OSS OSS-PCIe-HIB38-x8-QUAD User manual

PCIe x8 Gen3 Host Cable Adapter with PCIe Switch
Model: OSS-PCIe-HIB38-x8-QUAD
www.onestopsystems.com
Installation Guide
SKU: OSS-PCIe-HIB38-X8-QUAD

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Table of Contents
Preface 4
Advisories 4
Safety Instructions 5
1 Introduction 7
1.1 Specifications 7
1.2 Features: 8
1.3 Overview 8
1.3.1 OSS-386 Main board 9
1.3.2 OSS-390 Mezzanine Board 10
1.4 PCIe Card Edge 11
1.5 Power 11
1.6 PCIe Cable Sideband signals 11
1.7 PLX PEX8749 11
1.8 Link LEDS 11
1.9 Board LEDs 12
1.9.1 OSS-386 board LEDs 12
1.9.1 OSS-390 board LEDs 12
1.10 Block Diagram 13
1.11 Dimensions 14
1.12 Operating Mode 15
1.12.1 Host Mode 15
1.12.2 Target Mode 15
1.13 Card Edge Connector Pin Outs 16
1.14 x8 Cable Wire Connections / Pin Outs 17
1.15 x8 Cable Signal Descriptions 18
1.15 Mezzanine Connector Pin Outs 19
2 Hardware Requirements 20
2.1 Hardware & System Requirements 20
2.1.1 HIB38-x8-QUAD card (Host) 20
2.1.2 HIB38-x8-DUAL card (Target) 20
2.1.2 PCIe Slot & Motherboard Requirement 21
2.1.3 x8 iPass Cable 21
2.1.4 Expansion Chassis / backplanes 21
2.1.5 ATX Power Supply 22
2.2 Software Requirement 22
3 Installation Procedures 23

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3.1 Configure Dipswitches 23
3.2 Install Host card 24
3.3 Install Target card 24
3.4 Install PCIe card 25
3.5 Install x8 iPass cable 26
3.5.1 Connect Cable to Target card 26
3.5.2 Connect Cable to Host card 27
3.5.3 Use Case Diagrams 28
3.6 Connect ATX Power Supply 29
3.7 Power ON the system 30
4Verify Hardware 31
4.1 Target card LEDs 31
4.2 Host card LEDs 31
4.2.1 OSS-390 Board LEDs 32
4.2.2 OSS-386 Board LEDs 32
4.3 Bracket Link LED Indicators 33
5Verify Device in Windows OS 34
6 Software Installation 37
7 How to Get More Help 38
7.1 Contacting Technical Support 38
7.2 Returning Merchandise 38
7.3 Online Support Resources 38

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Preface
Advisories
Five types of advisories are used throughout this manual to provide helpful information, or to alert you to the potential for hardware damage
or personal injury.
NOTE
Used to amplify or explain a comment related to procedural steps or text.
IMPORTANT
Used to indicate an important piece of information or special “tip” to help you
CAUTION
Used to indicate and prevent the following procedure or step from causing damage to the equipment.
WARNING
Used to indicate and prevent the following step from causing injury.
DANGER or STOP
Used to indicate and prevent the following step from causing serious injury or significant data loss
Disclaimer: We have attempted to identify most situations that may pose a danger, warning, or caution condition in this manual. However, the
company does not claim to have covered all situations that might require the use of a Caution, Warning, or Danger indicator.

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Safety Instructions
Always use caution when servicing any electrical component. Before handling the expansion chassis, read the following instructions and safety
guidelines to prevent damage to the product and to ensure your own personal safety. Refer to the “Advisories” section for advisory
conventions used in this manual, including the distinction between Danger, Warning, Caution, Important, and Note.
Always use caution when handling/operating the computer. Only qualified, experienced, authorized electronics personnel should
access the interior of the computer and expansion chassis per UL and IEC 60950-1
The power supplies produce high voltages and energy hazards, which can cause bodily harm.
Use extreme caution when installing or removing components. Refer to the installation instructions in this manual for precautions
and procedures. If you have any questions, please contact Technical Support.
WARNING
Never modify or remove the radio frequency interference shielding from your workstation or expansion unit. To do so may
cause your installation to produce emissions that could interfere with other electronic equipment in the area of your
system.
When Working Inside a Computer
1. Before taking covers off a computer, perform the following steps:
2. Turn off the computer and any peripheral devices.
3. Disconnect the computer and peripheral power cords from their AC outlets or inlets in order to prevent electric shock or system
board damage.
In addition, take note of these safety guidelines when appropriate:
To help avoid possible damage to systems boards, wait five seconds after turning off the computer before removing a component,
removing a system board, or disconnecting a peripheral device from the computer.
When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself. Some cables have a connector
with locking tabs. If you are disconnecting this type of cable, press in on the locking tabs before disconnecting the cable. As you pull
connectors apart, keep them evenly aligned to avoid bending any connector pins. Also, before connecting a cable, make sure both
connectors are correctly oriented and aligned.
CAUTION
Do not attempt to service the system yourself except as explained in this manual. Follow installation
instructions closely.

