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KVM-A8

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==Overview==

PiKVM-A8 is a member of the [[PiKVM]] <ref>PiKVM © belongs to https://pikvm.org</ref>family. It only supports Raspberry Pi 2W4 Model B. It is directly inserted into the computer case as a PCI card. That is, you can put a computer into your computer. It does not require additional cables and is more convenient to use. The PiKVM-A8 is composed of X630-A8 and X630: [[File:04-X630-A8-IMG-4940-w1000.jpg|800px]] * '''[[X630]]''' HDMI to CSI-2 Board (for video capture)* '''[[X630-A8]]''' HAT Board (for POE, RTC, ATX Control power in etc) '''Note:''' There is no I2S Audio In connector on the X630-A8 for the first production batch, the I2S Audio In connector[[File:I2S-Audio-Connector.png|100px]] was added since March 2023!!!

~~==Feature==~~

==How to Power==

* POE power(Recommend, but it's expensive because you need a poe switch, '''<span style="color:red;">the poe switch must support 802.3af.</span>''')

* Power Input: 5.1Vdc +/-5% , ≥3A (Power Via USB Type-C port of X630-A8)

[[File:X630-A8-IMG-4936-How to Power.jpg|700px|How to Power PiKVM-A8]]

==How to Cool==

[[X630-A8]] (PiKVM-A8 PCIe version) equipped with a active cooling fan (3007 5V PH2.0) that cool your raspberry pi;

==Packing List==

'''* 1x X630-A8-CAB V1.1 Camera Adapter board'''

* * 2 x PM3x6mm Screws

'''* 1 X HDMI cable (~~30cm~~ 60cm length)''' ==Hardware Parameters==[[File:X630-A8-IMG-4942-Interface-700px.jpg]] ==Installation Video==PiKVM-A8 Installation Video: https://youtu.be/BV8UkSgqWLo {{#ev:youtube|https://youtu.be/BV8UkSgqWLo}}

==Connection Diagram==

'''Overall connection diagram：'''

[[File:06-X630-A8-connection.jpg|800px]]

'''Wiring of computer front panel IO socket'''

(<span style="color:red;">Use ASUS motherboard for example, different computers maybe different</span>)

[[File:Panel-Connection.jpg|700px|PC Panel]]

'''How to connect OLED'''

[[File:X630-A8-OLED.jpg|800px]]

==User Manual==

First you need to make sure your hardware connections are correct, please refer to the above video and diagram below.

<span style="color:red;font-weight:bold">'''Important Note:'''</span> If you receive and are using the black 10pin I2S audio cable, the I2S cable maybe in the wrong wire connection. Refer to below photo.

Please do not use the wrong I2S cable for KVM-A8, you need to change the I2S cable to right direction to use or attach order number to contact us via email(support@geekworm.com).

[[File:I2S-Cable-KVM-A8.jpg|400px|Right I2S Cable for KVM-A8]]

===OS Download & Installation===

1. Firstly, need prepair a micro sd card, a minimum 16 Gb class 10 memory card is recommended.

2. Download an appropriate OS image for the PiKVM, the url link is: https://pikvm.org/download/

:We recommend that you use the ''''V3 Pre-Assembled'''' version, and this image includes OLED display configuration.

:For Raspberry Pi 4, please use [https://files.pikvm.org/images/v3-hdmi-rpi4-box-latest.img.xz PiKVM V3 platform]. <span style="color:red;">Only compatible with '''PiKVM V3 OS''', NOT support '''V4'''</span>

:[[File:Pi4-V3-HAT.png|800px|PiKVM V3 platform]]

3. Flash it to a microSD memory card by following [https://docs.pikvm.org/flashing_os the simple instructions] or [https://www.raspberrypi.com/documentation/computers/getting-started.html#installing-the-operating-system Official installation tutorial]

4. Power the device, then open explore to login the pikvm web ui.

===Enable RTC ===

<span style="color:red;">Only need to configure the RTC function for the X630-A8 V1.7 version, X630-A8 V1.8 don't need.</span>

Due to different RTC chips with official PiKVM hardware, you still need to '''configure RTC''' to make RTC work normally.

