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Modern*ish motherboard with Serial Port

Koidrid
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Hello, and good day to you all.

In light of the recent astronomical energy prices, I have decided to replace the old core 2 duo machine in our store as its costing us 50euro out of the total bill of 500 *was 140 in total.

 Now for the real problem, we need a replacement as modern as possible motherboard that has a serial port, as we have a critical piece of hardware that needs a serial port. Adaptors we have tried serial>usb have never worked. I am unable to find anything on this matter unfortunately.

 

Thank you to anyone willing to help

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What about a PCIe serial host controller card? https://www.amazon.com/Best-Sellers-Serial-Port-Cards/zgbs/pc/3015425011

 

Serial ports just don't exist on any remotely recent motherboard. 

Corps aren't your friends. "Bottleneck calculators" are BS. Only suckers buy based on brand. It's your PC, do what makes you happy.  If your build meets your needs, you don't need anyone else to "rate" it for you. And talking about being part of a "master race" is cringe. Watch this space for further truths people need to hear.

 

Ryzen 7 5800X3D | ASRock X570 PG Velocita | PowerColor Red Devil RX 6900 XT | 4x8GB Crucial Ballistix 3600mt/s CL16

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4 minutes ago, Koidrid said:

we need a replacement as modern as possible motherboard that has a serial port

A lot (I'd say "most") motherboards have a COM header on the board that can be routed to slot cover via a cable. Just check the motherboard manual to ensure it's there first.

 

4 minutes ago, Koidrid said:

Adaptors we have tried serial>usb have never worked.

This seems like the first problem that should be investigated. Make sure you're using an on-brand non-clone FDTI chip adapter. What symptoms occur when the previous adapters don't work? What baud is this device? (Heck, what is the device? Maybe someone knows already.)

Main System (Byarlant): Ryzen 7 5800X | Asus B550-Creator ProArt | EK 240mm Basic AIO | 16GB G.Skill DDR4 3200MT/s CAS-14 | XFX Speedster SWFT 210 RX 6600 | Samsung 990 PRO 2TB / Samsung 960 PRO 512GB / 4× Crucial MX500 2TB (RAID-0) | Corsair RM750X | Mellanox ConnectX-3 10G NIC | Inateck USB 3.0 Card | Hyte Y60 Case | Dell U3415W Monitor | Keychron K4 Brown (white backlight)

 

Laptop (Narrative): Lenovo Flex 5 81X20005US | Ryzen 5 4500U | 16GB RAM (soldered) | Vega 6 Graphics | SKHynix P31 1TB NVMe SSD | Intel AX200 Wifi (all-around awesome machine)

 

Proxmox Server (Veda): Ryzen 7 3800XT | AsRock Rack X470D4U | Corsair H80i v2 | 64GB Micron DDR4 ECC 3200MT/s | 4x 10TB WD Whites / 4x 14TB Seagate Exos / 2× Samsung PM963a 960GB SSD | Seasonic Prime Fanless 500W | Intel X540-T2 10G NIC | LSI 9207-8i HBA | Fractal Design Node 804 Case (side panels swapped to show off drives) | VMs: TrueNAS Scale; Ubuntu Server (PiHole/PiVPN/NGINX?); Windows 10 Pro; Ubuntu Server (Apache/MySQL)


Media Center/Video Capture (Jesta Cannon): Ryzen 5 1600X | ASRock B450M Pro4 R2.0 | Noctua NH-L12S | 16GB Crucial DDR4 3200MT/s CAS-22 | EVGA GTX750Ti SC | UMIS NVMe SSD 256GB / Seagate 1.5TB HDD | Corsair CX450M | Viewcast Osprey 260e Video Capture | Mellanox ConnectX-2 10G NIC | LG UH12NS30 BD-ROM | Silverstone Sugo SG-11 Case | Sony XR65A80K

 