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Protecting Against Electrostatic Discharge
Electrostatic Discharge (ESD) Warning
Electrostatic Discharge (ESD) is the enemy of semiconductor devices. You should always take precautions to eliminate any
electrostatic charge from your body and clothing before touching any semiconductor device or card by using an
electrostatic wrist strap and/or rubber mat.
Static electricity can harm system boards. Perform service at an ESD workstation and follow proper ESD procedures to reduce the risk of
damage to components. We strongly encourage you to follow proper ESD procedures, which can include wrist straps and smocks, when
servicing equipment.
You can also take the following steps to prevent damage from electrostatic discharge (ESD):
When unpacking a static-sensitive component from its shipping carton, do not remove the component’s anti-static packaging
material until you are ready to install the component in a computer. Just before unwrapping the anti-static packaging, be sure you
are at an ESD workstation or are grounded.
When transporting a sensitive component, first place it in an anti-static container or packaging.
Handle all sensitive components at an ESD workstation. If possible, use anti-static floor pads and workbench pads.
Handle components and boards with care. Do not touch the components or contacts on a board. Hold a board by its edges or by its
metal mounting bracket.

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1 Introduction
The PCIe x8 Gen 3 cable adapter with PCIe switch is a PCIe half-height add-in card with two boards (OSS-386 and OSS-390) attached together
with four x8 cable external connectors on the slot cover. It operates in upstream mode with Dipswitch setting change. The host cable adapter
installs in the PCIe slot of a computer’s motherboard only.
Part numbers:
OSS-PCIE-HIB38-x8-QUAD
Internal part#OSS-390/386
1.1 Specifications
Item
Description
Form Factor
PCIe x8 half-height, half-length
Dimensions
5.85 x 4.00" (14.85 x 10.16 cm)
Bandwidth / Backplane
Interface
PCIe x8 Gen3
Power
There are two boards on the HIB3x-8 QUAD. The mezzanine card (OSS-390 ) and the OSS-386 (the main
board).
*OSS-386 board. Note that the power supplied to the OSS-390 board is supplied through the OSS-386. It is
not connected directly to a PCIe bus. The 386 numbers here DO NOT include the power required to operate
an installed 390 board.
Worst case: 20.5 watts
Typical: 11 watts
*For OSS-390
Worst case: 18.7 watts
Typical: 8.7 watts
Connector
Four x8 Cable connectors
PCIe x16 Edge connector- Electrical , x16 mechanical
PCIe Switch
OSS-386 (Main Board): PLX PEX8749 8.0 GT/s 48-Lane PCI Express Gen 3 Switch DMA controller
OSS-390 (Mezzanine Card): PLX PEX8733 8.0 GT/s 32-Lane PCI Express Gen 3 Switch DMA controller
Bracket
Standard and low profile brackets available
With four LEDs on the bracket
Operating Temperature
0˚C to +50˚C environment
Operating Humidity
10% to 90% relative humidity non-condensing
Storage Humidity
5% to 95% relative humidity non-condensing
Shock
30g Acceleration Peak (11ms pulse)
Industry Specifications
PCIe External Cabling Specification, Rev. 1.0
PCI Express™ Card Electromechanical
Specification, Rev. 2.0
PCI Express ® Base Specification, Rev. 3.0
ATX Specification, Version 2.2
Agency Compliance
• FCC Class B
• CE
• RoHS
Operating System
Windows 10, Windows Server 2012 R2; Linux OS based

