OSS OSS-KIT-EXP-2050 User manual

PCIe x4 Gen2 Host to ECA Kit User Manual
PCIe x4 Gen2 Host to ECA Kit (2050)
SKU: OSS-KIT-EXP-2050
www.onestopsystems.com

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Table of Contents
1Overview ....................................................................................................................................................................... 3
1.1 Description................................................................................................................................................................................................ 3
1.2 Features .................................................................................................................................................................................................... 4
1.2.1 ECA ...................................................................................................................................................................................................... 4
1.2.2 Adapter Cards...................................................................................................................................................................................... 4
1.2.3 x4 Link Cable........................................................................................................................................................................................ 4
1.3 Specifications ............................................................................................................................................................................................ 5
1.3.1 Host Cable Adapter card...................................................................................................................................................................... 5
1.3.2 PCIe x4 Cable ....................................................................................................................................................................................... 5
1.3.3 ECA (Expansion Cable Adapter) board ................................................................................................................................................. 6
2Component Identification .............................................................................................................................................. 7
2.1 Host cable adapter card ............................................................................................................................................................................ 7
2.2 Expansion Cable Adapter .......................................................................................................................................................................... 8
3Installation Instructions ................................................................................................................................................. 9
3.1 Installing the Adapter Kit........................................................................................................................................................................... 9
3.2 Using the ECA............................................................................................................................................................................................ 9
3.3 Operation................................................................................................................................................................................................ 10
3.4 Using any Third-party I/O device............................................................................................................................................................. 10
3.5 Removing the PCIe cable......................................................................................................................................................................... 10
4Technical Information ...................................................................................................................................................11
4.1 Signal Adjustment ................................................................................................................................................................................... 11
4.2 Pin Assignments ...................................................................................................................................................................................... 11
4.3 PCI Express x4 Connector PIN Assignment.............................................................................................................................................. 14
5Contacting Technical Support ........................................................................................................................................19
6Returning Merchandise to One Stop Systems ................................................................................................................19

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1Overview
1.1 Description
Create your own PCI Express-based expansion system with One Stop Systems' easy-to-install Express Cable Expansion Kit 2050. The host
interface board installs into a PCIe x4, x8, or x16 connector in your host motherboard or backplane.
The expansion cable adapter (ECA) is a free-standing board with four screw mounting holes and can be mounted into an enclosure. The ECA slot
operates at x4 speeds but its x16 connector can accommodate a PCIe x4, x8, or x16 add-in card. The Cable Expansion Kit 2000 allows you to
operate any PCI Express-based device remotely over a cable.
Gen 2 products operate at 5Gb/s per lane, or twice the bandwidth of Gen 1 products. Therefore, PCIe x4 Gen 2 products operate at 20Gb/s
when inserted in a x4 or higher slot. Only use a PCIe Gen 1 or Gen 2 device with this kit. A PCIe Gen 3 card will not work properly.

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1.2 Features
1.2.1 ECA
The target expansion cable adapter is a free-standing x4 adapter board with a x16 connector.
Slot is x16 Gen 2
The ECA slot operates at x4 speeds but its x16 connector can accommodate a PCIe x4, x8, or x16 add-in card
Powered by standard ATX power
1.2.2 Adapter Cards
The Host adapter card inserts into any PCI Express x4, x8, 16 slot on the host motherboard.
The Target adapter card operates ONLY in the OSS backplane target slot.
Both Host and Target adapter cards have PWR and CBL LED indicators.
Support half-height bracket.
The Host and Target cable adapter cards require no software / drivers
1.2.3 x4 Link Cable
Available in 1m, 2m, 3m, 5m, 7m lengths.
PCI-SIG Express Cable Specification Compliant.
Includes x4 PCIe lane and side-band signals for:
oPower ON
oReset
oPCIe clock
oCable Present
oWake
Positive latching mechanism per PCI-SIG specification
Support 10 Gbps full-duplex transfer rates.

