Bottom View iii
Top View - LEDs iv
Introduction 1
General Information 1
Features 1
Software Support 2
Functional Capability 3
System Processor 3
System Controllers 3
Memory 3
DMA 3
Interrupt Routing 3
Power and Reset Interface 4
Power LED 5
Power Fail Reset 5
BIOS 5
Real-Time Clock/Calendar 6
Battery Backup 6
Rotational Disk Support 7
CompactFlash 8
Serial Interface 9
Serial Connector Summary (DB9 Pinout) 11
Video Interface 12
Ethernet Controller 13
USB 14
Audio Interface 14
Digital I/O 15
MiniPCI/802.11 Wireless Support 17
MiniPCI Device Interface (CN1) 17
Line Printer Port 18
Keyboard 18
Multi-I/O Connector 18
Mouse Interface 19
Watchdog Timer 19
Status LED 19
PC/104 Bus Interface 20
PC/104-Plus Bus Interface 21
PC/104-Plus VIO Voltage 21
090107 OPERATIONS MANUAL EBC-855 i
Visual Index – Quick Reference
Top View - Connectors
For the convenience of the user, a Visual Index has been provided with direct links to connector
and jumper conguration data.
J23, J26 DIGITAL I/O
J28 MULTI-I/O
J25 VIDEO
J7 PC/104-Plus
J5, J9 PC/104
J4 FAN POWER
J24
COM3/COM4
J29
ATX POWER
J27
IDE HARD DRIVE
40-PIN
J30
POWER
J31
BATTERY
J22
ETHERNET
CN2
IDE HARD
DRIVE
44-PIN
J15, J19
USB
J12
AUDIO
J10
PS/2 MOUSE
J11
BACKLIGHT
POWER
J2, J3
LVDS
NOTE: The reference line to each component part has been drawn to Pin 1, where applicable.
Pin 1 is also highlighted with a red square, where applicable.
090107 OPERATIONS MANUAL EBC-855 ii
Visual Index – Quick Reference
Top View - Jumpers
For the convenience of the user, a Visual Index has been provided with direct links to connector
and jumper conguration data.
J16
CMOS EEPROM
ENABLE
J14
BACKLIGHT ENABLE
J13
DIO INTERRUPTS
J6
PC/104-PLUS VIO
J21
AT/ATX MODE
J17
COM1 CONFIG
J20
DIO VCC
J18
COM2 CONFIG
J8
CFLASH
MASTER/SLAVE
NOTE: The reference line to each component part has been drawn to Pin 1, where applicable.
Pin 1 is also highlighted with a red square, where applicable.
090107 OPERATIONS MANUAL EBC-855 1
This manual is intended to provide the necessary information regarding conguration and
usage of the EBC-855 board. WinSystems maintains a Technical Support Group to help
answer questions regarding usage or programming of the board. For answers to questions not
adequately addressed in this manual, contact Technical Support at (817) 274-7553, Monday
through Friday, between 8 AM and 5 PM Central Standard Time (CST).
General Information
Introduction
Features
Processor
• Intel
®
1 GHz ZCD
TM
• Intel
®
1.8 GHz Pentium M
TM
Operating Systems Supported
• x86 RTOS, XP Embedded, Linux, DOS
Memory
• Up to 1028 MB of 200-pin SODIMM PC2700 DDR SDRAM (Socketed)
Video
• Up to 2048x1536 resolution
Ethernet
• Intel DA82562ET 10/100 Mbps controller
Wireless
• IEEE 802.11a/b/g via a miniPCI socket
Digital I/O
• 48 Bidirectional lines (WS16C48)
Serial I/O
• Four (4) serial ports (2-RS-232, 2-RS-232/422/485)
Line Printer Port
• SPP/EPP/ECP supported
USB
• Four (4) USB 2.0 ports
Interrupts
• Two (2) interrupt controllers
• Seven (7) DMA channels
Watchdog Timer
• Up to 300 second reset
CompactFlash
• Types I & II supported
IDE
• Two (2) IDE ports
090107 OPERATIONS MANUAL EBC-855 2
Software Developers Kit
WinSystems offers software developers kits to provide the necessary hardware, software and
cables to aid program development with the EBC-855 board. The conguration consists of an
operating system, DVD-ROM drive, a hard disk, a 3.5” oppy disk, plus the required cables and
a triple output power supply housed in an enclosure. This packaging permits easy access to the
board, PC/104 modules and peripherals during program development.
