HoneyComb / ClearFog CX LX2 Errata List

Revisions and Notes

Date	Owner	Revision	Notes
13 Nov 2019	Rabeeh Khoury	1.0	Released information
Table of Contents	- Revisions and Notes - Introduction - HoneyComb / ClearFog CX Errata

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Introduction

The intention of this document is to list erratas of HoneyComb / ClearFog CX mini ITX carrier board.

HoneyComb and ClearFog CX shares the same PCB design and the difference is in assembly options where ClearFog CX adds the QSFP28 interface

HoneyComb / ClearFog CX Errata

Short Description	Errata	Affected PCB rev	Fix or workaround
QSFP28 ModSel# signal is floating	ModSel# signal is used to select the QSFP module inserted in the cage thus enabling it to respond to I2C transactions. QSFP28 connector (J23 in the schematics) is assembled only on the ClearFog CX sku. As a workaround all boards boards rev 1.1 sent to partners and customers includes a touch-up wire that connects TP121 (ModSel# signal) to GND.	1.1	Issue will be fixed in rev 1.2
USB 3.0 RX and TX p/n are swapped	Upper USB 3.0 on the combo dual USB 3.0 connector has TX p/n and RX p/n swapped. The lower USB 3.0 on the combo connector is fully functional. No workaround is available for this.	1.1	Issue will be fixed in rev 1.2