Dolphin MXH94 Series, User Manual

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MXH94x / MXH95x Transparent Adapter User’s Guide – Dolphin Interconnect Solutions Page 6
High Level Specification
The MXH94x and MXH95x are a family of low profile, half-length PCIe adapters utilizing the Samtec FireFly™ optical transceivers. It is
available in several variants to support various use cases and configurations. All boards are using a Gen4 PCIe switch from Microchip.
The MXH94x boards are equipped with Samtec
FireFly™ PCIe Gen4 optical transceivers. The MXH95x boards are equipped with the
Samtec FireFly™ PCIe Gen3 optical transceivers.
This manual covers all transparent variants of these cards. Please reference the tables below for details. Some variants come with NTB
enabled firmware and are bundled with Dolphins eXpressWare. Please reference the Dolphin
MXH94x / MXH95x NTB Adapter Users Guide if you have one of the NTB enabled variants.
Each card operates at the highest common speed shared between the slot and the card (Gen4) and the widest common link-width
(x16).
PCIe Gen4 Link Transparent Product variants
The variants in the table below support PCIe Gen4 link speed, Transparent Host and Target operations and come with a license to use
the eXpressWare Board Management Software. Each Model has different
FireFly™ optical engines mounted depending on your use case
and requirements:
SKU / Model # FireFly™ PCIe Configurations Required Fiber cable
MXH942 2 x8 Transparent x16 / 2 x8 2 units 24 fiber MPO
MXH945 4 x4 Transparent x16 / 2 x8 / 4 x4 4 units 12 fiber MPO
MXH946 1 x8 Transparent x8 1 unit 24 fiber MPO
MXH947 2 x4 Transparent x8 / 2 x4 2 units 12 fiber MPO
MXH948 1 x4 Transparent x4 1 unit 12 fiber MPO
NOTE: Please note that cards utilizing 24 fiber MPO cannot be connected to cards utilizing 12 fiber MPO.
PCIe Gen3 Link Transparent Product variants
The variants in the table below support PCIe Gen3 link speed, Transparent Host and Target operations and come with a license to use
the eXpressWare Board Management Software. Each Model has different
FireFly™ optical engines mounted depending on your use case
and requirements:
SKU / Model # FireFly™ PCIe Configurations Required Fiber cable
MXH952 2 x8 Transparent x16 / 2 x8 2 units 24 fiber MPO
MXH955 4 x4 Transparent x16 / 2 x8 / 4 x4 4 units 12 fiber MPO
MXH956 1 x8 Transparent x8 1 unit 24 fiber MPO
MXH947 2 x4 Transparent x8 / 2 x4 2 units 12 fiber MPO
MXH948 1 x4 Transparent x4 1 unit 12 fiber MPO
NOTE: Please note that cards utilizing 24 fiber MPO cannot be connected to cards utilizing 12 fiber MPO.
Detailed specifications
•
PCI Express Base Specification, Rev. 4.0.
•
PCI Express CEM Specification, Rev. 4.0.
•
PCI Express Gen4 16 GT/s per lane signaling – 256 GT/s total signaling. Variants utilizing Gen3 FireFly™ modules are
limited to PCIe Gen3 8 GT/S signaling rate on the optical link.
•
PCI Express Gen4 x16 edge connector. The card installs in any PCI Express slot that has a physical x16 connector.
•
Compliant with PCI Express Gen1 through Gen4 computers and IO systems, auto detection.
•
MPO cable connector