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General discussionCase and power supply questions(23 posts)(23 posts)
(23 posts)
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This is my favourite topic
Posted January 06, 2022
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Ranayna: And i'm surprised that i can say this: I have to agree with Orkhepaj. Gog really should create a dedicated hardware section. But the the forum needs an total and complete overhaul anyway.
The comment actually made me laugh, i do not so much understand the need for another forum since with the amount of questions asked about hardware, and with specific hardware forums around. If the forum games got their own segment but yea, it would be maybe boring for the players to play when nobody is watching?
Post edited January 06, 2022 by Zimerius
Posted January 06, 2022
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dtgreene: One other question:
* Suppose the motherboard's header is a USB 3.0 (or 3.2 Gen 1) header, but the case's port is a USB 3.1 Gen 2 (or Gen 2x2). Will this configuration work (with Gen 1 speeds, of course), or will it not? (This question is for both type-A and type-C.)
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pds41: Probably, but if it doesn't, just buy a USB header to PCI bracket adapter, which will use a spare PCI slot's backplate to give you a USB-C port (or other type if you look hard enough). Or, you could get a header-to-3-1/2 inch bay card reader and USB ports. Not much uses these bays anymore.

Regarding a case, doesn't really matter. I prefer an ATX case, but some people like the smaller ones. They're just a bit harder for cable management and airflow. It's incredibly easy to move the mounting screw holders between ATX and Micro-ATX mobo configuration.

If you've got the space, I'd go big on a case - better airflow and temperature management, easier cable management plus if you ever need to have a larger motherboard, you won't need a new case.
I'm actually thinking of getting a cheaper case without USB-C, and later getting some front panel that supports USB-C. (Interestingly enough, this computer would be the first device I have that supports host USB-C; I have a few that support device side USB-C, but they work fine with a USB A to C cable, except that I haven't tried it with my Raspberry Pi 4 (which uses the USB-C port for power).)
Posted January 06, 2022
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Ranayna: Generally, at least as long as we exclude stuff like power delivery, DP-Alternate mode, Thunderbolt or whatever the consortium decided to cram into USB, the USB standards are very compatible to each other. The slowest component sets the maximum speed.
I've actually looked into some of this:
* Power delivery could be useful for charging higher power devices. I wonder if a PD-capable port would be able to power a Raspberry Pi 4.
* DP-Alternate mode allows a computer to send output to a monitor via DisplayPort, provided the right combo is available. My motherboard actually has a dedicated DisplayPort slot (not USB-C), and my montitor has a DisplayPort input that isn't currently being used, so that is an option.

Speaking of which, video output can be a bit confusing. What I have here is this:
* Old desktop has VGA, DVI, and HDMI. With the right cable (and I have such a cable), DVI can be converted to HDMI, albeit without audio, allowing me to use dual monitors with my old desktop.
* New motherboard has VGA, HDMI, and DisplayPort. I could use the same two monitors with this new desktop, but I would need a new cable for DisplayPort. It seems that cables tend to only go from DisplayPort output to HDMI input, not the other way around.
* Raspberry Pi 4 has two micro-HDMI outputs. Raspberry Pi Zero has one mini-HDMI output. (mini-HDMI and micro-HDMI are not the same.)
* At least with HDMI, the input and output ends look the same, so it's confusion that some HDMI ports are input-only and others are output-only. Also, apparently there's HDMI with Ethernet, but how can one actually use that Ethernet?
* Monitor has HDMI, DisplayPort, and something called D-SUB (which is apparently VGA?)
* A small TV I have has 2 HDMI inputs.
* Both my laptops have only HDMI output, but they do have built-in screens, unlike most desktops.
* (To add to the confusion, some all-in-one desktops have HDMI input, but not all do, and the port looks just like HDMI output.)

There's also some confusion with USB, though the most frustrating aspect I've found is that USB-A looks symmetrical but isn't, so you can't easily tell which way to insert it without looking (and looking isn't always practical).
Posted January 06, 2022
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pds41: Probably, but if it doesn't, just buy a USB header to PCI bracket adapter, which will use a spare PCI slot's backplate to give you a USB-C port (or other type if you look hard enough). Or, you could get a header-to-3-1/2 inch bay card reader and USB ports. Not much uses these bays anymore.

Regarding a case, doesn't really matter. I prefer an ATX case, but some people like the smaller ones. They're just a bit harder for cable management and airflow. It's incredibly easy to move the mounting screw holders between ATX and Micro-ATX mobo configuration.

If you've got the space, I'd go big on a case - better airflow and temperature management, easier cable management plus if you ever need to have a larger motherboard, you won't need a new case.
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dtgreene: I'm actually thinking of getting a cheaper case without USB-C, and later getting some front panel that supports USB-C. (Interestingly enough, this computer would be the first device I have that supports host USB-C; I have a few that support device side USB-C, but they work fine with a USB A to C cable, except that I haven't tried it with my Raspberry Pi 4 (which uses the USB-C port for power).)
https://www.amazon.co.uk/EZDIY-FAB-Internal-Brushed-1-Type-C-Charging/dp/B07H14T3V5/ref=asc_df_B07H14T3V5/

You'll want this type of thing. It'll use a 3.5 inch bay, but if it's just a panel with wire rather than a full unit, you can probably jury-rig a SATA SSD enclosure behind it.

I'd also say you should make sure you have a case with decent airflow - I like a good push-pull setup that draws air through the whole system. Better case cooling means less noise from your CPU - and always have case fans active (if you don't, your CPU will overheat and throttle)
Posted January 06, 2022
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pds41: (if you don't, your CPU will overheat and throttle)
I've experienced this with my old desktop, especially when the cooling was broken. It did, however, give me an idea of when a game or website is poorly optimized and/or wasteful of resources.
Posted January 06, 2022
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dtgreene: * Power delivery could be useful for charging higher power devices. I wonder if a PD-capable port would be able to power a Raspberry Pi 4.
Yes. Any USB-C PD (same as Qualcomm QC) charger provides 5V 2/3Amps, it only increases the Voltage after the negociation between the two devices.
However it might show the power icon if you have a lot of stuff powered by the Pi, say, 3 hard drives and 1 USB hub.
Posted January 06, 2022
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dtgreene: * Power delivery could be useful for charging higher power devices. I wonder if a PD-capable port would be able to power a Raspberry Pi 4.
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Dark_art_: Yes. Any USB-C PD (same as Qualcomm QC) charger provides 5V 2/3Amps, it only increases the Voltage after the negociation between the two devices.
However it might show the power icon if you have a lot of stuff powered by the Pi, say, 3 hard drives and 1 USB hub.
I do at least have a powered USB 3 hub, though it's not currently plugged in. (When it is plugged in, it's good for charging my phone.)

There's an SSD not connected to the hub. (Connecting it to the hub seems to introduce enough latency to make the boot fail, since the OS is running from said SSD; no SD card here!)

(By the way, the Raspberry Pi (2) Zero (W) can be run without a USB port; you just need a host computer an a piece of software called "rpiboot" to upload the system to the Pi's RAM. Won't work with the Pi 4, as it can't boot that way (even though it does have device-side USB-C).)
Posted January 06, 2022
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dtgreene: MSI B550m Pro Wifi.
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Dark_art_: If you didn't already test the computer and by any chance it won't boot, you probably need to update the BIOS so it can support your CPU.
it should support it ootb..
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General discussionCase and power supply questions(23 posts)(23 posts)
(23 posts)