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1.3 Specifications
1.3.1 Host Cable Adapter card
PCIe x4 Host Cable Adapter Card (SKU : OSS-PCIe-HIB25-X4-H)
Dimension (H x L)
2.7” x 3.1” (68 x 78mm)
Front Panel Connectors
One PCIe x4 cable connectors
Front Panel Indicators
Power ON / Cable Present LED
Red-drivers
Pericom P12EQX5804
Temperature Range
0° to 50°C (32° to 122°F)
Relative Humidity
10 to 90% non-condensing
Shock
30g Acceleration peak (11 ms pulse)
Vibration
5-17 Hz 0.5” double amplitude displacement; 7-2000Hz, 1.5g acceleration
Power Consumption
Agency Compliance
FCC Class B, CE, ROHS
Temperature Range
0° to 50°C (32° to 122°F)
1.3.2 PCIe x4 Cable
PCIe x4 Cable (SKU : OSS-PCIe-CBL-x4.1M) 1 meter long cable
Cable Length
1m, 2m, 3m, 5m, 7m
Circuits loaded
38
Gender
Male-to-Male
Lock to Mating Part
Yes
Material-Metal
Zinc Alloy
Pitch-Mating Interface
0.80mm (0.31)
Single Ended
No
Water proof / Dust
proof
Yes
Wire Insulator
Diameter
N/A
Wire Size AWG
28
Wire / Cable Type
Round
Electrical Current
1A Max per contact
Shielded
Yes
Voltage-Maximum
30V DC

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1.3.3 ECA (Expansion Cable Adapter) board
ECA (SKU : OSS-PCIe-ECA-x4)
Form Factor
PCI Express x4 PCIe short add-in card
Dimension (H x L)
2.7 x 6.6 inches (69 x 161 mm)
Front Panel Connectors
Molex 75586-0010
Front Panel Indicators
Power On / Cable Present LEDs
Power Consumption
3.75W maximum; 3.3V @ 1.75; 2.6W; .5A @ 5 Vaux
Temperature Range
0° to 50°C (32° to 122°F)
Relative Humidity
10 to 90% non-condensing
Shock
30g Acceleration peak (11 ms pulse)
Vibration
5-17 Hz 0.5” double amplitude displacement; 7-2000Hz, 1.5g acceleration
Red-drivers
Pericom PI2EQX4401
Agency Compliance
UL60950, FCC Class B, CE safety and emissions

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2Component Identification
2.1 Host cable adapter card
The PCIe x4 expansion kit contains two cable adapter boards, the host cable adapter and the target cable adapter. The host adapter inserts into
the host computer’s PCIe x4, x8 or x16 slot. The host cable adapter (Part # OSS-PCIe-HIB25-x4-H) allows communication between a processor
and an I/O point. The target adapter inserts into the designated target slot.
Cable LED indicators are the same for both Host and Target configurations.
2.1.2 Clock direction in Host configuration

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2.2 Expansion Cable Adapter
2.2.2 Clock direction in Host configuration

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3Installation Instructions
3.1 Installing the Adapter Kit
1. Insert the host cable adapter into an appropriate PCIe slot of the host computer. For example, a PCIe x4 host board can be inserted
into a PCIe x16, x8, or x4 slot. It will still operate at x4 speeds. Secure the cable adapter card
3.2 Using the ECA
1. Insert the x4 cable into the ECA card.
2. Plug-in the ATX power supply cable into the 24pin ATX power connector. Note: Sometimes an external load is necessary for ATX
power supplies to regulate properly. (i.e. connecting hard drive power).
3. Plug in the add-in card or PCIe card in the available IO slot (Endpoint slot: also known as expansion slot and / or downstream slot).

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4. Connect the x4 PCIe cable to both cables adapter cards. Press the green TAB while slowly inserting the cable, and then release it to
lock the cable. See photos below.
3.3 Operation
1. Power up the power supply
2. Power up the host system.
3. The I/O board will start automatically.
3.4 Using any Third-party I/O device
1. The add-in card or third-party I/O device must be installed in the endpoint slot (expansion slot / downstream port).
2. Connect the external power source (separate from the host system power supply) to the add-in card or PCIe card device if
necessary.
3.5 Removing the PCIe cable
1. To remove the cable, press down or pull the green tab and slowly pull out the cable.

