Open main menu
Geekworm Wiki

Changes

Template:KVM-FAQ

31 bytes added, 7 May
no edit summary
* Blog sharing for reference: https://www.andysblog.de/kvm-over-ip-pikvm-als-bausatz
 
<div class="toccolours mw-collapsible mw-collapsed">
<div style="font-weight:bold;line-height:1.0;">
Q: How to enable oled display on [[KVM-A4]]?
</div>
<div class="mw-collapsible-content">
A. Refer to https://geekworm.com/community/forum/topic/85024/enable-oled-on-geekworm-pikvm-a4-kit
</div>
</div>
<div class="toccolours mw-collapsible mw-collapsed">
<div class="toccolours mw-collapsible mw-collapsed">
<div style="font-weight:bold;line-height:1.0;">
Q: Which pins are available on the KVM-A3Why OLED is not display?
</div>
<div class="mw-collapsible-content">
A: You only can use GPIO16Please follow the steps below to check 1. Please confirm that the OS is correct according to your Raspberry Pi version: Due to downloading the wrong firmware, 26, 11, 17, 25, 9, 10 pins on the OLED cannot be displayed. We ALSO made such mistakes during testing *For Raspberry Pi 4 : https://pikvm.org/download/ [[KVMFile:Pi4-A3V3-HAT.png|800px]]</div></div>
<div class="toccolours mw-collapsible mw-collapsed"><div style="font-weight*For Raspberry Pi Zero 2 W :bold;line-heighthttps:1.0;">Q: I want to control several pc power. Is it possible with one [[KVM-A3]] and several [[X630-A5]]?</div><div class="mw-collapsible-content">A/docs. No, one kit can only control one pc, you can refer to [[X680]] to control up to 4 PCspikvm.<org/div><flashing_os/div>
<div class="toccolours mw-collapsible mw-collapsed"><div style="font-weight:bold;line-height:1.0;">Q: How to do if [[KVM-A8]] hangs up or reboot or has to be started manually?</div><div class="mw-collapsible-content">AFile:PiKVM V2 Platform. The [[KVM-A8png|800px]] hardware itself does not cause the system to reboot, and [[KVM-A8 shield is controled by raspberry pi 4;
'''2. Please ensure these keys:''check if the order of OLED screen pins is correct, please email to support@geekworm.com if it's a wrong pin order;
1. The [https[File://pikvmOLED-IMG-4373-1.org/download/ PiKVM OS versionjpg|800px]] is correct;
The run the following command to check the I2C address sudo i2cdetect -y 1<pre> 0 1 2. Check & use 3 4 5 6 7 8 9 a high b c d e f00: -- -- -- -- -- -- -- -- 10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 30: -- -- -- -- -- -- -- -- -- -- -- -- 3c -- -- -- 40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 70: -- -- -- -- -- -- -- --quality power supply; </pre>
33c is a hexadecimal number, it is the I2C address of OLED, if you can’t find this value, please shut down and reconnect shield and OLED, then run this command again, If you still can't find the OLED's I2C address, the OLED screen may be damaged. Whether the raspberry pi 4 temperature is too high;
4. Contact us via email to support@geekworm.com
[[File'''PS''':KvmSince the i2cdetect tool is not installed by default in pikvm os, you need to install it first. You can install it through the following command<pre>pikvm-updaterwpacman -S i2c-a8tools -cable.jpg]]y</pre>
If you find that 4. Then run the color wiring is wrong, please contact us at support@geekworm.comfollowing command to enable OLED display: rw systemctl enable --now kvmd-oled ro
</div>
</div>
<div class="toccolours mw-collapsible mw-collapsed">
<div style="font-weight:bold;line-height:1.0;">
Q. : How do I want to control several pc power. Is it possible with one [[KVM-A8]]emulate various USB devices on the target machine?
</div>
<div class="mw-collapsible-content">
A[[File: No, one PiKVMHow-to-emulate-various-USB-devices-on-the-target-A8 can only control one pcmachine. Please png]] More details, pls refer to [[X680]] 4-port IP KVM Switch: https://discord.com/channels/580094191938437144/896216359963332628/1021503994436276245
</div>
</div>
<div class="toccolours mw-collapsible mw-collapsed">
<div style="font-weight:bold;line-height:1.0;">
Q. : How to login pikvm os?
</div>
<div class="mw-collapsible-content">
<div class="toccolours mw-collapsible mw-collapsed">
<div style="font-weight:bold;line-height:1.0;">
Q. : How to switch root user?
</div>
<div class="mw-collapsible-content">
su root
#default password is root also
</div>
</div>
 
<div class="toccolours mw-collapsible mw-collapsed">
<div style="font-weight:bold;line-height:1.0;">
Q: Which pins are available on the [[KVM-A3]]?
</div>
<div class="mw-collapsible-content">
A: You only can use GPIO16, 26, 11, 17, 25, 9, 10 pins on [[KVM-A3]]
</div>
</div>
 
<div class="toccolours mw-collapsible mw-collapsed">
<div style="font-weight:bold;line-height:1.0;">
Q: I want to control several pc power. Is it possible with one [[KVM-A3]] and several [[X630-A5]]?
</div>
<div class="mw-collapsible-content">
A. No, one kit can only control one pc, you can refer to [[X680]] to control up to 4 PCs.
</div>
</div>
 
