HDMI header on a motherboard


M

Mr. Man-wai Chang

Could I buy a DIY part that enables the use of the HDMI header on the
Asus IPMMB-FM motherboard?

Below is a lin to the picture of the motherboard!

http://postimg.org/image/nw822789f/

--
@[email protected] Remain silent. Nothing from soldiers and magicians is real!
/ v \ Simplicity is Beauty! May the Force and farces be with you!
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F

Flasherly

Could I buy a DIY part that enables the use of the HDMI header on the
Asus IPMMB-FM motherboard?

Below is a lin to the picture of the motherboard!

http://postimg.org/image/nw822789f/

There's one at the bottom to this -
http://www.hardwaresecrets.com/printpage/Everything-You-Need-to-Know-About-the-SPDIF-Connection/82

(I'm running the PC optical out to a 140watt amp / 4ohm studio
monitors in straight SPDIF-SPDIF - well, the rack-mounted pre-amp is
optical SPDIF and is called a DSP unit. Think a heavy-duty primary
focus on para/geometric and hard/soft- legged EQ limiting,
(post/modern DBX limiting/expansion crap), either through the
dedicated DSP, or via PC sound processing from plug-in modules
associated through the player programs;- heavy duty shit, plugin
modules real _radio stations_ buy, and not the generic/game butt-plugs
for most PC setups to make audio sound exactly as if it's coming
through a sewer pipe.
 
P

Paul

Mr. Man-wai Chang said:
Could I buy a DIY part that enables the use of the HDMI header on the
Asus IPMMB-FM motherboard?

Below is a lin to the picture of the motherboard!

http://postimg.org/image/nw822789f/

Your picture, looks like IPIBL-LA.

http://h10025.www1.hp.com/ewfrf-JAVA/Doc/images/450/c01077645.jpg

http://h10025.www1.hp.com/ewfrf-JAVA/Doc/images/352/c01077644.gif

The list on the Asus Estore is pretty short, and I don't see one.

http://us.estore.asus.com/index.php?l=product_list&c=111

A suggested pinout for that header, is documented here.
You can see there is something very very wrong about this.

http://www.evga.com/forums/tm.aspx?m=637895&mpage=1

Is it really an extender connection for *digital* audio ?
Or is it an actual HDMI connector (monitor video) ?

"One Intel high-definition Audio/Modem Link (2x8 HDMI connector).
It sends these signlas:

1 ACZ_BITCLK
2 GND
3 -ACZ_RST
4 VCC3
5 ACZ_SYNC
6 GND
7 ACZ_SDOUT
8 VCC3
9 ACZ_SDIN0
10 +12V
11 ACZ_SDIN1
12 No Pin
13 ACZ_SDIN3
14 3VDUAL
15 ACZ_SDIN2
16 GND
"

Go back, and look carefully at that header again.
Do the power pins on the above header (4,8,10,14)
have fat traces going to them ? That would tend to
confirm they're power, and the connector is not
really HDMI. Carefully probe with your multimeter.
If you're finding +12V on pin 10, that's not a real HDMI.
A real HDMI would never have a high voltage like that on it.

The way you send HDMI, would require D+ D- GND D+ D- GND
and there would be differential pairs of signals with
intervening shield ground pin. On a 2xN connector, it
would mean a pair of data pins, a pair of grounds. And,
the copper traces leading up to the header, would align
with that concept. The copper traces I see in one
picture of that style of header, tend to suggest the
above pinout instead.

The above pinout, would lead to a card with a HDAudio
chip on it. My Asus motherboard, when they wanted to
do that, they ran the above signals over a PCI Express
x1 pinout somehow. So they've tried this thing before.

Review the trace pattern carefully, before you get
too excited. It might not be HDMI after all.

Paul
 
M

Mr. Man-wai Chang


Thanks! Cut-and-pasted the wrong text! My apology, Your Honor!

The above pinout, would lead to a card with a HDAudio
chip on it. My Asus motherboard, when they wanted to
do that, they ran the above signals over a PCI Express
x1 pinout somehow. So they've tried this thing before.

Review the trace pattern carefully, before you get
too excited. It might not be HDMI after all.

I guess I should forget about it then...

I actually asked HP directly. The customer support didn't even wanna
talk about that header in the replies.

The HP m9088hk, which used that motherboard, was shipped with a GeForce
8500GT display card. The display card has a working HDMI port.


--
@[email protected] Remain silent. Nothing from soldiers and magicians is real!
/ v \ Simplicity is Beauty! May the Force and farces be with you!
/( _ )\ (Fedora 19 i686) Linux 3.9.9-301.fc19.i686
^ ^ 21:18:01 up 6:36 0 users load average: 0.00 0.01 0.05
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http://www.swd.gov.hk/tc/index/site_pubsvc/page_socsecu/sub_addressesa
 
M

Mr. Man-wai Chang


The motherbaord does seem to have a SPDIF port...

Could it be used to connect to modern generation of digital TVs?


--
@[email protected] Remain silent. Nothing from soldiers and magicians is real!
/ v \ Simplicity is Beauty! May the Force and farces be with you!
/( _ )\ (Fedora 19 i686) Linux 3.9.9-301.fc19.i686
^ ^ 21:18:01 up 6:36 0 users load average: 0.00 0.01 0.05
ä¸å€Ÿè²¸! ä¸è©é¨™! ä¸æ´äº¤! ä¸æ‰“交! ä¸æ‰“劫! ä¸è‡ªæ®º! è«‹è€ƒæ…®ç¶œæ´ (CSSA):
http://www.swd.gov.hk/tc/index/site_pubsvc/page_socsecu/sub_addressesa
 
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F

Flasherly

The motherbaord does seem to have a SPDIF port...

Could it be used to connect to modern generation of digital TVs?

That's the definition, according to the link: vid/audio vis-à-vis
HDMI. You'll have to figure the strobes from a point of
standardization, what pinouts specifically contribute from HDMI to
whether there's actual advantage in what you're looking for from that
overlap -say- as compared to some of the other connection standards.
Modern generation, what's that going to be? ... but a mishmash of
brands vying for haphazard ideas between present technological means
and broader, but certainly inconclusive, implementation. ...Let me
look, according to "The Seat of My Pants" theorem, the innate Cosmic
Truth that radiates through me says that your video chip is going to
trump whatever HDMI video standards are being offered;- although, I'll
go something less than even odds on what concurrent HDMI audio may
offer, discounting, of course, any especially endowed PCI soundboard
(such as my PCI/SPDIF Asus Xonar);- some MB chipped audio stations
tend actually to be much nicer than yesteryear's generic MB audio
offerings (haven't tried the Gigabyte on this system, although noted
they're pushing a similar audio chipset orientation spec'd for better
skullcans. Liked the Xonar so much, I bought two to use them
exclusively;- besides, VOIP and microphones for telephony through
service carriers, some audio chips display annoying latency/echo
issues.) Could be wrong -haven't we been through this before- but
what's to say HDMI isn't a vesture residual, the token stub of a tail
at the base of the backbone, a disjointed eye-nerve detached at the
back of the head, destined for extinction?
 
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