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1.2 Features:
Fits into PCIe x16 slot
Operates in Host mode only (with Dipswitch setting change)
Supports Spread Spectrum Clock Isolation
Bracket LINK LED status indicator
48-Lane switch with built-in DMA controller
iPass x8 external cable connector
1.3 Overview
This is an overview on HIB38-x8-QUAD card. The quad card is composed of two boards, the mezzanine / daughter card (OSS-390) and the HIB
card (OSS-386).
The OSS-390 is mounted on top of the OSS-386 board.
The OSS-386 is the main board with the card edge connector that plugs into a x16 PCIe slot.

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1.3.1 OSS-386 Main board
The OSS-386 board has the following:
Card Edge Connector
6 Dipswitches (SW1)
Male mezzanine connector on the front-side of the board
Two x8 external cable connector
PLX 8749

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1.3.2 OSS-390 Mezzanine Board
The OSS-390 mezzanine board has the following:
4 Dipswitches (SW1)
Female mezzanine connector on the back-side of the board
Two x8 external cable connector
PLX 8733
OSS-390 does not have the card-edge connector

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1.4 PCIe Card Edge
The PCIe Card edge will be directly routed x8 interface to the PLX Chip
In host mode, the add-in card will accept a clock as an input.
In target mode, the add-in card will drive a clock. It will also provide a reset output and a PS_ON# signal.
1.5 Power
Power is provided by the PCI-e card slot.
Power required by internal components of OSS-PCIe-HIB-38-x8 -QUAD is estimated to be 20 watts when all ports are fully linked and
operating in Gen3 mode.
Cable power is to be provided per PCIe cable specification. When an active cable (powered transceiver) is used, additional power is
required from the PCI-e card slot.
Power will be supplied +3.3V, +3.3Vaux through Card Edge.
Some power rails will be derived from the onboard circuitry.
1.6 PCIe Cable Sideband signals
All Cable sideband signals CPERST#, CPWRON, CPRSNT#, CWAKE# to be connected per the PCIe Cable specification.
Additional isolation of signal CE_PWRON# (card edge power control) shall be provided by a physical switch.
This switch allows user to electrically isolate this signal from the card edge connector.
*The target card and expansion unit are powered UP instantly upon turning ON the host computer.
1.7 PLX PEX8749
Integrated DMA Engine (with four DMA channels and internal buffer space)
48 Lane PCIe Switch
PCIe Gen3 (8.0 GT/s)
Spread Spectrum Clock Isolation
1.8 Link LEDS
The LINK status LEDs on the slot cover (bracket) shows that the cards have successfully linked.
OFF –Link is down
ON –Link is UP, 8.0 GT/s
oGen3- solid green
oGen2 - Blinking frequency: 2Hz
oGen1 - Blinking frequency: 1Hz
RED –No link from the Host side or Target side; Fatal error on PCIe switch;

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1.9 Board LEDs
There are two LEDs on the OSS-386 and OSS-390 boards. They are located in the upper right of the board.
PWRGD--Power good, board has power
CE LINK—Card edge, successful link with the card edge
1.9.1 OSS-386 board LEDs
1.9.1 OSS-390 board LEDs

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1.10 Block Diagram

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1.11 Dimensions

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1.12 Operating Mode
1.12.1 Host Mode
The HIB38-x8-QUAD card can only operate as Host card. Both cards (0SS-386 and 390) should be configured as host. Each card has its own
dipswitch (SW1) that needs to be set properly.
OSS-390 board
There are 4 dipswitches on the OSS-390 Mezzanine board. Host mode settings, #1=ON ; #2=OFF ; #3=OFF ; #4=OFF.
OSS-386 Board
There are 6 dipswitches on the OSS-386 main board. Host mode settings, #1=ON ; #2=OFF ; #3=OFF ; #4=OFF ; #5=OFF and #6 =ON.
1.12.2 Target Mode
A separate HIB38-X8-Dual card (OSS-386 board) card is required to use as target. Prior to using the card as Target, the dipswitches must be
configured to target properly. See photo below for the dipswitch settings on the HIB38-x8-Dual card.