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4Technical Information
The transmit and receive signals on the OSS-HIB-25x4 are driven and conditioned by Pericom redriver chips. Adjustments can be made to
equalization, de-emphasis and output swing. These controls are factory set by the use of zero Ohm resistors.
In the following tables, a 0 indicates that a zero Ohm resistor has been installed and a 1 indicates no resistor. In rare cases, mostly where non-
OSS equipment is used with the HIB-25x4, these adjustments may need to be changed. The following tables are made available for this
purpose. It is highly recommended to contact OSS customer support before making changes to these settings. Having the customer solder to
the board should void the warranty.
4.1 Signal Adjustment
4.2 Pin Assignments
Host and Target card connectors (x4 Card Edge Connector)
The pins are numbered as shown with side A on the top of the centerline on the solder side of the board and side B on the bottom of
the centerline on the component side of the board.
The PCIe interface pins PETpx, PETnx, PERpx, and PERnx are named with the following convention: “PE” stands for PCIe high speed,
“T” for Transmitter, “R” for Receiver, “p” for positive (+), and “n” for negative (-).
Note that adjacent differential pairs are separated by two ground pins to manage the connector crosstalk.

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Pin-out for the PCIe x4 Card Edge Connector on the “Host Cable Adapter”
Pin
#
Side B
Side A
Name
Description
Name
Description
1
N/C
N/C
PRSNT1#
Hot-Plug presence detect
2
N/C
N/C
N/C
N/C
3
N/C
N/C
N/C
N/C
4
GND
Ground
GND
Ground
5
NC
N/C
N/C
Not connected
6
N/C
N/C
JTAG3
TDI (Test Data Input)
7
GND
Ground
JTAG4
TDO (Test Data Output)
8
+3.3V
3.3 V power
N/C
Not connected
9
N/C
Not connected
N/C
Not connected
10
3.3Vaux
3.3 V auxiliary power
+3.3V
3.3 V power
11
N/C
N/C
PERST#
Fundamental reset
Mechanical key
12
RSVD
Reserved
GND
Ground
13
GND
Ground
REFCLK+
Reference clock (differential
pair)
14
PETp0
Transmitter differential pair,
Lane 0
REFCLK
15
PETn0
GND
Ground
16
GND
Ground
PERp0
Receiver differential pair, Lane 0
17
PRSNT2#
Hot-Plug presence detect
PERn0
18
GND
Ground
GND
Ground
19
PETp1
Transmitter differential pair,
Lane 1
RSVD
Reserved
20
PETn1
GND
Ground
21
GND
Ground
PERp1
Receiver differential pair, Lane 1
22
GND
Ground
PERn1
23
PETp2
Transmitter differential pair,
Lane 2
GND
Ground
24
PETn2
GND
Ground
25
GND
Ground
PERp2
Receiver differential pair, Lane 2
26
GND
Ground
PERn2
27
PETp3
Transmitter differential pair,
Lane 3
GND
Ground
28
PETn3
GND
Ground
29
GND
Ground
PERp3
Receiver differential pair, Lane 3
30
RSVD
Reserved
PERn3
31
PRSNT2#
Hot-Plug presence detect
GND
Ground
32
GND
Ground
RSVD
Reserved

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Target card pinout shown below:
Pin
#
Side B
Side A
Name
Description
Name
Description
1
N/C
N/C
PRSNT1#
Hot-Plug presence detect
2
N/C
N/C
N/C
N/C
3
N/C
N/C
N/C
N/C
4
GND
Ground
GND
Ground
5
NC
N/C
N/C
Not connected
6
N/C
N/C
REFCLKOUT+ output
output for TARGETMODE
7
GND
Ground
is REFCLKOUT- output
output for TARGETMODE
8
+3.3V
3.3 V power
N/C
Not connected
9
PWRON#
output for TARGETMODE
+3.3V
3.3 V power
10
3.3Vaux
3.3 V auxiliary power
+3.3V
3.3 V power
11
N/C
N/C
PERST#
Fundamental reset
Mechanical key
12
RSVD
Reserved
GND
Ground
13
GND
Ground
REFCLKIN+ input for
HOSTMODE
Reference clock (differential
pair)
14
PETp0
Transmitter differential pair,
Lane 0
REFCLKIN- input for
HOSTMODE
15
PETn0
GND
Ground
16
GND
Ground
PERp0
Receiver differential pair, Lane 0
17
PRSNT2#
Hot-Plug presence detect
PERn0
18
GND
Ground
GND
Ground
19
PETp1
Transmitter differential pair,
Lane 1
RSVD
Reserved
20
PETn1
GND
Ground
21
GND
Ground
PERp1
Receiver differential pair, Lane 1
22
GND
Ground
PERn1
23
PETp2
Transmitter differential pair,
Lane 2
GND
Ground
24
PETn2
GND
Ground
25
GND
Ground
PERp2
Receiver differential pair, Lane 2
26
GND
Ground
PERn2
27
PETp3
Transmitter differential pair,
Lane 3
GND
Ground
28
PETn3
GND
Ground
29
GND
Ground
PERp3
Receiver differential pair, Lane 3
30
RSVD
Reserved
PERn3
31
PRSNT2#
Hot-Plug presence detect
GND
Ground
32
GND
Ground
RSVD
Reserved
Notes:
1. Optional signals that are not implemented are left as no connects on the board side connector.
2. Reserved signals are no connects on the board side connector.
3. Although support of CWAKE# is optional from the board side connector perspective, an allocated wire is mandated for the cable
assembly.
4. Board side pin-outs on both sides of the Link are identical. The cable assembly incorporates a null modem for the PCIe transmit and
receive pairs.