The EBC-855 is an x86-compatible SBC. The architecture of the EBC-855 is designed for
embedded board operation in the Windows XP / XP Embedded environment. This board is also
capable of running Linux 2.6, DOS and other operating systems such as QNX or VxWorks. Its
x86-PC software compatibility assures a wide range of tools to aid in developing and checkout
of your application’s program.
Software Support
Floppy Drive
• One (1) 3.5” drive supported
Power
• +5V @ 2.1 A required *
• Valid power supply: AT/ATX
Industrial Operating Temperature Range
• -40°C to 70°C ( 1.8 GHz Pentium M
TM
with fan, 1 GHz ZCD
TM
without fan)
• -40°C to 85°C ( 1 GHz ZCD
TM
with fan)
Form Factor
• EBX-compliant
• 5.75” x 8.00” (147 mm x 203 mm)
Additional Specications
• RoHS compliant
• PC/104 and PC/104-Plus expansion connectors
• Phoenix
®
BIOS
• Backlight power supported
• Custom splash screen on start up
• Real-time clock
• Simultaneous CRT and LVDS at panel supported
• Activity status LEDs onboard
• AC97 Support
• PS/2 Keyboard Supported
• PS/2 Mouse Supported
* (+5V @ 4.25 A required for Intel
®
1.8 GHz Pentium M
TM
)
090107 OPERATIONS MANUAL EBC-855 3
The EBC-855 is based upon the Intel Pentium M or Zero Cache Dothan (ZCD) CPU
which supports two speeds: Pentium M 1.8 GHz and ZCD 1.0 GHz. It uses a Micro-
FCBGA Package of 479-pins based on 90 nm process technology featuring up to 2 MB
L2 Cache and 400 MHz Front-Side Bus(FSB).
Functional Capability
System Processor
The EBC-855 can support a maximum of 1 GB of RAM with the 200-pin SODIMM socket
located on the back of the board at DIMM1.
Qualied SODIMMS are available directly from WinSystems. WinSystems cannot
warrant the operation of systems using nonqualied SODIMM modules.
The RAM can be user supplied, but must meet the following criteria:
200-Pin SODIMM PC2700 DDR SDRAM with gold ngers (up to 1 GB)
Installation is accomplished by inserting the module into the connector at
approximately a 30 degree angle. Press rmly to fully seat the module into the
connector and then press the module downward to snap it into the retaining clamps.
Removal is accomplished by gently pulling outward on the retaining clamps until the
module springs up to the appropriate removal angle.
DMA
DMA is supported. Channel 2 is dedicated to the oppy disk controller. The LPT is
plug-and-play congurable. The other 8-bit DMA channels are wired to the PC/104
connector. 16-bit channels are not supported.
Interrupt Routing
All interrupts are routed to their respective PC/104 bus pins. The Digital I/O is the
only interrupt routing that is jumper selectable at J13. For further details, refer to
the Digital I/O Section later in this manual.
Memory
System Controllers
The EBC-855 uses Intel 855GME for the North Bridge to interface to the CPU, DDR SDRAM
memory and the graphics interface. The 732-pin Micro-FCBGA packages support: a 400
MHz Front-Side Bus (FSB), host bus dynamic bus inversion (DBI), 64-bit host data bus
and 32-bit addressing. The memory system supports 200/266/333 MHz DDR SDRAM
device (up to 1 GB). There is also a graphics controller with LVDS and CRT support.
The Intel ICH4 South Bridge provides many I/O features. It contains two IDE ports
– Primary (HDD) and Secondary (CF) with ATA100, audio codec AC97, four USB ports
(2.0), SM Bus, LAN link to Intel Ethernet controller, general purpose I/O ports, low pin
count bus interface, PCI Bus interface, Real-Time Clock (RTC), watchdog timer and power
management.
Visual
Index
Visual
Index
090107 OPERATIONS MANUAL EBC-855 4
Power is applied to the EBC-855 via the connector at J30 (Molex part number 26-60-
7091). The pin denitions for J30 are given below. An optional push-button-reset
(normally OPEN) may also be routed into J30, pin 9 if desired. Momentary closure to
ground forces a hardware reset.
Power Supply Selection
The EBC-855 supports either AT or ATX type power supplies. J21 species the style of supply
connected to the single board computer (SBC). An AT power supply is a simple on/off supply with
no interaction with the single board computer. Most embedded systems use this type of power
supply and it is the default setting.