Camera: Sony ɑ7II w/ Meike Grip | Sony SEL24240 | Samyang 35mm ƒ/2.8 | Sony SEL50F18F | Sony SEL2870 (kit lens) | PNY Elite Perfomance 512GB SDXC card

 

Network:

Spoiler 
                           ┌─────────────── Office/Rack ────────────────────────────────────────────────────────────────────────────┐
Google Fiber Webpass ────── UniFi Security Gateway ─── UniFi Switch 8-60W ─┬─ UniFi Switch Flex XG ═╦═ Veda (Proxmox Virtual Switch)
(500Mbps↑/500Mbps↓)                             UniFi CloudKey Gen2 (PoE) ─┴─ Veda (IPMI)           ╠═ Veda-NAS (HW Passthrough NIC)
╔═══════════════════════════════════════════════════════════════════════════════════════════════════╩═ Narrative (Asus USB 2.5G NIC)
║ ┌────── Closet ──────┐   ┌─────────────── Bedroom ──────────────────────────────────────────────────────┐
╚═ UniFi Switch Flex XG ═╤═ UniFi Switch Flex XG ═╦═ Byarlant
   (PoE)                 │                        ╠═ Narrative (Cable Matters USB-PD 2.5G Ethernet Dongle)
                         │                        ╚═ Jesta Cannon*
                         │ ┌─────────────── Media Center ──────────────────────────────────┐
Notes:                   └─ UniFi Switch 8 ─────────┬─ UniFi Access Point nanoHD (PoE)
═══ is Multi-Gigabit                                ├─ Sony Playstation 4 
─── is Gigabit                                      ├─ Pioneer VSX-S520
* = cable passed to Bedroom from Media Center       ├─ Sony XR65A80K (Google TV)
** = cable passed from Media Center to Bedroom      └─ Work Laptop** (Startech USB-PD Dock)

 

Retired/Other:

Spoiler

Laptop (Rozen-Zulu): Sony VAIO VPCF13WFX | Core i7-740QM | 8GB Patriot DDR3 | GT 425M | Samsung 850EVO 250GB SSD | Blu-ray Drive | Intel 7260 Wifi (lived a good life, retired with honor)

Testbed/Old Desktop (Kshatriya): Xeon X5470 @ 4.0GHz | ZALMAN CNPS9500 | Gigabyte EP45-UD3L | 8GB Nanya DDR2 400MHz | XFX HD6870 DD | OCZ Vertex 3 Max-IOPS 120GB | Corsair CX430M | HooToo USB 3.0 PCIe Card | Osprey 230 Video Capture | NZXT H230 Case

TrueNAS Server (La Vie en Rose): Xeon E3-1241v3 | Supermicro X10SLL-F | Corsair H60 | 32GB Micron DDR3L ECC 1600MHz | 1x Kingston 16GB SSD / Crucial MX500 500GB

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16 minutes ago, AbydosOne said:

A lot (I'd say "most") motherboards have a COM header on the board that can be routed to slot cover via a cable. Just check the motherboard manual to ensure it's there first.

 

This seems like the first problem that should be investigated. Make sure you're using an on-brand non-clone FDTI chip adapter. What symptoms occur when the previous adapters don't work? What baud is this device? (Heck, what is the device? Maybe someone knows already.)

We tried a few years ago for about a week, it would connect but it immediately disconnected or when it was stable it would just print jibrish , Its a POS terminal.... and we are forced to use that one exact model as for "security" noting else is compatible with the system. 

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The ProBook 650 G1 to G5 was available with a serial port, but if you are looking at a used one you have to make sure it has it, it was a optional extra

 

The ProBook 650 all generation is very durable and has a very low failure rate. I replaced my G1 two weeks ago, it is almost 7 years old and the only reason I replaced it was the built in WWAN card only supported 3G, and Norway has turned off the 3G towers

 

A better option is to find a actual POS pc, even a new one will have serial 

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3 minutes ago, Selle said:

The ProBook 650 all generation is very durable and has a very low failure rate.

