All Questions
15
questions
3
votes
0
answers
72
views
Designing a U.2 to M.2 NVMe adapter
I'm considering designing my own U.2 to M.2 converter card to make use of the four U.2 (PCIe 3.0 x4) connectors on my motherboard. Commercial products are available for doing this type of conversion, ...
- 10.8k
1
vote
0
answers
127
views
What are these PCIe connectors that are slightly larger than SFF-8653 8i?
I have some computer motherboards that ware evidently a special-order for the ASRock Rack because the vendor does not have the model listed on their website, and when I contacted them they said they ...
- 111
3
votes
1
answer
253
views
What is the name / Part Number for PCIE 6+2 Power Connectors (Specifically the +2 connector without a retention clip)
This is the part I'm trying to find:
I can find the 6 pin connector (I think), but I can't seem to find the +2 pin connector. I'm attempting to make some cable assemblies for a weird but fun project ...
- 115
0
votes
1
answer
507
views
Can I have 2-layer design with PCIe connector?
I was wondering whether I can have a 2-layer instead of 4-layer pcb design with PCIe golden finger and PCIe connector. Should it always be 4-layer, which I found from the PCI-SIG presentation in 2004? ...
- 29
0
votes
1
answer
1k
views
PCIe high speed signal TX and RX routing with via
I am working on 4-layer pcb design with PCIe connector and golden finger. I asked a question about power planes before:Necessary to put all power planes together for 4-layer pcb?
Now I have a follow-...
- 29
0
votes
1
answer
181
views
Necessary to put all power planes together for 4-layer pcb?
It is my first time working on a 4-layer pcb design with PCIe golden finger. I have 2 voltage levels, 3.3V and 12V. I set the third layer to be the power plane. Does it mean that I have to always put ...
- 29
1
vote
1
answer
820
views
How to draw chamfer on PCB for PCIe finger in Eagle
I am drawing a pcb with PCIe golden finger. Based on the datasheet shown below, it requires chamfer at the edge of the finger. I am new to PCIe golden finger, was wondering how I can achieve this part....
- 29
21
votes
2
answers
74k
views
What are "sense" pins in 8-pin PCI Express power plug?
I have an ATX PSU that has two 6pin connectors for PCI Express power. Both have Gnd on the lock bar side, and +12V on the opposite side. I lost modular cables that came with the PSU, and it made me to ...
- 689
0
votes
1
answer
927
views
Does anybody have PCIe (3.0) aka PCI Express module card edge connector technical drawing? [duplicate]
I was searching through the internet to find PCI Express card edge connector footprints / technical drawings / pin spacing / layout of the module cards that you stick in these connectors you can find ...
- 103
0
votes
0
answers
605
views
6-Pin Battery Connector to 2 Wire Terminal Connection
I have a 16V 6-Pin battery. I am trying to get it so that I am going from a 6-pin connection to a 2 wire connection. I have been unable to find any adapter online so I went ahead and cut off the ...
- 101
2
votes
1
answer
232
views
Help identifying a possible connector for these unterminated contacts on my HP Stream 14 motherbard
I'm trying to identify the appropriate connector for this bundle of unterminated contacts, from my HP Stream 14 motherboard.
I'm talking about the red circled part of the motherboard:
Here's a close ...
- 279
2
votes
2
answers
3k
views
What are the part numbers for PCI-E 8-pin and 6-pin power connectors?
https://upload.wikimedia.org/wikipedia/commons/a/af/PCI_Express_Power_Supply_Connector-female_PNr%C2%B00438.jpg
I believe they are Molex Mini-Fit series but I can't find the exact match. Thanks.
...
- 327
0
votes
1
answer
2k
views
M.2, WiFi pins and bus
I am trying to gather some info about the M.2 connector.
My end goal is to add Wifi capabilities (e.g. using an Intel Pro Wireless M.2 card) to a Computer On Module system (iMX6, raspberry pi cm3, ...
- 101
7
votes
5
answers
2k
views
Generic name for Molex(tm) Mini-Fit Jr(tm)? Standard definition?
The PC industry uses a large variety of power connectors which were originally introduced by Molex, using their trademarked (and search-engine unfriendly) brand name "Molex Mini-Fit Jr". This started ...
- 390
2
votes
2
answers
2k
views
Switch PCIe connections
I'm trying to implement a PCI express switch; one lane from SoC and, two for mini PCIe ports. Something like the picture below.
But I'm confused with the Tx and Rx connections, the transmitter should ...
- 157