ATX type power supplies function with a “soft” on/off power button and a +5 VSB (standby). If
an ATX compatible power supply is connected, J21 should be set accordingly and a power button
(momentary contact) connected between pin 2 (power button) and pin 1 (ground) of J29. The
+5 VSB signal on J29 provides the standby voltage to the EBC-855 but does not power any other
features of the board. When the power button is pressed, the EBC-855 pulls PSON (Power Supply
On) low and the power supply turns on all voltages to the single board computer. When the power
button is pressed again, the BIOS signals the event so ACPI-compliant operating systems can be
shutdown before the power is turned off. Since this is software driven, it is possible that a software
lockup could prevent the power button from functioning properly. For the BIOS to report the ATX
supply to ACPI-compatible operating systems, J21 must be setup correctly.
Note: True ATX power supplies are not applicable for embedded systems. They are typically
300W supplies and may not regulate properly with low power embedded systems such as the
EBC-855.
J30
9 o
8 o
7 o
6 o
5 o
4 o
3 o
2 o
1 o
PB Reset
-12V
+5V
GND
+3.3V (only connects to the PC/104-Plus connector)
+12V
GND
GND
+5V
J29
4 o
3 o
2 o
1 o
PSON
+5VSB
PWRBTN
GND
3 1
o o
o o
4 2
1-2, 3-4 = AT
1 2, 3 4 = ATX
J21
Power and Reset Interface
Visual
Index
090107 OPERATIONS MANUAL EBC-855 5
The EBC-855 BIOS provides conguration exibility, performance and AT-compatibility.
It includes enhancements required for embedded applications like the ability to
boot without a keyboard or video monitor present, and save settings to EEPROM.
Conguration options and instructions are discussed in more detail in the BIOS
Supplemental later in this manual.
Saving BIOS Setup
The EBC-855 provides two methods for saving BIOS setup data:
Standard battery backed CMOS RAM and Nonvolatile EEPROM.
The battery is enabled/disabled using connector J31. For further details, refer to the Battery
Backup Section later in this manual.
The EEPROM write/read functionality is enabled/disabled at J16, pins 3 and 4.
LED Description
OFF Power OFF Mode
GREEN Operating Mode
AMBER Standby Mode
Power LED
An LED located at D20 indicates the state of the system as reected in this table.
Power Fail Reset
A precision voltage comparator monitors the +5V status. Upon detection of an out-of-
tolerance condition, the board is reset. This action is critically important in order to detect
brownout or power fail conditions. The reset circuit also ensures that the power is nominal
before executing a power-on reset. This circuit also inhibits the processor’s memory
write line, preventing invalid data from being written to nonvolatile memory during power
uctuations.
BIOS
Visual
Index
Visual
Index
4 o o 3
2 o o 1
3-4 Enables CMOS setup to/from EEPROM
1 2 Temporarily install to clear CMOS Memory
J16
4 o o 3
2 o o 1
3 4 Restores original factory default CMOS settings
1 2 Temporarily install to clear CMOS Memory
J16
090107 OPERATIONS MANUAL EBC-855 6
A connector is available at J31 to provide battery backup to the real-time clock
and CMOS. The battery input voltage range is 3.0V to 3.6V, ±5%. An extended
temperature lithium battery capable of backing up the EBC-855 is available from
WinSystems, part number BAT-LTC-E-36-27-1 (or BAT-LTC-E-36-16-1 if applicable).
Contact your WinSystems’ Applications Engineer for additional information.
o o o
3 2 1
NC
+VBAT
GND
Battery Backup
Visual
Index
J31
(Provides battery backup to RTC and BIOS CMOS.)
A real-time clock (RTC) is used as the AT-compatible clock/calendar. It supports a number of
features, including periodic and alarm interrupt capabilities. In addition to the time and date
keeping functions, the system conguration is kept in CMOS RAM contained within the clock
section.
Real-Time Clock/Calendar
WARNING: BAT-LTC-E-36-27-1 (or BAT-LTC-E-36-16-1 if applicable)
must be connected at J31. Improper connection may result in
explosive failure. It is possible for the battery to violently explode if
installed incorrectly. Please be careful to note correct connection at
location J31.