Second that. I had a 650G1 as a work laptop for over five years and it was working fine up until the end. I tried to buy it off IT but they couldn't go out of channel to give it back to me 😕 

Main System (Byarlant): Ryzen 7 5800X | Asus B550-Creator ProArt | EK 240mm Basic AIO | 16GB G.Skill DDR4 3200MT/s CAS-14 | XFX Speedster SWFT 210 RX 6600 | Samsung 990 PRO 2TB / Samsung 960 PRO 512GB / 4× Crucial MX500 2TB (RAID-0) | Corsair RM750X | Mellanox ConnectX-3 10G NIC | Inateck USB 3.0 Card | Hyte Y60 Case | Dell U3415W Monitor | Keychron K4 Brown (white backlight)

 

Laptop (Narrative): Lenovo Flex 5 81X20005US | Ryzen 5 4500U | 16GB RAM (soldered) | Vega 6 Graphics | SKHynix P31 1TB NVMe SSD | Intel AX200 Wifi (all-around awesome machine)

 

Proxmox Server (Veda): Ryzen 7 3800XT | AsRock Rack X470D4U | Corsair H80i v2 | 64GB Micron DDR4 ECC 3200MT/s | 4x 10TB WD Whites / 4x 14TB Seagate Exos / 2× Samsung PM963a 960GB SSD | Seasonic Prime Fanless 500W | Intel X540-T2 10G NIC | LSI 9207-8i HBA | Fractal Design Node 804 Case (side panels swapped to show off drives) | VMs: TrueNAS Scale; Ubuntu Server (PiHole/PiVPN/NGINX?); Windows 10 Pro; Ubuntu Server (Apache/MySQL)


Media Center/Video Capture (Jesta Cannon): Ryzen 5 1600X | ASRock B450M Pro4 R2.0 | Noctua NH-L12S | 16GB Crucial DDR4 3200MT/s CAS-22 | EVGA GTX750Ti SC | UMIS NVMe SSD 256GB / Seagate 1.5TB HDD | Corsair CX450M | Viewcast Osprey 260e Video Capture | Mellanox ConnectX-2 10G NIC | LG UH12NS30 BD-ROM | Silverstone Sugo SG-11 Case | Sony XR65A80K

 

Camera: Sony ɑ7II w/ Meike Grip | Sony SEL24240 | Samyang 35mm ƒ/2.8 | Sony SEL50F18F | Sony SEL2870 (kit lens) | PNY Elite Perfomance 512GB SDXC card

 

Network:

Spoiler 
                           ┌─────────────── Office/Rack ────────────────────────────────────────────────────────────────────────────┐
Google Fiber Webpass ────── UniFi Security Gateway ─── UniFi Switch 8-60W ─┬─ UniFi Switch Flex XG ═╦═ Veda (Proxmox Virtual Switch)
(500Mbps↑/500Mbps↓)                             UniFi CloudKey Gen2 (PoE) ─┴─ Veda (IPMI)           ╠═ Veda-NAS (HW Passthrough NIC)
╔═══════════════════════════════════════════════════════════════════════════════════════════════════╩═ Narrative (Asus USB 2.5G NIC)
║ ┌────── Closet ──────┐   ┌─────────────── Bedroom ──────────────────────────────────────────────────────┐
╚═ UniFi Switch Flex XG ═╤═ UniFi Switch Flex XG ═╦═ Byarlant
   (PoE)                 │                        ╠═ Narrative (Cable Matters USB-PD 2.5G Ethernet Dongle)
                         │                        ╚═ Jesta Cannon*
                         │ ┌─────────────── Media Center ──────────────────────────────────┐
Notes:                   └─ UniFi Switch 8 ─────────┬─ UniFi Access Point nanoHD (PoE)
═══ is Multi-Gigabit                                ├─ Sony Playstation 4 
─── is Gigabit                                      ├─ Pioneer VSX-S520
* = cable passed to Bedroom from Media Center       ├─ Sony XR65A80K (Google TV)
** = cable passed from Media Center to Bedroom      └─ Work Laptop** (Startech USB-PD Dock)

