Re: Southbridges and interrupts

From	Dave Yeo <dave.r.yeo@gmail.com>
Newsgroups	comp.os.os2.apps, comp.os.os2.setup.misc, comp.sys.ibm.pc.hardware.chips
Subject	Re: Southbridges and interrupts
Date	2011-08-16 18:39 -0700
Organization	Aioe.org NNTP Server
Message-ID	<j2f66m$t25$1@speranza.aioe.org> (permalink)
References	(10 earlier) <IU.D20110812.T054838.P16927.Q0@J.de.Boyne.Pollard.localhost> <j24ngf$319$1@speranza.aioe.org> <IU.D20110815.T170901.P11689.Q0@J.de.Boyne.Pollard.localhost> <j2ce5f$pqv$1@speranza.aioe.org> <IU.D20110816.T162535.P23192.Q0@J.de.Boyne.Pollard.localhost>

Cross-posted to 3 groups.

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Jonathan de Boyne Pollard wrote:
>> Only one UART here which is using IRQ#4
>
> A W83627EHG has two UARTs, A and B.  Unless you have gone into the
> firmware SETUP utility and explicitly disabled UART B, which instructs
> the firmware to set the enable bit to zero in the device's configuration
> space during POST, you'll have two UARTs.

The firmware SETUP utility only shows one serial port, which besides the 
disabled setting, can be set to any of the usual settings for the first 
4 ports. Hardware manager only shows one port as well and there is 
physically only one port at the back of the computer.
I'd guess the firmware disables it during post.
Dave

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Re: doscall1 Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2011-08-10 15:51 +0100
  Re: doscall1 "Dariusz Piatkowski" <dariusz@_NO-SPAM_mnsi.net> - 2011-08-10 18:51 +0000
    Re: doscall1 "Lars Erdmann" <lars.erdmann@arcor.de> - 2011-08-11 08:47 +0200
      Re: doscall1 "Dariusz Piatkowski" <dariusz@_NO-SPAM_mnsi.net> - 2011-08-17 21:38 +0000
    Re: Southbridges and interrupts Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2011-08-12 12:51 +0100
    Re: OS2APIC.PSD Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2011-08-12 14:02 +0100
      Re: OS2APIC.PSD "Dariusz Piatkowski" <dariusz@_NO-SPAM_mnsi.net> - 2011-08-17 21:35 +0000
        Re: OS2APIC.PSD Peter Brown <losepeteSPAM-ME-NOT@ntlworld.com> - 2011-08-18 01:10 +0100
          Re: OS2APIC.PSD "Dariusz Piatkowski" <dariusz@_NO-SPAM_mnsi.net> - 2011-08-18 01:04 +0000
            Re: OS2APIC.PSD "Lars Erdmann" <lars.erdmann@arcor.de> - 2011-08-18 11:07 +0200
              Re: OS2APIC.PSD "Dariusz Piatkowski" <dariusz@_NO-SPAM_mnsi.net> - 2011-08-19 02:26 +0000
              Re: OS2APIC.PSD "Rich Walsh" <spamyourself@127.0.0.1> - 2011-08-19 04:10 +0000
          Re: OS2APIC.PSD "Lars Erdmann" <lars.erdmann@arcor.de> - 2011-08-18 11:05 +0200
            Re: OS2APIC.PSD Peter Brown <losepeteSPAM-ME-NOT@ntlworld.com> - 2011-08-19 14:49 +0100
              Re: OS2APIC.PSD "Dariusz Piatkowski" <dariusz@_NO-SPAM_mnsi.net> - 2011-08-20 03:18 +0000
                Re: OS2APIC.PSD Peter Brown <losepeteSPAM-ME-NOT@ntlworld.com> - 2011-08-20 15:05 +0100
                Re: OS2APIC.PSD "Dariusz Piatkowski" <dariusz@_NO-SPAM_mnsi.net> - 2011-08-20 17:49 +0000
              Re: ACPI.PSD Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2011-08-22 11:16 +0100
            Re: OS2APIC.PSD Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2011-08-22 11:06 +0100
        Re: OS2APIC.PSD Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2011-08-19 12:24 +0100
          Re: OS2APIC.PSD "Dariusz Piatkowski" <dariusz@_NO-SPAM_mnsi.net> - 2011-08-19 20:48 +0000
            Re: OS2APIC.PSD Dave Yeo <dave.r.yeo@gmail.com> - 2011-08-19 18:09 -0700
              Re: OS2APIC.PSD "Dariusz Piatkowski" <dariusz@_NO-SPAM_mnsi.net> - 2011-08-20 03:14 +0000
            Re: OS2APIC.PSD Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2011-08-21 13:27 +0100
          Re: OS2APIC.PSD "Lars Erdmann" <lars.erdmann@arcor.de> - 2011-09-05 18:59 +0200
    Re: doscall1 "Trevor Hemsley" <Trevor.Hemsley@mytrousers.ntlworld.com> - 2011-08-12 13:57 -0500
      Re: os2apic Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2011-08-15 16:17 +0100
    Re: OS2APIC.PSD Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2011-08-15 16:34 +0100
      Re: OS2APIC.PSD "Dariusz Piatkowski" <dariusz@_NO-SPAM_mnsi.net> - 2011-08-17 21:32 +0000
  Re: doscall1 Dave Yeo <dave.r.yeo@gmail.com> - 2011-08-11 07:54 -0700
    Re: doscall1 Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2011-08-11 18:29 +0100
      Re: doscall1 Dave Yeo <dave.r.yeo@gmail.com> - 2011-08-11 17:10 -0700
        Re: Southbridges and interrupts Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2011-08-12 06:47 +0100
          Re: Southbridges and interrupts Dave Yeo <dave.r.yeo@gmail.com> - 2011-08-12 19:28 -0700
            Re: Southbridges and interrupts Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2011-08-15 18:07 +0100
              Re: Southbridges and interrupts Dave Yeo <dave.r.yeo@gmail.com> - 2011-08-15 17:38 -0700
                Re: Southbridges and interrupts Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2011-08-16 16:58 +0100
                Re: Southbridges and interrupts Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2011-08-16 17:24 +0100
                Re: Southbridges and interrupts Dave Yeo <dave.r.yeo@gmail.com> - 2011-08-16 18:39 -0700
                Re: Southbridges and interrupts Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2011-08-17 10:36 +0100
          Re: Southbridges and interrupts Dave Yeo <dave.r.yeo@gmail.com> - 2011-08-12 19:52 -0700
            Re: Southbridges and interrupts Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2011-08-15 17:10 +0100

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