090107 OPERATIONS MANUAL EBC-855 7
IDE Support
Two industry standard UDMA/100 capable 16-bit IDE controllers are provided to support
up to four hard disk devices. A red status LED, LED2, provides visual status during IDE
data transfers. The interface to the Primary controller is provided at connector J27 for up
to two 40-pin devices. The Secondary controller interface is provided at CN2 for a 44-pin
device, and at IDE1 for a CompactFlash device. WinSystems offers the cable CBL-126-10
(40-pin) and CBL-266-1 (44-pin) to simplify the connection.
Optional Storage Media
The EBC-855 supports several USB storage devices, including oppy drive, CD-ROM drives, Flash
drives and hard drives. Legacy USB boot operation is supported by the system BIOS. Compatibility
with the Legacy USB boot operation depends on the USB device’s manufacturer and the media
conguration. Not all operating systems support USB boot.
1 o o 2
3 o o 4
5 o o 6
7 o o 8
9 o o 10
11 o o 12
13 o o 14
15 o o 16
17 o o 18
19 o o 20
21 o o 22
23 o o 24
25 o o 26
27 o o 28
29 o o 30
31 o o 32
33 o o 34
35 o o 36
37 o o 38
39 o o 40
GND
D8
D9
D10
D11
D12
D13
D14
D15
N/C
GND
GND
GND
N/C
GND
N/C
66/100 MHz
A2
HDSC1
GND
J27
Reset*
D7
D6
D5
D4
D3
D2
D1
D0
GND
DRQ
IOW
IOR
RDY
DACK
IRQ
A1
A0
HDSC0
LED
1 o o 2
3 o o 4
5 o o 6
7 o o 8
9 o o 10
11 o o 12
13 o o 14
15 o o 16
17 o o 18
19 o o 20
21 o o 22
23 o o 24
25 o o 26
27 o o 28
29 o o 30
31 o o 32
33 o o 34
35 o o 36
37 o o 38
39 o o 40
41 o o 42
43 o o 44
GND
D8
D9
D10
D11
D12
D13
D14
D15
N/C
GND
GND
GND
N/C
GND
IOCS16*
66/100 MHz
A2
HDSC1
GND
VCC
GND
CN2
Reset*
D7
D6
D5
D4
D3
D2
D1
D0
GND
DRQ
IOW
IOR
RDY
DACK
IRQ
A1
A0
HDSC0
LED
VCC
GND
Floppy Drive Support
Optional usage of the WinSystems cable CBL-308-1 is supported to interface to a 3.5” 1.44 MB oppy
drive device via the LPT port. To enable the LPT Floppy option, two CMOS settings are required:
1) Select Advanced | I/O Device Conguration | Set FDC Signals on Parallel Port = [Enabled]
2) Select Advanced | I/O Device Conguration | Set Floppy Disk Controller = [Enabled]
The detailed listing of the pinout for the connector and cable is available in the cable drawings.
Rotational Disk Support
Visual
Index
090107 OPERATIONS MANUAL EBC-855 8
The EBC-855 supports solid state CompactFlash storage devices for applications
where the environment is too harsh for mechanical hard disks or oppy drives.
The CompactFlash socket at IDE1, on the back of the board, supports modules with TrueIDE support.
WinSystems offers industrial grade CompactFlash modules that provide high performance and
extended temperature operation (-40ºC to +85ºC). A red IDE activity LED is present at LED2.
When using a CompactFlash device, Master/Slave selection is made using jumper eld J8.
1 o o 2
3 o o 4
5 o o 6
7 o o 8
9 o o 10
11 o o 12
13 o o 14
15 o o 16
17 o o 18
19 o o 20
21 o o 22
23 o o 24
25 o o 26
27 o o 28
29 o o 30
31 o o 32
33 o o 34
35 o o 36
37 o o 38
39 o o 40
41 o o 42
43 o o 44
45 o o 46
47 o o 48
49 o o 50
D3
D5
D7
GND
GND
GND
GND
GND
A2
A0
D1
N/C
N/C
D12
D14
HDCS1
IOR
CFWE
CFVCC
N/C
RDY
DACK
N/C
D9
GND
IDE1
GND
D4
D6
HDCS0
GND
GND
CFVCC
GND
GND
A1
D0
D2
N/C
D11
D13
D15
GND
IOW
IRQ
Slave/Master
Reset
SDDREQ
LED
D8
D10
2 o o 4
1 o o 3
3 4 not used
1-2 CFlash Master, 1 2 CFlash Slave
CFLASH (J8)
CompactFlash
Visual
Index
090107 OPERATIONS MANUAL EBC-855 9
The EBC-855 provides four, 16C550 compatible, RS-232 serial ports. COM1 and COM2 are
terminated at J28, the 50-pin Multi-I/O connector, and can be congured for RS-232,
RS-485 or RS-422. An adapter cable, part number CBL-247-1, is available from WinSystems
to adapt to the conventional I/O connectors. COM3 and COM4 are RS-232 only and are
terminated at J24. WinSystems offers an adapter cable, CBL-173-1, which adapts J24 to
two standard DB9M connectors. For additional information on cable connection, refer to the
cable drawings.