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4.3 PCI Express x4 Connector PIN Assignment
Pin-out for the PCIe x4 Cable
Pin #
Cable Side 1
Cable Side 2
Pin #
A1 A4 A7 A10 A13
A16 B1 B4 B7 B10
B13
GND
Drain Wires
GND
A1 A4 A7 A10 A13
A16 B1 B4 B7 B10
B13
A2
PETp0
Differential Pair
PERp0
B2
A3
PETn0
PERn0
B3
A5
PETp1
Differential Pair
PERp1
B5
A6
PETn1
PERn1
B6
Pin #
Cable Side 1
Cable Side 2
Pin #
A8
PETp2
Differential Pair
PERp2
B8
A9
PETn2
PERn2
B9
A11
PETp3
Differential Pair
PERp3
B11
A12
PETn3
PERn3
B12
A14
CREFCLK+
Differential Pair
CREFCLK+
A14
A15
CREFCLK
CREFCLK-
A15
A17
SB_RTN
Hook-up Wire
SB_RTN
A17
A18
CPRSNT#
Hook-up Wire
CPRSNT#
A18
A19
CPWRON
Hook-up Wire
CPWRON
A19
B2
PERp0
Differential Pair
PETp0
A2
B3
PERn0
PETn0
A3
B5
PERp1
Differential Pair
PETp1
A5
B6
PERn1
PETn1
A6
B8
PERp2
Differential Pair
PETp2
A8
B9
PERn2
PETn2
A9
B11
PERp3
Differential Pair
PETp3
A11
B12
PERn3
PETn3
A12
B14
PWR
NC
PWR
B14
B15
PWR
NC
PWR
B15
B16
PWR_RTN
NC
PWR_RTN
B16
B17
PWR_RTN
NC
PWR_RTN
B17
B18
CWAKE#
Hook-up Wire
CWAKE#
B18
B19
CPERST#
Hook-up Wire
CPERST#
B19
Back shell
Chassis Ground
Overall Cable
Braid
Chassis Ground
Back shell

