Page 1
Reference
Manual
DOC. REV. 1/27/2014
VL-EPM-P2
VL-EPMp-P2
PC/104-Plus Dual Mini PCIe
Adapter
Page 2
WWW.VERSALOGIC.COM
12100 SW Tualatin Road
Tualatin, OR 97062-7341
(503) 747-2261
Fax (971) 224-4708
Copyright © 2014 VersaLogic Corp. All rights reserved.
Notice:
Although every effort has been made to ensure this document is error-free, VersaLogic makes no
representations or warranties with respect to this product and specifically disclaims any implied warranties
of merchantability or fitness for any particular purpose.
VersaLogic reserves the right to revise this product and associated documentation at any time without
obligation to notify anyone of such changes.
PC/104 and the PC/104 logo are trademarks of the PC/104 Consortium. All other trademarks are the
property of their respective owners.
VL-EPM-P2/VL-EPMp-P2 Reference Manual ii
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Product Release Notes
VersaTech KnowledgeBase
Rev 1.0 Release
Initial commercial release.
EPMp-P2 Rev 1.0
Release of module with no ISA pass-through connector.
Support
The product support page contains additional information and resources for this product including:
Reference Manual (PDF format)
Operating system information and software drivers
Datasheets and manufacturers’ links for chips used in this product
The VersaTech KnowledgeBase is an invaluable resource for resolving technical issues with your
VersaLogic product.
VL-EPM-P2/VL-EPMp-P2 Reference Manual iii
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Contents
Introduction ................................................................................................................... 1
Description .......................................................................................................................... 1
Technical Specifications ..................................................................................................... 1
RoHS Compliance .............................................................................................................. 2
About RoHS ........................................................................................................... 2
Warnings ............................................................................................................................. 2
Electrostatic Discharge .......................................................................................... 2
Handling Care ........................................................................................................ 2
Earth Ground Requirement .................................................................................... 2
Technical Support ............................................................................................................... 3
Repair Service ........................................................................................................ 3
Physical Details ............................................................................................................. 4
Dimensions and Mounting .................................................................................................. 4
Hardware Assembly ............................................................................................... 5
Stack Arrangement Example ................................................................................. 5
External Connectors and Jumper Block ............................................................................. 6
Connectors and Jumper Block ............................................................................... 6
Connector Functions and Interface Cables ............................................................ 8
Jumper Summary ................................................................................................... 8
Interfaces and Connectors ........................................................................................... 9
PCI Express Mini Card Sockets ......................................................................................... 9
LED_WWAN#, LED_WLAN#, and LED_WPAN# Signals.............................. 10
Appendix A – References............................................................................................ 11
VL-EPM-P2/VL-EPMp-P2 Reference Manual iv
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High-speed PCI interface
Pass-through ISA interface (VL-EPM-
P2 only)
Two PCI Express Mini Card interfaces
compatible with WiFi, MIL-STD-1553
bus, cell modem, flash, and other PCIe
Mini Card devices
Board Size:
90 mm x 96 mm (3.55” x 3.775")
Storage Temperature:
-40° to +85°C
Operating Temperature:
-40° to +85°C
Power Requirements:
+5V supplied from PC/104-Plus interface
Compatibility:
PC/104-Plus (PCI only or PCI + ISA)
Weight (no PCIe Mini Card installed):
VL-EPM-P2A – 0.168 lb (0.076 kg)
1 1
Description
The VL-EPM-P2/VL-EPMp-P2 module provides a dual PCI Express (PCIe) Mini Card interface
for PC/104-Plus systems. It is fully compatible with a wide selection of popular operating
systems such as Windows, Windows Embedded, Linux, VxWorks, and QNX. Its features
include:
Introduction
The module features high-reliability design and construction. VL-EPM-P2/VL-EPMp-P2 boards
are subjected to 100% functional testing and are backed by a limited two-year warranty. Careful
part sourcing and US-based technical support ensure the highest possible quality, reliability,
service, and product longevity for this exceptional module.
Technical Specifications
Specifications are subject to change without notification.
VL-EPM-P2/VL-EPMp-P2 Reference Manual 1
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RoHS Compliance
The VL-EPM-P2/VL-EPMp-P2 is RoHS-compliant.
ABOUT ROHS
In 2003, the European Union issued Directive 2002/95/EC regarding the Restriction of the use of
certain Hazardous Substances (RoHS) in electrical and electronic equipment.
The RoHS directive requires producers of electrical and electronic equipment to reduce to
acceptable levels the presence of six environmentally sensitive substances: lead, mercury,
cadmium, hexavalent chromium, and the presence of polybrominated biphenyls (PBB) and
polybrominated diphenyl ethers (PBDE) flame retardants, in certain electrical and electronic
products sold in the European Union (EU) beginning July 1, 2006.
VersaLogic Corp. is committed to supporting customers with high-quality products and services
meeting the European Union’s RoHS directive.
Warnings
Introduction
ELECTROSTATIC DISCHARGE
Warning! Electrostatic discharge (ESD) can damage circuit boards, disk drives, and other
components. The circuit board must only be handled at an ESD workstation. If an
approved station is not available, some measure of protection can be provided by
wearing a grounded antistatic wrist strap. Keep all plastic away from the board,
and do not slide the board over any surface.