COM1 and COM2 Conguration
COM1 and COM2 addresses and interrupts are set using the BIOS CMOS setup. Both COM1 and
COM2 can be individually jumpered for any one of the following operating modes:
1. RS-232 Mode
2. RS-422 Mode with RTS transmitter enable
3. RS-422 Mode with auto transmitter enable
4. RS-485 Mode with RTS transmitter enable
5. RS-485 Mode with RTS transmitter enable and echo back
6. RS-485 Mode with auto transmitter enable
7. RS-485 Mode with auto transmitter enable and echo back
Modes 2, 4 and 5 require the RTS bit (MCR Bit 1) be set in order to Transmit.
Mode 4 requires that RTS (MCR Bit 1) be de-asserted in order to receive.
Each of the RS-422/RS-485 modes allow for jumper selection of transmit and/or receive termination
resistor(s). There is an 11-pin conguration jumper for COM1 and COM2 that allows the user
to select the operating mode and its optional features and termination. The jumper numbers
and corresponding port numbers are shown on the following pages. There are three choices for
termination when RS-422 or RS-485 modes are used.
J28 – COM1/COM2 50-pin Multi-I/O Connector
COM1
RS-485 RS-422 RS-232 J28 Pin# RS-232 RS-422 RS-485
N/A N/A DCD 1-2 DSR RX+ N/A
TX/RX+ TX+ RXD 3-4 RTS RX+ N/A
TX/RX- TX- TXD 5-6 CTS N/A N/A
N/A N/A DTR 7-8 RI N/A N/A
GND GND GND 9
TX(100) : Places a 100Ω resistor across the TX+/TX- pair
RX(100) : Places a 100Ω resistor across the RX+/RX- pair
TX/RX(300) : Places a 100Ω Resistor from +5V to TX/RX+, a 100Ω resistor
from TX/RX- to ground and a 100Ω resistor between TX/RX+ and
TX/RX-.
COM2
RS-485 RS-422 RS-232 J28 Pin# RS-232 RS-422 RS-485
10 DCD N/A N/A
N/A RX+ DSR 11-12 RXD TX+ TX/RX+
N/A RX- RTS 13-14 TXD TX- TX/RX-
N/A N/A CTS 15-16 DTR N/A N/A
N/A N/A RI 17-18 GND GND GND
Serial Interface
Visual
Index
090107 OPERATIONS MANUAL EBC-855 10
COM1/COM2 RS-232/RS-422/RS-485 Modes
COM1 is congured by setting jumpers at J17 and COM2 is congured by setting jumpers
at J18, as shown in the tables below. The tables provide the appropriate jumpering for the
various modes.
