VOGONS


First post, by Darren7

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Hi all!

New member here 😀

I am trying to re-use my father's old Windows 95/98 machine. The only issue I am facing is the serial mouse (no ps/2 connector available on the motherboard). Keyboard and speakers all work fine. The com port, which is the type that affixes to the chasis and connects to the motherboard via ribbon cable and multi-pin connector was missing, and couldn't connect the mouse to anywhere. After searching the entire workshop, I found an old similar machine which had these com ports that I required. Connected them and booted up system, nothing works. I updated the mouse software and looks like it installed correctly (as seen on Device Manager). I decided to purchase the subject I/O card (attached photos), unfortunately mouse still did not work. I entered BIOS and disabled on-board COM ports 1 and 2, including parallel port.

My question is, is there someone who can guide me how to properly configure this card via hardware (jumpers?). The second photo attached shows the current jumper configuration of the 9 pin COM port (S1), as purchased.

Would appreciate your guidance.

Thank you very much, much appreciated.

Regards,
Darren

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Reply 1 of 6, by weedeewee

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4 serial ports, 2 parallel ports?

normally
COM1 = io=3F8,irq=4
COM2 = io=2F8,irq3

just looking at the jumper config of your card, it looks like the first port is set to com4 irq 9 , second to com5 irq 10.
make sure you disable the onboard ports and change it so S1 = JP1=1 (com1), JP2= 4 (irq 4) and S2 = JP3=2 (com2), JP4=3 (IRQ3)

Right to repair is fundamental. You own it, you're allowed to fix it.
How To Ask Questions The Smart Way
Do not ask Why !
https://www.vogonswiki.com/index.php/Serial_port

Reply 2 of 6, by Darren7

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Thank you for your reply.

I carried out what you advised. Unfortunately, still did not work.

I executed the hardware installation setup. At the end, Serial Mouse was visible to be installed.
Restarted PC, and still wouldn't work.

What shall I check/configure next please?

Thank you for your assistance, much appreciated! 😀

Reply 5 of 6, by weedeewee

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snufkin wrote on 2021-06-03, 16:00:

May also want to try changing the 'S1-S4 IRQ Enable' jumpers down near the connector (JP13?) and set those to 3 & 4 rather than 9&10.

Thanks, I missed that one.

Right to repair is fundamental. You own it, you're allowed to fix it.
How To Ask Questions The Smart Way
Do not ask Why !
https://www.vogonswiki.com/index.php/Serial_port

Reply 6 of 6, by Fdiskitup

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I searched for about an hour with TC420 and statson images, then I looked at the back of the card
“Byte Runner FC-420”
Manual is here
http://www.byterunner.com/tech/tc420-p1.jpg
http://www.byterunner.com/tech/tc420-p2.jpg
http://www.byterunner.com/tech/tc420-p3.jpg
http://www.byterunner.com/tech/tc420-p4.jpg
http://www.byterunner.com/tech/tc420-p5.jpg
http://www.byterunner.com/tech/tc420-p6.jpg
http://www.byterunner.com/tech/tc420-p7.jpg
http://www.byterunner.com/tech/tc420-p8.jpg

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