After removing the board from its protective wrapper, place the board on a
grounded, static-free surface, component side up. Use an antistatic foam pad if
available.
The board should also be protected inside a closed metallic antistatic envelope
during shipment or storage.
HANDLING CARE
Warning! Care must be taken when handling the board not to touch the exposed circuitry
with your fingers. Though it will not damage the circuitry, it is possible that small
amounts of oil or perspiration on the skin could have enough conductivity to cause
the contents of CMOS RAM to become corrupted through careless handling,
resulting in CMOS resetting to factory defaults.
EARTH GROUND REQUIREMENT
Warning! All mounting standoffs should be connected to earth ground (chassis ground). This
provides proper grounding for ESD and EMI purposes.
VL-EPM-P2/VL-EPMp-P2 Reference Manual 2
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Technical Support
Product Support Page
VersaTech KnowledgeBase
If you are unable to solve a problem after reading this manual, please visit the product support
web page below. The support page provides links to component datasheets, device drivers, and
BIOS and PLD code updates.
The VersaTech KnowledgeBase contains a wealth of technical information about VersaLogic
products, along with product advisories. Click the link below to see all KnowledgeBase articles
related to the product.
Introduction
If you have further questions, contact VersaLogic Technical Support at (503) 747-2261.
VersaLogic support engineers are also available via e-mail at Support@VersaLogic.com.
REPAIR SERVICE
If your product requires service, you must obtain a Returned Material Authorization (RMA)
number by calling (503) 747-2261. Please provide the following information:
Your name, the name of your company, your phone number, and e-mail address
The name of a technician or engineer that can be contacted if any questions arise
Quantity of items being returned
The model and serial number (barcode) of each item
A detailed description of the problem
Steps you have taken to resolve or recreate the problem
The return shipping address
Warranty Repair All parts and labor charges are covered, including return shipping
charges for UPS Ground delivery to United States addresses.
Non-warranty Repair All non-warranty repairs are subject to diagnosis and labor charges,
parts charges, and return shipping fees. Please specify the shipping
method you prefer and provide a purchase order number for invoicing
the repair.
Note: Please mark the RMA number clearly on the outside of the box before
VL-EPM-P2/VL-EPMp-P2 Reference Manual 3
returning.
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2
2
–0.200
0.000
3.150
3.350
0.150
0.000
-0.200
3.575
3.375
3.050
0.125 DIA x4
Use 3 mm or #4
standoffs
+ + +
+
Dimensions and Mounting
The VL-EPM-P2/VL-EPMp-P2 complies with PC/104 dimensional standards. Dimensions are
given below to help with pre-production planning and layout.
Physical Details
VL-EPM-P2/VL-EPMp-P2 Reference Manual 4
Figure 1. Module Dimensions and Mounting Holes
(Not to scale. All dimensions in inches.)
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System Features
HARDWARE ASSEMBLY
The VL-EPM-P2 uses both PC/104-Plus (PCI + ISA) connectors, and the VL-EPMp-P2 uses
only the PCI connector. The module can be installed in PCI stack position 0-3. As shipped, the
VL-EPM-P2 is configured for position 0 (first on the stack adjacent to the CPU board). Make
sure that jumper V2 matches the chosen stack position (see Jumper Summary). PC/104 (ISA)
modules must not be positioned between the VL-EPM-P2 and any PC/104-Plus (PCI + ISA)
modules on the stack.
The entire assembly can sit on a table top or be secured to a base plate. When bolting the unit
down, make sure to secure all four standoffs to the mounting surface to prevent circuit board
flexing. Standoffs are secured to the top circuit board using four pan head screws. Standoffs and
screws are available as part number VL-HDW-105 (metric thread) or VL-HDW-106 (English
thread).
An extractor tool is available (part number VL-HDW-201) to separate modules from the stack.
Use caution when using the extractor tool not to damage any board components.
STACK ARRANGEMENT EXAMPLE
The figure below shows the VL-EPM-P2 installed above the CPU board in the PC/104-Plus
stack. The module can be installed in slots 0-3. Jumper block V2 must be configured to match the
module's stack position.
VL-EPM-P2/VL-EPMp-P2 Reference Manual 5
Figure 2. Stack Arrangement Example
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External Connectors and Jumper Block
J3 PCI
= Pin 1
J4 ISA Pass-through
V2
4
3
2
1
J2
PCIe Mini Card
J1
PCIe Mini Card
CONNECTORS AND JUMPER BLOCK
System Features
Figure 3. Module Connectors and Jumper Blocks – Top Side
VL-EPM-P2/VL-EPMp-P2 Reference Manual 6
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System Features
= Pin 1
J6
PCI
J4
ISA Pass-through
(VL-EPM-P2 only)
Figure 4. Module Connectors – Bottom Side
VL-EPM-P2/VL-EPMp-P2 Reference Manual 7
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System Features
Connector
Function
Mating Connector
Transition
Cable
Cable Description
Pin 1 Location1
x coord. y coord.
