---
title: "What is \"Mode-Select\" (SW1) on the EV-Board?"
url: "https://maker.wiznet.io/forum/9934"
markdown_url: "https://maker.wiznet.io/forum/9934/md"
type: "Forum topic"
category: "Wireless"
author: "hardix"
created: "2014-02-14T13:23:32+09:00"
last_activity: "2017-05-04T08:31:26+09:00"
language: "en"
views: 477
replies: 1
source: "WIZnet Makers forum (https://maker.wiznet.io/forum/)"
---

# What is "Mode-Select" (SW1) on the EV-Board?

## Question

Asked by hardix on 2014-02-14 in Wireless.

Hi

There are two “mode select”- switch on the EV board.
Connected to “Serial Command Mode 1 and 2”.
What function do they have?

## Replies

### Reply 1 by ssekim, 2014-02-17

Hello Hardix

These two pins are for transition mode between and .
WizFi630 can be switched from to using this pin.

And, these are related with → <serial port#1> → → → <Hnable: HW GPIO Used>.

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Source: https://maker.wiznet.io/forum/9934