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#1
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USB Adapter
I've got an old motherboard from Epox & I was going to add a USB adapter to
the board, but it has a weird looking pin arrangement. My adapter has a 5 pin plug on the end, but the mobo has a double row of 8 pins. How in the heck do I get this thing to work? Is there an adapter with an 8 pin plug? |
#2
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Post your model number for more help. The chances are that the
8 pins on the mobo are for 2 USB ports, 4 pins each. Also post the pinouts of your adapter. "Patch" wrote in message news I've got an old motherboard from Epox & I was going to add a USB adapter to the board, but it has a weird looking pin arrangement. My adapter has a 5 pin plug on the end, but the mobo has a double row of 8 pins. How in the heck do I get this thing to work? Is there an adapter with an 8 pin plug? |
#3
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"Pen" wrote in message et... Post your model number for more help. The chances are that the 8 pins on the mobo are for 2 USB ports, 4 pins each. Also post the pinouts of your adapter. The model is; EP58MVP3C-M 100 Mhz. I have 2 rows of 8 pins, for a total of 16 pins. They are numbered 1 thru 16. Pin 1 has 5 volts on it. I tried plugging my 5 pin adapter on it, with the red wire (pin 1) to the 5 volt pin on the mobo, but the computer wouldn't boot up. |
#4
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Patch wrote:
I've got an old motherboard from Epox & I was going to add a USB adapter to the board, but it has a weird looking pin arrangement. My adapter has a 5 pin plug on the end, but the mobo has a double row of 8 pins. How in the heck do I get this thing to work? Is there an adapter with an 8 pin plug? What you're describing is not a USB adapter, it's a pair of usb ports that you're trying to plug in. BIG difference. A USB adapter is a PCI card that you add to your system to provide USB functionality or get better USB ports (a USB 2.0 card instead of USB 1.1 which may be on the motherboard). -- Are you registered as a bone marrow donor? You regenerate what you donate. You are offered the chance to donate only if you match a person on the recipient list. Call your local Red Cross and ask about registering to be a bone marrow donor. spam trap: replace shyah_right! with hotmail when replying |
#5
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"spodosaurus" wrote in message ... Patch wrote: I've got an old motherboard from Epox & I was going to add a USB adapter to the board, but it has a weird looking pin arrangement. My adapter has a 5 pin plug on the end, but the mobo has a double row of 8 pins. How in the heck do I get this thing to work? Is there an adapter with an 8 pin plug? What you're describing is not a USB adapter, it's a pair of usb ports that you're trying to plug in. BIG difference. A USB adapter is a PCI card that you add to your system to provide USB functionality or get better USB ports (a USB 2.0 card instead of USB 1.1 which may be on the motherboard). -- Well, on the box it came in it says "USB Port Adapter" I'm not going to buy a new Mobo just to get a USB 2.0. Getting back to my question, do you have an answer? |
#6
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I don't know where you got the idea that mobo
supported USB, but it doesn't. Buy a PCI plug in card if you want/need USB. What is this adapter that you bought? Manual is available here; ftp://ftp.epox.com/motherboard/suppo...al/mvp3c-m.pdf "Patch" wrote in message ... "Pen" wrote in message et... Post your model number for more help. The chances are that the 8 pins on the mobo are for 2 USB ports, 4 pins each. Also post the pinouts of your adapter. The model is; EP58MVP3C-M 100 Mhz. I have 2 rows of 8 pins, for a total of 16 pins. They are numbered 1 thru 16. Pin 1 has 5 volts on it. I tried plugging my 5 pin adapter on it, with the red wire (pin 1) to the 5 volt pin on the mobo, but the computer wouldn't boot up. |
#7
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My bad, yes there is a connector, but it's not explained anywhere,
