[coreboot] v3 parallel port console?

Carl-Daniel Hailfinger c-d.hailfinger.devel.2006 at gmx.net
Mon Oct 6 00:54:15 CEST 2008

On 16.09.2008 17:13, Carl-Daniel Hailfinger wrote:
> On 16.09.2008 08:53, Corey Osgood wrote:
>> On Mon, Sep 15, 2008 at 8:14 PM, Joseph Smith <joe at settoplinux.org> wrote:
>>> On Tue, 16 Sep 2008 01:28:40 +0200, Carl-Daniel Hailfinger
>>> <c-d.hailfinger.devel.2006 at gmx.net> wrote:
>>>> since the market share of machines with a serial port is shrinking
>>>> rapidly and USB debug cables are not affordable at all for hobbyists, we
>>>> may need to support console on parallel port.
>>>> I do realize that not all machines lacking a serial port will have a
>>>> parallel port, but as long as it improves our console coverage, I'm
>>>> inclined to suggest parallel console support as a viable option.
>>>> Parallel port console support has the advantage of being faster than
>>>> serial port console, at the same time keeping the cost for a cable in
>>>> the single digit dollar range.
>>>> What do you think?
>>>> Do we have any other devices on board which don't require interrupts to
>>>> run? Floppy connector? POST cards? PC speaker (with 1-wire protocol)? Is
>>>> it possible to use any of them with cheap home-built adaptors?
>>> I like this idea. I would also be nice to be able to use a parallel port
>>> post (say that five times fast) card for embedded boards without a PCI
>>> slot. The one I have does both, PCI and/or Parallel.
>> The question I have is, are there really systems out there that have
>> parallel and not serial? 
> I believe so, but they are on the way out as well.

Found one. The MSI K9AGM2-FIH has parallel and not serial.
Chipset is AMD 690G/SB600, one of the candidate boards.



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