Innocard
Innocard EP4101 PCIe Gen5 gender changer MCIO 38P to U.2 50cm
Converts a PCIe 5.0 x4 add-in card to MCIO 38P and U.2 with a built-in ReDriver, clock buffer and SMBus management over a 50 cm cable
- Changer TypePCIe Gen5
- Supports server BMC management via SMBus switch and I/O expander
- Built-in ReDriver extends PCIe 5.0 signals with up to 24 dB equalization at 16 GHz
- 100 MHz clock buffer drives longer PCB traces and cables reliably
- Includes WAKE# and CLKREQ# translators for stable operation over distance
- 3 V input with TVS protection, 3 A load switch and reverse-current protection
PCIe Gen5 MCIO adapter for server management
The Innocard EP4101 converts a PCI Express x4 Gen 5 link to an MCIO 38-pin interface with a 50 cm cable to U.2. A built-in ReDriver equalises signals up to 24 dB at 16 GHz to maintain 32 GT/s across four lanes. An on-board 100 MHz clock buffer and SMBus switch support longer trace lengths and out-of-band control.
Sustained signal integrity
The ReDriver continuously compensates insertion loss so the 5.0 GT/s per lane link remains stable under constant load. Clock buffering drives the 100 MHz reference across the 50 cm cable without degradation. PERST#, WAKE# and CLKREQ# translators keep side-band management active during extended operation.
Taiwanese-built AIC with 3.3 V protection
The add-in card is designed and manufactured in Taiwan with 30 µ gold connectors. Bidirectional TVS protection, a 3 A load switch and reverse-current safeguard secure the 3.3 V supply. Four green LEDs indicate card readiness, WAKE#, CLKREQ# and general status for quick visual diagnostics.
Highlights
- Supports server BMC management via SMBus switch and I/O expander
- Built-in ReDriver extends PCIe 5.0 signals with up to 24 dB equalization at 16 GHz
- 100 MHz clock buffer drives longer PCB traces and cables reliably
- Includes WAKE# and CLKREQ# translators for stable operation over distance
- 3 V input with TVS protection, 3 A load switch and reverse-current protection
Specifications
| Changer Type | PCIe Gen5 |
|---|
Questions about this item
Does the 32 GT/s PCIe 5.0 link with the built-in ReDriver generate noticeable heat during all-day operation?
The on-board ReDriver equalises the 32 GT/s signal up to 24 dB at 16 GHz and the card draws 3.3 V at up to 3 A through a load switch with reverse-current protection, so heat output is limited to the adapter itself.
What motherboard slot and cable does the EP4101 need to function?
It installs in a PCIe x4 Gen 5 slot and connects via the included 50 cm MCIO 38P-to-U.2 (SFF-8639) cable to the target drive or backplane.
Will the SMBus addresses 0x71 and 0x20 conflict with older server management controllers?
The adapter exposes a fixed SMBus switch at 0x71 and an I/O expander at 0x20 for PWRDIS control; check your BMC documentation to confirm no address clash with existing devices.
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