nor is USB mentioned in the manual. However, on page 41 is the pinout. The 8 pins on the left are the operational ones. However, it will be 1.0 at most. "Pen" wrote in message et... I don't know where you got the idea that mobo supported USB, but it doesn't. Buy a PCI plug in card if you want/need USB. What is this adapter that you bought? Manual is available here; ftp://ftp.epox.com/motherboard/suppo...al/mvp3c-m.pdf "Patch" wrote in message ... "Pen" wrote in message et... Post your model number for more help. The chances are that the 8 pins on the mobo are for 2 USB ports, 4 pins each. Also post the pinouts of your adapter. The model is; EP58MVP3C-M 100 Mhz. I have 2 rows of 8 pins, for a total of 16 pins. They are numbered 1 thru 16. Pin 1 has 5 volts on it. I tried plugging my 5 pin adapter on it, with the red wire (pin 1) to the 5 volt pin on the mobo, but the computer wouldn't boot up. |
#8
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"jack" wrote in message ... "Patch" wrote in message ... : : "spodosaurus" wrote in message : ... : Patch wrote: : I've got an old motherboard from Epox & I was going to add a USB adapter : to : the board, but it has a weird looking pin arrangement. My adapter has a : 5 : pin plug on the end, but the mobo has a double row of 8 pins. How in the : heck do I get this thing to work? Is there an adapter with an 8 pin : plug? : : : : What you're describing is not a USB adapter, it's a pair of usb ports : that you're trying to plug in. BIG difference. A USB adapter is a PCI : card that you add to your system to provide USB functionality or get : better USB ports (a USB 2.0 card instead of USB 1.1 which may be on the : motherboard). : : -- : : Well, on the box it came in it says "USB Port Adapter" I'm not going to buy : a new Mobo just to get a USB 2.0. Getting back to my question, do you have : an answer? : I retired that exact same board about a year ago. I've still got both the board and the users manual sitting right here in front of me. That 16-pin connector (called CN1 in the manual) was Epox's idea of a proprietary connection to the motherboard. The way this worked was that you had to order a special cable from your mobo supplier (Epox designed and manufactured, of course) which was 16-pin on one end and USB on the other. Then you would just pull out one of the slot blanks and drop the Epox slot "blank" in, and you would have one (or possibly two, I don't remember) USB 1.0 connections. From what I heard Epox's implementation of USB never worked correctly on this board, and I have never seen the special cable to connect to the CN1 header. Your best bet would be to just buy a PCI USB 2.0 card and drop it in an empty slot, or better one of the better cards that offer both USB 2 and 1394 (Firewire). Short of that, you're looking at a new mobo purchase if you want **functioning** USB. Good luck, dude. J. I've tried a PCI USB 2.0 card, but this Mobo has USB ver 1.0 & the card won't work. Thanks for the response. |
#9
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Patch wrote:
I've tried a PCI USB 2.0 card, but this Mobo has USB ver 1.0 & the card won't work. Thanks for the response. A USB 2.0 PCI add on card has nothing to do with what version of USB is on the motherboard. -- Are you registered as a bone marrow donor? You regenerate what you donate. You are offered the chance to donate only if you match a person on the recipient list. Call your local Red Cross and ask about registering to be a bone marrow donor. spam trap: replace shyah_right! with hotmail when replying |
#10
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"do_not_spam_me" wrote in message om... "Patch" wrote in message t... The model is; EP58MVP3C-M 100 Mhz. I have 2 rows of 8 pins, for a total of 16 pins. They are numbered 1 thru 16. Pin 1 has 5 volts on it. I tried plugging my 5 pin adapter on it, with the red wire (pin 1) to the 5 volt pin on the mobo, but the computer wouldn't boot up. The second row is all grounds. The first 4 pins are for one of the USB ports, the second 4 for the other USB port. Common 5-pin USB adapter cables have 2 grounds at one end (black wires), +5V at the opposite end (red wire), and for the second set of USB pins on the motherboard you can let one of the ground wires overhang (provided it doesn't touch any metal), but for the first set of USB pins on the motherboard you'll have to cut off the plastic body to make it fit (bend back the ground wire that goes there and tape it around the cable, covering its metal part so it can't short). Pins 1-8 on the motherboard should be numbered: 1. +5V 2. Data- 3. Data+ 4. ground 5. +5V 6. Data- 7. Data+ 8. ground Thanks for the info, I now have 2 working USB ports! |
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