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Signal Descriptions
X16 Connector Pin-outs: Target Slot
Name
Pin #
Pin #
Name
Mechanical Key
+12V
B1
A1
GND
+12V
B2
A2
+12V
+12V
B3
A3
+12V
GND
B4
A4
GND
SMCLK
B5
A5
NC
SMDAT
B6
A6
REFCLK1+
GND
B7
A7
REFCLK1-
+3.3V
B8
A8
NC
PS_ON#
B9
A9
+3.3V
3.3Vaux
B10
A10
+3.3V
WAKE#
B11
A11
PERST#
RSVD
B12
A12
GND
End of the x1
Connector
GND
B13
A13
REFCLK2+
PETp0
B14
A14
REFCLK2-
PETn0
B15
A15
GND
GND
B16
A16
PERp0
PRSNT_X1#
B17
A17
PERn0
GND
B18
A18
GND
PETp1
B19
A19
RSVD
End of the x4
Connector
PETn1
B20
A20
GND
GND
B21
A21
PERp1
GND
B22
A22
PERn1
PETp2
B23
A23
GND
PETn2
B24
A24
GND
GND
B25
A25
PERp2
GND
B26
A26
PERn2
PETp3
B27
A27
GND
PETn3
B28
A28
GND
GND
B29
A29
PERp3
RSVD
B30
A30
PERn3
PRSNT_X4#
B31
A31
GND
GND
B32
A32
RSVD
PETp4
B33
A33
RSVD
End of the x8
Connector
PETn4
B34
A34
GND
GND
B35
A35
PERp4
GND
B36
A36
PERn4
PETp5
B37
A37
GND
PETn5
B38
A38
GND
PETp(x)
PCI Express Transmit Positive signal of (x) pair.
PETn(x)
PCI Express Transmit Negative signal of (x) pair.
PERp(x)
PCI Express Receive Positive signal of (x) pair.
PERn(x)
PCI Express Receive Negative signal of (x) pair.
CREFCLK+/-
Cable REFerence CLocK: Provides a reference clock from the host system to
the remote system.
SB_RTN
Side Band ReTurN: return path for single ended signals from remote systems.
CPRSNT#
Cable PReSeNT: Indicates the presence of a device beyond the cable.
PWR
PoWeR: Provides local power for in-cable redriver circuits. Only needed on
long cables. Power does not go across the cable.)
PWR_RTN
PoWeR ReTurN: Provides local power return path for PWR pins.
CWAKE#
Cable WAKE
CPERST#
Cable PCI Express Reset

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GND
B39
A39
PERp5
GND
B40
A40
PERn5
PETp6
B41
A41
GND
PETn6
B42
A42
GND
GND
B43
A43
PERp6
GND
B44
A44
PERn6
PETp7
B45
A45
GND
PETn7
B46
A46
GND
GND
B47
A47
PERp7
PRSNT_X8#
B48
A48
PERn7
GND
B49
A49
GND
PETp8
B50
A50
RSVD
End of the x16
Connector
PETn8
B51
A51
GND
GND
B52
A52
PERp8
GND
B53
A53
PERn8
PETp9
B54
A54
GND
PETn9
B55
A55
GND
GND
B56
A56
PERp9
GND
B57
A57
PERn9
PETp10
B58
A58
GND
PETn10
B59
A59
GND
GND
B60
A60
PERp10
GND
B61
A61
PERn10
PETp11
B62
A62
GND
PETn11
B63
A63
GND
GND
B64
A64
PERp11
GND
B65
A65
PERn11
PETp12
B66
A66
GND
PETn12
B67
A67
GND
GND
B68
A68
PERp12
GND
B69
A69
PERn12
PETp13
B70
A70
GND
PETn13
B71
A71
GND
GND
B72
A72
PERp13
GND
B73
A73
PERn13
PETp14
B74
A74
GND
PETn14
B75
A75
GND
GND
B76
A76
PERp14
GND
B77
A77
PERn14
PETp15
B78
A78
GND
PETn15
B79
A79
GND
GND
B80
A80
PERp15
PRSNT_X16#
B81
A81
PERn15
RSVD
B82
A82
GND

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Endpoint Slot
Pin #
Name
Pin #
Name
Mechanical Key
B1
+12V
A1
GND
B2
+12V
A2
+12V
B3
+12V
A3
+12V
B4
GND
A4
GND
B5
SMCLK
A5
NC
B6
SMDAT
A6
REFCLK2+
B7
GND
A7
REFCLK2-
B8
+3.3V
A8
NC
B9
NC
A9
+3.3V
B10
3.3Vaux
A10
+3.3V
B11
WAKE#
A11
PERST#
B12
RSVD
A12
GND
End of the x1
Connector
B13
GND
A13
REFCLK1+
B14
PERp0
A14
REFCLK1-
B15
PERn0
A15
GND
B16
GND
A16
PETp0
B17
PRSNT_X1#
A17
PETn0
B18
GND
A18
GND
B19
PERp1
A19
RSVD
End of the x4
Connector
B20
PERn1
A20
GND
B21
GND
A21
PETp1
B22
GND
A22
PETn1
B23
PERp2
A23
GND
B24
PERn2
A24
GND
B25
GND
A25
PETp2
B26
GND
A26
PETn2
B27
PERp3
A27
GND
B28
PERn3
A28
GND
B29
GND
A29
PETp3
B30
RSVD
A30
PETn3
B31
PRSNT_X4#
A31
GND
B32
GND
A32
RSVD
B33
PERp4
A33
RSVD
End of the x8
Connector
B34
PERn4
A34
GND
B35
GND
A35
PETp4
B36
GND
A36
PETn4
B37
PERp5
A37
GND
B38
PERn5
A38
GND
B39
GND
A39
PETp5
B40
GND
A40
PETn5
B41
PERp6
A41
GND
B42
PERn6
A42
GND
B43
GND
A43
PETp6
B44
GND
A44
PETn6
B45
PERp7
A45
GND
B46
PERn7
A46
GND
B47
GND
A47
PETp7
B48
PRSNT_X8#
A48
PETn7
B49
GND
A49
GND
B50
PERp8
A50
RSVD
End of the x16
Connector
B51
PERn8
A51
GND
B52
GND
A52
PETp8
B53
GND
A53
PETn8
B54
PERp9
A54
GND
B55
PERn9
A55
GND
B56
GND
A56
PETp9
B57
GND
A57
PETn9