Firstly, insert the '''C1220''' button battery. run the following command in web terminal window:

1. switch to 'root' user

su root

then type the password, and the default password is 'root' also.

2. Switch OS to writable mode

rw

3. Edit the /boot/config.txt file, and change line <code>dtoverlay=i2c-rtc,pcf8563</code> to <code>dtoverlay=i2c-rtc,ds1307</code> (due to use the different RTC chip).

sudo nano /boot/config.txt

Then save & '''reboot''' the device;

4.Test & setting RTC, write&read the time of Raspberry Pi to RTC DS1307

date

sudo hwclock -w

sudo hwclock -r

5. Swith OS to readonly mode

ro

===Enable OLED display===

Run the following command in web terminal window to enable OLED display:

rw

systemctl enable --now kvmd-oled

ro

If you are using <code>PiKVM OS V3 Pre-Assembled</code>, the OLED configuration is already pre-installed, you can ignore this step.

===Enable hdmi audio===

Refer to [[Enable pikvm hdmi audio]]

===FAQ===

* First of all, we recommend you to get more FAQ information on the official website: [https://docs.pikvm.org/faq/ official FAQ], or check the following FAQ;

* You can post a issue ticket at [https://geekworm.com/community/forum/topic/78220/pikvm-faq Geekworm forum] or email to us (support@geekworm.com) and attached your installation pictures or videos to get some help.

* Blog sharing for reference: https://www.andysblog.de/kvm-over-ip-pikvm-als-bausatz

Q1: Why PiKVM-A3/A4/A8 does not show the video only display No Signals?

</div>

A:

# Please check the hardware connection. Double-check that the video capture device is connected correctly and tightly.

# Make sure you use the original HDMI port. If your desktop only has a VGA display port, there may be no video signal when you use <b>VGA to HDMI adapter</b>, and there is no way to solve this; However, you can try to lower the resolution and restart the PC to test, but the probability of success is very low.

# Change the HDMI cable to test.

# Test the X630 separately to check if there is HDMI output.

# Some laptops do not output any signal until you switch the output (usually via the FN + and an F5 key on the keyboard).

# Your computer maybe enter sleep mode, please exit sleep mode.

</div>

Q2: How to do if PiKVM-A8 hangs up and has to be started manually?

</div>

A. The PiKVM-A8 hardware itself does not cause the system to reboot, and Pikvm-A8 shield is controled by raspberry pi 4;

'''Please ensure these keys:'''

1. The [https://pikvm.org/download/ PiKVM OS version] is correct;

2. Check & use a high-quality power supply;

3. Whether the raspberry pi 4 temperature is too high;

4. Contact us via email to support@geekworm.com

</div>

Q3. I want to control several pc power. Is it possible with one PiKVM-A8

</div>

A: No, one PiKVM-A8 can only control one pc. Please refer to [[X680]] 4-port IP KVM Switch.

</div>

Q4. How to login?

</div>

A: Input the XX.XX.XX.XX ip address on the explorer, then input user: admin, the default password is 'admin' also.

</div>

Q5. How to switch root user?

</div>

A:

su root

#default password is root also

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Q6. Does KVM-A8 support passive heatsink such as (P165-A or P165-B etc) instead of fan?

</div>

A: You can use the [[P165]] aluminium heatsink or the [[H402]] pure copper heatsink, but must remove the X630-A8 fan and fan connector.

①If use '''P165-A'''(thickness 7mm), you can use '''M2.5*5mm''' spacer instead of '''M2.5*12mm''' spacer to fix it;

②if use '''P165-B'''(thickness 11mm), you can directly use '''M2.5*6mm''' screws to fix it;

③if use '''H402'''(thickness 4mm), you can use '''M2.5*8mm''' spacer instead of '''M2.5*12mm''' spacer.

You can also use other suitable spacers + screws to fix the heatsink.

[[File:IMG-2173-1.jpg|600px]]

</div>

==References==

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