Page
J1
PCIe Mini Card
— — —
3.100
2.700 9 J2
PCIe Mini Card
— — —
1.000
2.700 9 J3
PCI
AMP 1375799-1
— — 0.450
3.139
—
J4
ISA Pass-through
(VL-EPM-P2)
AMP 1375795-2
— — 0.050
0.200
—
Jumper
Block
Description
As
Shipped
V2[1-2]
V2[3-4]
PCI Slot Assignment.
PCI Slot V2[3-4] V2[1-2]
Slot 0 In In
Slot 1 In Out
Slot 2 Out In
Slot 3 Out Out
Slot 0
CONNECTOR FUNCTIONS AND INTERFACE CABLES
Table 1 provides information about the function, mating connectors, and transition cables for
VL-EPM-P2 connectors.
Table 1: Connector Functions and Interface Cables
1. Origin is the lower left mounting hole as shown in Figure 3. All coordinates in inches.
JUMPER SUMMARY
Table 2: Jumper Summary
VL-EPM-P2/VL-EPMp-P2 Reference Manual 8
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Pin
Signal Name
Function
Pin
Signal Name
Function
1
WAKE#
Wake 2
3.3VAUX
3.3V auxiliary source
3
NC
Not connected
4 GND
Ground
5
NC
Not connected
6 1.5V
1.5V power
7
CLKREQ#
Reference clock request
8 NC
Not connected
9
GND
Ground
10
NC
Not connected
11
REFCLK-
Reference clock input –
12
NC
Not connected
13
REFCLK+
Reference clock input +
14
NC
Not connected
15
GND
Ground
16
NC
Not connected
17
NC
Not connected
18
GND
Ground
19
NC
Not connected
20
W_DISABLE#
Wireless disable
21
GND
Ground
22
PERST#
Card reset
23
PERn0
Lane 0 receive –
24
3.3VAUX
3.3V auxiliary source
25
PERp0
Lane 0 receive +
26
GND
Ground
27
GND
Ground
28
1.5V
1.5V power
29
GND
Ground
30
NC
Not connected
31
PETn0
PCIe lane 0 transmit –
32
NC
Not connected
33
PETp0
PCIe lane 0 transmit +
34
GND
Ground
35
GND
Ground
36
NC
Not connected
37
GND
Ground
38
NC
Not connected
39
3.3VAUX
3.3V auxiliary source
40
GND
Ground
41
3.3VAUX
3.3V auxiliary source
42
LED_WWAN#
Wireless WAN LED
43
GND
Ground
44
LED_WLAN#
Wireless LAN LED
45
NC
Not connected
46
LED_WPAN#
Wireless PAN LED
47
NC
Not connected
48
1.5V
1.5V power
49
NC
Not connected
50
GND
Ground
51
NC
Not connected
52
3.3VAUX
3.3V auxiliary source
5 3
Interfaces and Connectors
PCI Express Mini Card Sockets
The PCI Express Mini Card connectors at J1 and J2 accept a full-height PCI Express Mini Card.
Each interface includes one PCIe x1 lane. The socket is compatible with 802.11a/b/g Wi-Fi
network adapters that operate in both the 2.4 and 5.0 GHz spectra, GPS radio cards that enable
time/date stamps and global location applications, 3G modems, and solid-state drives (SSDs).
Table 3: PCIe Mini Card Pinout
An optional Intel WiFi Link 5300 PCI Express Mini card is available for the module as
VersaLogic part number VL-WD10-CBN. A WiFi antenna (VL-CBR-ANT01) and a 12" WiFi
card to bulkhead RP-SMA transition cable (VL-CBR-0201) are also available. For more
information, contact Sales@VersaLogic.com.
To secure a Mini Card to the module use two screws (M2.5 x 6mm, Philips, pan head, 4mm,
stainless) and two washers (M2.5, split lock, OD 4.4mm, stainless). Nylon screws are available
in 10-count packages as part number VL-HDW-108.
VL-EPM-P2/VL-EPMp-P2 Reference Manual 9
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Special Registers
LED
Color
J2 Pin
Function
D1
Green
46
Defined by Mini Card device LED_WPAN# implementation.
D1
Orange
44
Defined by Mini Card device LED_WLAN# implementation.
D2
Green
42
Defined by Mini Card device LED_WWAN# implementation.
D2
Orange
–
Power status indicator.
LED_WWAN#, LED_WLAN#, AND LED_WPAN# SIGNALS
The LED status indicator signals are provided to enable wireless communications add-in cards to
provide status indications via the built-in LEDs at positions D1 and D2 (for J1) and D3 and D4
(for J2) on the module. The behavior of the LEDs is determined by the add-in card manufacturer.
The table below shows the routing of the D1 and D2 LEDs to the Mini Card LED status signals.
Table 4: WiFi Mini Card LED Functions
VL-EPM-P2/VL-EPMp-P2 Reference Manual 10
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PC/104 Interface
PC/104 Specification
PC/104-Plus Interface
PC/104-Plus Specification
A A
Appendix A – References
VL-EPM-P2/VL-EPMp-P2 Reference Manual 11
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