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B58
PERp10
A58
GND
B59
PERn10
A59
GND
B60
GND
A60
PETp10
B61
GND
A61
PETn10
B62
PERp11
A62
GND
B63
PERn11
A63
GND
B64
GND
A64
PETp11
B65
GND
A65
PETn11
B66
PERp12
A66
GND
B67
PERn12
A67
GND
B68
GND
A68
PETp12
B69
GND
A69
PETn12
B70
PERp13
A70
GND
B71
PERn13
A71
GND
B72
GND
A72
PETp13
B73
GND
A73
PETn13
B74
PERp14
A74
GND
B75
PERn14
A75
GND
B76
GND
A76
PETp14
B77
GND
A77
PETn14
B78
PERp15
A78
GND
B79
PERn15
A79
GND
B80
GND
A80
PETp15
B81
PRSNT_X16#
A81
PETn15
B82
RSVD
A82
GND

One Stop Systems
OSS-KIT-EXP-2050| 19
5Contacting Technical Support
Our support department can be by phone at 1 (760) 745-9883. Support is available Monday through Friday, 8:00 AM to 5:00 PM PT. When
contacting One Stop Systems Technical Support, please be sure to include the following information:
1) Name
2) Company Name
3) Phone Number
4) Fax Number
5) Email Address
6) Model Number
7) Serial Number
8) Computer Make
9) Computer Model
10) Operating System and Version
11) Make/Model of PCI cards in expansion chassis
12) Detailed description of the problem
You can also visit our web site at: HTwww.onestopsystems/support/T
For a quick response, use the Technical Support and RMA Request Form available in the Support Section of the website. Simply complete the
form with all required information. Please make sure that your problem description is sufficiently detailed to help us understand your problem.
For example: Don’t say “Won’t boot up.” Do say “Tried all the steps in the Troubleshooting Section and it still won’t boot up.”
For faster diagnosis of your problem, please run the two utility programs described in the following sections and include the diagnostic files
they generate with your email.
6Returning Merchandise to One Stop Systems
If factory service is required, you must contact OSS Service Representative to obtain a Return Merchandise Authorization (RMA) number. Put
this number and your return address on the shipping label when you return the item(s) for service. One Stop Systems will return any product
that is not accompanied by an RMA number. Please note that One Stop Systems WILL NOT accept COD packages, so be sure to return the
product freight and duties-paid.
Ship the well-packaged product to the address below:
RMA # ________
One Stop Systems
2235 Enterprise Street, Suite#110 92029
USA
It is not required, though highly recommended, that you keep the packaging from the original shipment of your One Stop Systems product.
However, if you return a product to One Stop Systems for warranty repair/ replacement or take advantage of the 30-day money back
guarantee, you will need to package the product in a manner similar to the manner in which it was received from our plant. One Stop Systems
cannot be responsible for any physical damage to the product or component pieces of the product (such as the host or expansion interfaces for
the PCIe expansion chassis) that are damaged due to inadequate packing. Physical damage sustained in such a situation will be repaired at the
owner’s expense in accordance with Out of Warranty Procedures. Please, protect your investment, a bit more padding in a good box will go a
long way to insuring the device is returned to use in the same condition you shipped it in. Please call for an RMA number first.

One Stop Systems
OSS-KIT-EXP-2050| 20
Table of contents
Other OSS PCI Card manuals