Highlights
  • Internal PCIe (two SFF-8654 8x 74pin) to PCI Express x16 Bifurcation Riser Card
    • PCIe x16 Edge Finger
    • Internal PCIe Cable Port (two SFF-8654 74pin Connector)
  • PCI Express Bifurcation modes (Mainboard needs to have PCIe bifurcation mode support.)
    • Two PCIe Slots (x8, x8)
    • Three PCIe Slots (x8, x4, x4 or x4, x4, x8)
    • Four PCIe Slots (x4, x4, x4, x4)
  • Supports Low Profile PCI Form Factor (Low Profile PCI Bracket S-BR-00248-11-1020)
Introduction

DIP8X-PCIE16XB02 is Internal PCIe (two SFF-8654 8x 74pin) to PCI Express x16 Bifurcation Riser Card.

PCI Express bifurcation means splitting the PCI Express bus into smaller multi-slots . For example, one x16 PCI-Express Port can be bifurcated into two x8 PCI-Express Ports, each of which can be further bifurcated into two x4 PCI-Express Ports, and so on. This can be achieved from BIOS level if you want to split an existing lane.

The PCI-Express Bifurcation mode allows users to take advantage of a single PCI-Express x16 slot, through the use of DIP8X-PCIE16XB02, and transform their PCI-Express slot into the following modes:

  • Two PCIe Slots (x8, x8)
  • Three PCIe Slots (x8, x4, x4 or x4, x4, x8)
  • Four PCIe Slots (x4, x4, x4, x4)

Please be noted that your mainboard needs to have PCIe bifurcation mode support.

Related Products : SlimSAS 8i (SFF-8654) plug Cable, IPCIE16XD12

Technical Specifications
PCIe Host Port
  • PCIe x16 Edge Finger

Internal PCIe Port

  • Two SFF-8654 8x 85ohm 74pin Connectors
    • Connector Pinout

Switch for enabling REFCLK

SW1 REFCLK Enable Auto*
1 PCIE2A (REFCLK2A) ON OFF
2 PCIE2B (REFCLK2B) ON OFF
3 PCIE1A (REFCLK1A) ON OFF
4 PCIE1B (REFCLK1B) ON OFF

*Auto: Enable by CPRSNT#

PCI Express Bifurcation modes:
Two PCIe Slots (x8, x8)

Three PCIe Slots (x8, x4, x4 or x4, x4, x8)

Four PCIe Slots (x4, x4, x4, x4)

SMbus Slave Address Setting Switch

(for Rev 1.1 above)

Slave Address
A1 A0

SW2-1 SW2-2 SW2-3 SW2-4
0 0

0xE0 W
0xE1 R

ON ON X X
0 1

0xE2 W
0xE3 R

OFF ON X X
1 0

0xE4 W
0xE5 R

ON OFF X X
1 1

0xE6 W
0xE7 R

OFF OFF X X
Available Models

DIP8X-PCIE16XB02
without sideband
DIP8X-PCIE16XB02N
Computer Platform
  • Computer with PCI Express slot ( x16) supporrt PCIe bifurcation mode.

Note: Please verify with your mainboard manufacturer (such as Intel, Gigabyte, Supermicro, Portwell, Axiomtek, ASRock ...) to make sure the mainboard is bifurcated.

Physical Dimensions
  • 28.9(H)x153.7(L)mm
  • NW: 38.4g
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