 

Retired/Other:

Spoiler

Laptop (Rozen-Zulu): Sony VAIO VPCF13WFX | Core i7-740QM | 8GB Patriot DDR3 | GT 425M | Samsung 850EVO 250GB SSD | Blu-ray Drive | Intel 7260 Wifi (lived a good life, retired with honor)

Testbed/Old Desktop (Kshatriya): Xeon X5470 @ 4.0GHz | ZALMAN CNPS9500 | Gigabyte EP45-UD3L | 8GB Nanya DDR2 400MHz | XFX HD6870 DD | OCZ Vertex 3 Max-IOPS 120GB | Corsair CX430M | HooToo USB 3.0 PCIe Card | Osprey 230 Video Capture | NZXT H230 Case

TrueNAS Server (La Vie en Rose): Xeon E3-1241v3 | Supermicro X10SLL-F | Corsair H60 | 32GB Micron DDR3L ECC 1600MHz | 1x Kingston 16GB SSD / Crucial MX500 500GB

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8 minutes ago, AbydosOne said:

Second that. I had a 650G1 as a work laptop for over five years and it was working fine up until the end. I tried to buy it off IT but they couldn't go out of channel to give it back to me 😕 

Mine was replaced with a Lenovo P14s Gen2, and my backpack that I carry all day for work is now 1.4KG lighter, I can’t say I miss it 

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Well to be honest i would have preferred a NUC style computer, but the laptop *if i can find one* would be a very good alternative thank you all!

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The HP mini desktops also had the option to be spect with serial, ProDesk 400 Mini G1-4, ProDesk 600 Mini G1-4 and EliteDesk 800 G1-4

 

But as I stated in my original post, almost any actual POS pc will have serial

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1 minute ago, Philipp95 said:

https://www.asus.com/de/Motherboards-Components/Motherboards/PRIME/PRIME-H310M-C-R2-0-CSM/     still a good option and has a com port directly on the I/O as well as the option to add another later. Plus it's moisture proof coated and for industrial operation tested. 

Amazon Germany for 90€ https://www.amazon.de/Prime-H310M-C-Mainboard-Gigabit-LAN-Sound/dp/B07L4JQZHV

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39 minutes ago, Philipp95 said:

Amazon Germany for 90€ https://www.amazon.de/Prime-H310M-C-Mainboard-Gigabit-LAN-Sound/dp/B07L4JQZHV

Nice!

That's a Coffee Lake board.

A PC Enthusiast since 2011
AMD Ryzen 7 5700X@4.65GHz | GIGABYTE GTX 1660 GAMING OC @ Core 2085MHz Memory 5000MHz
Cinebench R23: 15669cb | Unigine Superposition 1080p Extreme: 3566
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13 hours ago, Koidrid said:

Adaptors we have tried serial>usb have never worked.


It should work. Serial interfaces works well as long as the drivers are correct.

To check, you can close pin 2 and 3 of the COM port with a jumper, and try with a terminal if the peripheral shows and echo what you send. If that's the case, something weird is going on with your application. I usually use FTDI serial to USB adapters, they show up as serial interfaces. On linux as ttyS0. On windows as a serial port.

 

Other than finding the correct driver, with possible issues with windows driver signature, they work. Check the code of the chip and install the correct driver. Might make your choice of MOBO that much easier.

My System: i7-13700F // Asus TUF 3080 10GB 

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22 minutes ago, Vishera said:

Nice!

That's a Coffee Lake board.

My company used 10 of these for passively cooled PCs all around the workshop with coffee lake Celerons, they're just perfect lots of USB 2.0 native Com port and m.2 for boot drive, and as I said moisture proof coating which is super nice because ofrapidly changing temperatures in the winter months!

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