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1.13 Card Edge Connector Pin Outs
Pin
#
Side B
Side A
Name
Description
Name
Description
1
+12V
12V Power
PRSNT1#
Hot-Plug presence detect
2
+12V
12V Power
+12V
12V Power
3
+12V
12V Power
+12V
12V Power
4
GND
Ground
GND
Ground
5
SMCLK
SMBus clock
JTAG2
TCK
6
SMDAT
SMBus data
JTAG3
TSTCLK+
7
GND
Ground
JTAG4
TSTCLK-
8
+3.3V
3.3 V power
JTAG5
TMS
9
JTAG1
PWR_ON#
+3.3V
3.3 V power
10
3.3Vaux
3.3 V auxiliary power
+3.3V
3.3 V power
11
WAKE#
Signal for link reactivation
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
33
PETp4
Transmitter differential pair, Lane 4
RSVD
Reserved
34
PETn4
GND
Ground
35
GND
Ground
PERp4
Receiver differential pair, Lane 4
36
GND
Ground
PERn4
37
PETp5
Transmitter differential pair, Lane 5
GND
Ground
38
PETn5
GND
Ground
39
GND
Ground
PERp5
Receiver differential pair, Lane 5
40
GND
Ground
PERn5
41
PETp6
Transmitter differential pair, Lane 6
GND
Ground
42
PETn6
GND
Ground
43
GND
Ground
PERp6
Receiver differential pair, Lane 6
44
GND
Ground
PERn6
45
PETp7
Transmitter differential pair, Lane 7
GND
Ground
46
PETn7
GND
Ground
47
GND
Ground
PERp7
Receiver differential pair, Lane 7
48
PRSNT2#
Hot-Plug presence detect
PERn7
49
GND
Ground
GND
Ground

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1.14 x8 Cable Wire Connections / Pin Outs
Row A
Row B
Pin #
Signal Name
Signal Name
1
GND
GND
2
PETp0
PERp0
3
PETn0
PERn0
4
GND
GND
5
PETp1
PERp1
6
PETn1
PERn1
7
GND
GND
8
PETp2
PERp2
9
PETn2
PERn2
10
GND
GND
11
PETp3
PERp3
12
PETn3
PERn3
13
GND
GND
14
CREFCLK+
PWR (3.3V)
15
CREFCLK-
PWR (3.3V)
16
GND
PWR (3.3V)
17
RSVD
PWR RTN
18
RSVD
PWR RTN
19
SB_RTN
PWR RTN
20
CPSRNT$#
CWAKE#
21
CPWRON
CPERST#
22
GND
GND
23
PETp4
PETp4
24
PETn4
PERp4
25
GND
GND
26
PETp5
PERp5
27
PETn5
PERn5
28
GND
GND
29
PETp6
PERp6
30
PETn6
PERn6
31
GND
GND
32
PETp7
PERp7
33
PETn7
PERn7
34
GND
GND
*NC: Not Connected

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1.15 x8 Cable Signal Descriptions
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
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 Po
Provides local power return path for PWR pins.
CWAKE#
Cable WAKE
CPERST#
Cable PCI Express Reset

