Jumpers and Com ports

  amd33 22:32 24 Jul 2004

I am currently doing a Course on Certs a+ restoration of PCs I am at the fault finding section 6 and can not get the hang of the settings the question I have to answer is If I had to configure new comn ports wha jumpers would have to be moved and to where how would I do it.
I just can not get the hang at all can anyone help
desperate student

  woodchip 22:36 24 Jul 2004

jumpers are on the modem card or in the external modem, you have to change com port and Irq settings with jumpers. And normaly have a choise of two different com settings

  woodchip 22:37 24 Jul 2004

Not all modems support jumpers

  amd33 22:40 24 Jul 2004

I do realise this but Ill put it to you the Q i have is write down which pins on JP1 and JP2 would be shortened and at what positions in order to achieve the correct configuration/ and the second part goes on to ask wrtite down the displays I would expect to see once these changes have been made by running a diagnostic testing

  woodchip 22:46 24 Jul 2004

You would have to have a particular modem or diagram to know what to look at. As they are\all different

  amd33 22:49 24 Jul 2004

I know but the answer is probablly right in front of me & I just cannot see it !!!
cheers anyway

  woodchip 22:58 24 Jul 2004

i have a old modem now in my hand jumpers are on pin2 that gives com2 irq on pin3 gives irq4 and a jumper on pins six. the com ports apperat to support pins 124and6 the rest are for irq's up to number 15 irq

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