COM1
Mode
#
Description J17
Termination
J17
TX
(100)
RX
(100)
TX/RX
(300)
1 RS-232 1-2 N/A N/A N/A
2
RS-422
RTS ENABLE
3-4 9-10 13-14 17-18
11-12
13-14
15-16
3
RS-422
AUTO ENABLE
3-5, 9-10 (One node must
use TX-RX 300 Termination)
N/A 17-18
11-12
13-14
15-16
4
RS-485
RTS ENABLE
3-4, 7-8 13-14 N/A
11-12
13-14
15-16
5
RS-485
RTS ENABLE with
Echo-Back
3-4, 6-8 13-14 N/A
11-12
13-14
15-16
6
RS-485
AUTO ENABLE
3-5, 7-8 (One node must
use TX/RX 300 Termination)
13-14 N/A
11-12
13-14
15-16
7
RS-485
AUTO ENABLE with
Echo-Back
3-5, 6-8 (One node must
use TX/RX 300 Termination)
N/A N/A
11-12
13-14
15-16
COM2
Mode
#
Description J18
Termination
J18
TX
(100)
RX
(100)
TX/RX
(300)
1 RS-232 1-2 N/A N/A N/A
2
RS-422
RTS ENABLE
3-4 9-10 13-14 17-18
11-12
13-14
15-16
3
RS-422
AUTO ENABLE
3-5, 9-10 (One node must
use TX-RX 300 Termination)
N/A 17-18
11-12
13-14
15-16
4
RS-485
RTS ENABLE
3-4, 7-8 13-14 N/A
11-12
13-14
15-16
5
RS-485
RTS ENABLE with
Echo-Back
3-4, 6-8 13-14 N/A
11-12
13-14
15-16
6
RS-485
AUTO ENABLE
3-5, 7-8 (One node must
use TX/RX 300 Termination)
13-14 N/A
11-12
13-14
15-16
7
RS-485
AUTO ENABLE with
Echo-Back
3-5, 6-8 (One node must
use TX/RX 300 Termination)
N/A N/A
11-12
13-14
15-16
090107 OPERATIONS MANUAL EBC-855 11
COM3 and COM4 Conguration
The I/O base addresses for COM3 and COM4 are set in CMOS setup. COM3 and COM4 are RS-232
only and are terminated at J24.
WinSystems offers an adapter cable, CBL-173-1, which adapts J24 to two standard DB9M
connectors.
1 o o 2
3 o o 4
5 o o 6
7 o o 8
9 o o 10
11 o o 12
13 o o 14
15 o o 16
17 o o 18
19 o o 20
COM3 - DSR
COM3 - RTS
COM3 - CTS
COM3 - RI
N/C
COM4 - DSR
COM4 - RTS
COM4 - CTS
COM4 - RI
N/C
J24 - COM3/COM4 Connector
COM3 - DCD
COM3 - RX
COM3 - TX
COM3-DTR
GND
COM4 - DCD
COM4 - RX
COM4 - TX
COM4 - DTR
GND
1 2 3 4 5
o o o o o
o o o o
6 7 8 9
RS-232 Mode
1. DCD
2. RX
3. TX
4. DTR
5. GND
6. DSR
7. RTS
8. CTS
9. RI
RS-422 Mode
1. N/A
2. TX+
3. TX-
4. N/A
5. GND
6. RX+
7. RX-
8. N/A
9. N/A
RS-485 Mode
1. N/A
2. TX/RX+
3. TX/RX-
4. N/A
5. GND
6. N/A
7. N/A
8. N/A
9. N/A
Serial Connector Summary (DB9 Pinout)
Visual
Index
090107 OPERATIONS MANUAL EBC-855 12
The EBC-855 has an integrated display controller that provides both a CRT and at panel
display interface.
CRT Output Connection
Video output to a standard VGA monitor is made via the connector at J25. An adapter cable, part
number CBL-234-1, is available from WinSystems to adapt from J25 to the standard DB15 VGA
connector. The pin denitions for the J25 connector are:
Flat Panel Connections
WinSystems provides at panel support with a series of cables and support hardware. Contact
your WinSystems’ Applications Engineer for the most current list of supported panels. This
manual does not attempt to provide any information about how to connect to specic
LCDs. Attempted connection to any at panel not directly supported by WinSystems is at the
user’s risk. Extreme care should be exercised to avoid damaging or destroying the panel. For
additional information contact your WinSystems’ Applications Engineer.
Panel Backlight Connection – Panel backlight connection is made via the connector at J11.
The pinout for J11 is shown here for reference.
2 4 6 8 10 12 14
o o o o o o o
o o o o o o o
1 3 5 7 9 11 13
GND
GND
GND
GND
GND
GND
VCC
RED
GREEN
BLUE
HSYNC
VSYNC
DDCDATA
DDCCLK
J25
1 2 3 4
o o o o
+5V
GND
BACKLIGHT CTRL
+12V POWER
J11
(Revision E Boards and
Previous Board Revisions)
HAZARD WARNING: LCD panels can require a high voltage for the
panel backlight. This high-frequency voltage can exceed 1000 volts
and can present a shock hazard. Care should be taken when wiring
and handling the inverter output. To avoid the danger of shock and
to avoid the panel, make all connection changes with the power
removed.
Video Interface
Visual
Index
1 2 3 4
o o o o
+5V
BACKLIGHT CTRL
GND
+12V POWER
J11
(Revision F Boards or later)
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