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1.15 Mezzanine Connector Pin Outs
Pin #
Side B
Pin #
Side A
Name
Description
Name
Description
1
+12V
12V Power
2
+3.3V
+3.3V Power
3
+12V
12V Power
4
+3.3V
+3.3V Power
5
N/C
Not Connected
6
+3.3Vaux
+3.3V auxiliary Voltage
7
N/C
Not Connected
8
+3.3V
+3.3V auxiliary Voltage
9
PRESENT#
Mezzanine Present
10
N/C
Not Connected
11
RESET#
Reset
12
WAKE#
Wake
13
PWrR_GOOD
Power Good
14
SMDAT
SM Bus Data
15
PWR_ON
Power On
16
SMCLK
SM Bus Data
17
N/C
Not Connected
18
REFCLK-
Reference clock (differential pair)
19
N/C
Not Connected
20
REFCLK+
Reference clock (differential pair)
21
PERn15
Receiver differential pair, Lane 15
22
PETn0
Receiver differential pair, Lane 0
23
PERp15
Receiver differential pair, Lane 15
24
PETp0
Receiver differential pair, Lane 0
25
PERn14
Receiver differential pair, Lane 14
26
PETn1
Receiver differential pair, Lane 1
27
PERp14
Receiver differential pair, Lane 14
28
PETp1
Receiver differential pair, Lane 1
29
PERn13
Receiver differential pair, Lane 13
30
PETn2
Receiver differential pair, Lane 2
31
PERp13
Receiver differential pair, Lane 13
32
PETp2
Receiver differential pair, Lane 2
33
PERn12
Receiver differential pair, Lane 12
34
PETn3
Receiver differential pair, Lane 3
35
PERp12
Receiver differential pair, Lane 12
36
PETp3
Receiver differential pair, Lane 3
37
PERn11
Receiver differential pair, Lane 11
38
PETn4
Receiver differential pair, Lane 4
39
PERp11
Receiver differential pair, Lane 11
40
PETp4
Receiver differential pair, Lane 4
41
PERn10
Receiver differential pair, Lane 10
42
PETn5
Receiver differential pair, Lane 5
43
PERp10
Receiver differential pair, Lane 10
44
PETp5
Receiver differential pair, Lane 5
45
PERn9
Receiver differential pair, Lane 9
46
PETn6
Receiver differential pair, Lane 6
47
PERp9
Receiver differential pair, Lane 9
48
PETp6
Receiver differential pair, Lane 6
49
PERn8
Receiver differential pair, Lane 8
50
PETn7
Receiver differential pair, Lane 7
51
PERp8
Receiver differential pair, Lane 8
52
PETp7
Receiver differential pair, Lane 7
53
PERn7
Receiver differential pair, Lane 7
54
PETn8
Receiver differential pair, Lane 8
55
PERp7
Receiver differential pair, Lane 7
56
PETp8
Receiver differential pair, Lane 8
57
PERn6
Receiver differential pair, Lane 6
58
PETn9
Receiver differential pair, Lane 9
59
PERp6
Receiver differential pair, Lane 6
60
PETp9
Receiver differential pair, Lane 9
61
PERn5
Receiver differential pair, Lane 5
62
PETn10
Receiver differential pair, Lane 10
63
PERp5
Receiver differential pair, Lane 5
64
PETp10
Receiver differential pair, Lane 10
65
PERn4
Receiver differential pair, Lane 4
66
PETn11
Receiver differential pair, Lane 11
67
PERp4
Receiver differential pair, Lane 4
68
PETp11
Receiver differential pair, Lane 11
69
PERn3
Receiver differential pair, Lane 3
70
PETn12
Receiver differential pair, Lane 12
71
PERp3
Receiver differential pair, Lane 3
72
PETp12
Receiver differential pair, Lane 12
73
PERn2
Receiver differential pair, Lane 2
74
PETn13
Receiver differential pair, Lane 13
75
PERp2
Receiver differential pair, Lane 2
76
PETp13
Receiver differential pair, Lane 13
77
PERn1
Receiver differential pair, Lane 1
78
PETn14
Receiver differential pair, Lane 14
79
PERp1
Receiver differential pair, Lane 1
80
PETp14
Receiver differential pair, Lane 14
81
PERn0
Receiver differential pair, Lane 0
82
PETn15
Receiver differential pair, Lane 15
83
PERp0
Receiver differential pair, Lane 0
84
PETp15
Receiver differential pair, Lane 15

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2Hardware Requirements
This section provides information on the hardware and software requirements in order for the HIB38-x8-QUAD card to function / operate
properly.
2.1 Hardware & System Requirements
1. Computer / Server motherboard with x16 Gen3 PCIe slot
2. HIB38-x8-QUAD-H, qty 1: Host card
3. HIB38-x8-DUAL-T, qty 1: Target card
NOTE: The HIB38-x8-QUAD, can only operate as Host card. You need a separate Target card.
4. One x8 iPass cable or four x8 iPass cables (depending if you are connecting 4 expansion units). A maximum of four expansion units
can be connected to the HIB38-x8-QUAD host card.
5. OSS Expansion chassis with Gen3 backplane, or OSS expansion backplane and power supply.
2.1.1 HIB38-x8-QUAD card (Host)
HIB38-x8-QUAD card: OSS-386 and OSS-390 boards are attached together.
2.1.2 HIB38-x8-DUAL card (Target)
HIB38-x8-Dual card: A single OSS-386 board (configured as target).