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Old 1st February 2017
caljundi caljundi is offline
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Default COM ports and OBSD

Hello,

I am running OBSD on an SCB and I need access to 4 COM ports. The version that I was running was 4.3 and it did not support accessing com3. Does recent versions of OBSD (5.9 for example) support accessing this port?

Thanks.
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Old 1st February 2017
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jggimi jggimi is offline
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It isn't clear to me what an SCB (or SBC) is. The com(4) man page for 6.0-release states these attachments for i386:
Code:
com0 at isa? port 0x3f8 irq 4 
com1 at isa? port 0x2f8 irq 3 
com2 at isa? port 0x3e8 irq 5 
com3 at isa? port 0x2e8 irq 9 
com* at isapnp? 
com* at pcmcia? 
com* at puc? 
com* at cardbus?

com* at addcom? 
com* at ast? 
com* at boca? 
com* at hsq? 
com* at rtfps?
There are other architectures in that man page, if this device is a different architecture.
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Old 1st February 2017
J65nko J65nko is offline
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https://www.openbsd.org/faq/faq5.html#Custom tells you how to enter UKC (User Kernel Configuration).
You can use this to modify the kernel to probe and configure for more COM ports.

Don't have an OpenBSD box at hand so I cannot give you a walkthrough rignt now )-;
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Old 1st February 2017
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The config(8) man page has good examples for revising ports and irqs.
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Old 6th February 2017
caljundi caljundi is offline
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Thanks a lot for your answers. I will look at the links.
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