<div class="toccolours mw-collapsible mw-collapsed">
<div style="font-weight:bold;line-height:1.0;">
Q: How to enable oled display on [[KVM-A4]]?
</div>
<div class="mw-collapsible-content">
A. Refer to https://geekworm.com/community/forum/topic/85024/enable-oled-on-geekworm-pikvm-a4-kit
</div>
</div>
<div class="toccolours mw-collapsible mw-collapsed">
<div style="font-weight:bold;line-height:1.0;">
Q: How to do if [[KVM-A8]] hangs up or reboot or has to be started manually?</div><div class="mw-collapsible-content">A. The [[KVM-A8]] hardware itself does not cause the system to reboot, and [[KVM-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 [[File:Kvm-a8-cable.jpg]] If you find that the color wiring is wrong, please contact us at support@geekworm.com</div></div> <div class="toccolours mw-collapsible mw-collapsed"><div style="font-weight:bold;line-height:1.0;">Q: I want to control several pc power. Is it possible with one [[KVM-A8]]</div><div class="mw-collapsible-content">A: No, one PiKVM-A8 can only control one pc. Please refer to [[X680]] 4-port IP KVM Switch.</div></div> <div class="toccolours mw-collapsible mw-collapsed"><div style="font-weight:bold;line-height:1.0;">Q: Does [[KVM-A8]] support passive heatsink such as (P165-A or P165-B etc) instead of fan?
</div>
<div class="mw-collapsible-content">
<div class="toccolours mw-collapsible mw-collapsed">
<div style="font-weight:bold;line-height:1.0;">
<span class="tb_red">Q: Why is the [[X680 ]] not working?</span>
</div>
<div class="mw-collapsible-content">
<div class="toccolours mw-collapsible mw-collapsed">
<div style="font-weight:bold;line-height:1.0;">
Q: Why is USB mass driver not recognized on [[X680]]?
</div>
<div class="mw-collapsible-content">
<div class="toccolours mw-collapsible mw-collapsed">
<div style="font-weight:bold;line-height:1.0;">
Q: Does the x680 [[X680]] support audio?
</div>
<div class="mw-collapsible-content">
<div class="toccolours mw-collapsible mw-collapsed">
<div style="font-weight:bold;line-height:1.0;">
Q: Does the [[X680 ]] support PoE power? How to enable PoE Power?
</div>
<div class="mw-collapsible-content">
<div class="toccolours mw-collapsible mw-collapsed">
<div style="font-weight:bold;line-height:1.0;">
Q: Why can't I switch to another PC on [[X680]]?'
</div>
<div class="mw-collapsible-content">
<div class="toccolours mw-collapsible mw-collapsed">
<div style="font-weight:bold;line-height:1.0;">
Q: Why NVME SSD cannot be recognized on X680？[[X680]]？
</div>
<div class="mw-collapsible-content">
<div class="toccolours mw-collapsible mw-collapsed">
<div style="font-weight:bold;line-height:1.0;">
Q: How to boot from NVMe SSD on [[X680]]?
</div>
<div class="mw-collapsible-content">
You can also check out the official guide of the Raspberry Pi Foundation on how to boot CM4 from NVMe devices
* https://github.com/raspberrypi/documentation/blob/develop/documentation/asciidoc/computers/raspberry-pi/boot-nvme.adoc
</div>
</div>
 
<div class="toccolours mw-collapsible mw-collapsed">
<div style="font-weight:bold;line-height:1.0;">
Q: Why OLED is not display?
</div>
<div class="mw-collapsible-content">
A: Please follow the steps below to check
 
1. Please confirm that the OS is correct according to your Raspberry Pi version:
 
Due to downloading the wrong firmware, the OLED cannot be displayed. We ALSO made such mistakes during testing
 
*For Raspberry Pi 4 : https://pikvm.org/download/
 
[[File:Pi4-V3-HAT.png|800px]]
 
*For Raspberry Pi Zero 2 W : https://docs.pikvm.org/flashing_os/
 
[[File:PiKVM V2 Platform.png|800px]]
 
2. Please check if the order of OLED screen pins is correct, please email to support@geekworm.com if it's a wrong pin order;
 
[[File:OLED-IMG-4373-1.jpg|800px]]
 
The run the following command to check the I2C address
sudo i2cdetect -y 1
<pre>
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- -- -- -- -- 3c -- -- --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- --
</pre>
 
3c is a hexadecimal number, it is the I2C address of OLED, if you can’t find this value, please shut down and reconnect shield and OLED, then run this command again, If you still can't find the OLED's I2C address, the OLED screen may be damaged.
 
 
'''PS''': Since the i2cdetect tool is not installed by default in pikvm os, you need to install it first. You can install it through the following command
<pre>
pikvm-update
rw
pacman -S i2c-tools -y
</pre>
 
4. Then run the following command to enable OLED display:
rw
systemctl enable --now kvmd-oled
ro
</div>
</div>
 
<div class="toccolours mw-collapsible mw-collapsed">
<div style="font-weight:bold;line-height:1.0;">
Q. How do I emulate various USB devices on the target machine?
</div>
<div class="mw-collapsible-content">
[[File:How-to-emulate-various-USB-devices-on-the-target-machine.png]]
 
More details, pls refer to: https://discord.com/channels/580094191938437144/896216359963332628/1021503994436276245
</div>
</div>
Retrieved from "https://wiki.geekworm.com/Special:MobileDiff/22828"