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#1
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Dell Optiplex Second Serial port
I have a Dell optiplex GX270, a I would like to use the second serial
port that is present on de motherboard. Does anyone have the pinout of this 12-pin connector? I assume that 9 of them are used to connect to the 9-subD, and one pin is not present. So there are two pins left, which I expect to be used for availibility detection (enable). But I'd like to be more certain before trying. Who can help? |
#2
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"John Fox" wrote in message
... I have a Dell optiplex GX270, a I would like to use the second serial port that is present on de motherboard. Does anyone have the pinout of this 12-pin connector? I assume that 9 of them are used to connect to the 9-subD, and one pin is not present. So there are two pins left, which I expect to be used for availibility detection (enable). But I'd like to be more certain before trying. Who can help? That doesn't sound like a serial port - perhaps a joystick port?? |
#3
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Well,
it is definitely a serial port. The connector is also mentionned in the documentation, but no pins are described.... |
#4
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"John Fox" wrote in message
... Well, it is definitely a serial port. The connector is also mentionned in the documentation, but no pins are described.... A recount here reveals that joysticks are 15 pin connectors and I';m sure you know what a VGA connector looks like, so that leaves me stumped! Serial ports are either 9 pin or 25 pin affairs. I have never encountered a 12pin serial port or cable. Do they mention anything about convertor adapters to connect to standard RS232 serial cables? |
#5
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Well,
the connector on the main board is one for inserting a flatcable connector., male It looks like this: ------------ | oooo o | | oooooo | -----__---- Where o = a pin. So pin 1 to 9 are present, pin 10 is empty, and pin 11 and 12 are also present. As I mentionned in first, I think the 2 extra pins (11 & 12) are use to detect the presence of the adapter cable, so it can be visible in the bios setup. I know DELL sells such an adaptor cable (option when buying a PC) |
#6
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John Fox wrote:
Well, the connector on the main board is one for inserting a flatcable connector., male It looks like this: ------------ | oooo o | | oooooo | -----__---- Where o = a pin. So pin 1 to 9 are present, pin 10 is empty, and pin 11 and 12 are also present. As I mentionned in first, I think the 2 extra pins (11 & 12) are use to detect the presence of the adapter cable, so it can be visible in the bios setup. I know DELL sells such an adaptor cable (option when buying a PC) Have you tried searching their support site for information on it? |
#7
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Well,
I searched the DELL site, but they seem to do very mysterious about it. No pinning info is found... |
#8
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John Fox wrote:
Well, I searched the DELL site, but they seem to do very mysterious about it. No pinning info is found... Email Dell support. |
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