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bwentdg at pipeline.com
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PostPosted: Thu Mar 27, 2008 5:48 am    Post subject: [asterisk-users] Question about PCI Slots for DIGIUMs Boards Reply with quote

I had sent this to Digium Sales and cant get a response from them, I
don't. know what that means......
So I thought I would ask it hear since i know others have struggled with
this.

"I an considering using *your High Density T*1 cards on a number of
servers we are considering purchasing. The vendor lists that his system has:

PCI Express*: two x8 slots*, t*wo x8 low profile slots*; *PCI-X:
64-bit/100MHz*

Could you please clarify *WHICH* of the above listed *PCI slots* are
suitable for use with your *High Density T1 cards*. If there is *more
than one combination that is possible*, could you please indicate *WHICH
*which high density T1 cards will work in *WHICH* type of PCI slot."

Thanks for any guidance and help since DIGIUM sales seems to be too busy
to advise a potential customer
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stotaro at totarotechn...
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PostPosted: Thu Mar 27, 2008 7:22 am    Post subject: [asterisk-users] Question about PCI Slots for DIGIUMs Boards Reply with quote

On Thu, Mar 27, 2008 at 6:48 AM, Al Baker <bwentdg at pipeline.com> wrote:
Quote:
I had sent this to Digium Sales and cant get a response from them, I
don't. know what that means......
So I thought I would ask it hear since i know others have struggled with
this.

"I an considering using *your High Density T*1 cards on a number of
servers we are considering purchasing. The vendor lists that his system has:

PCI Express*: two x8 slots*, t*wo x8 low profile slots*; *PCI-X:
64-bit/100MHz*

Could you please clarify *WHICH* of the above listed *PCI slots* are
suitable for use with your *High Density T1 cards*. If there is *more
than one combination that is possible*, could you please indicate *WHICH
*which high density T1 cards will work in *WHICH* type of PCI slot."

Thanks for any guidance and help since DIGIUM sales seems to be too busy
to advise a potential customer


You never qualify "High Density".

Maybe Digium thought you might get tired of waiting and find your own
answer http://en.wikipedia.org/wiki/Peripheral_Component_Interconnect

Besides that, look here http://store.digium.com/products.php?category_id=2

You should be able to figure it out on your own with a little thought.

Thanks,
Steve Totaro
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jsmith at digium.com
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PostPosted: Thu Mar 27, 2008 7:56 am    Post subject: [asterisk-users] Question about PCI Slots for DIGIUMs Boards Reply with quote

On Thu, 2008-03-27 at 06:48 -0400, Al Baker wrote:
Quote:
"I an considering using *your High Density T*1 cards on a number of
servers we are considering purchasing.

Two-port T1 cards? Four-port T1 cards?

Quote:
Could you please clarify *WHICH* of the above listed *PCI slots* are
suitable for use with your *High Density T1 cards*. If there is *more
than one combination that is possible*, could you please indicate *WHICH
*which high density T1 cards will work in *WHICH* type of PCI slot."

PCI or PCI-X 3.3 Volt Slots
---------------------------
TE412P (Quad span T1/E1/J1/PRI with DSP-based Echo Cancellation)
TE212P (Dual span T1/E1/J1/PRI with DSP-based Echo Cancellation)

PCI 5.0 Volt Slots
---------------------------
TE407P (Quad span T1/E1/J1/PRI with DSP-based Echo Cancellation)
TE207P (Dual span T1/E1/J1/PRI with DSP-based Echo Cancellation)

PCI-E (PCI Express) slots
-------------------------
TE420B (Quad Span T1/E1/J1/PRI with DSP-based Echo Cancellation)
TE220B (Dual span T1/E1/J1/PRI with DSP-based Echo Cancellation)

There are also a variety of models available without the echo
cancellation modules onboard, but personally I recommend purchasing the
echo cancellation modules in most situations.

--
Jared Smith
Community Relations Manager
Digium, Inc.
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g.stewart at horwits.c...
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PostPosted: Thu Mar 27, 2008 10:24 am    Post subject: [asterisk-users] Question about PCI Slots for DIGIUMs Boards Reply with quote

On Thu, 27 Mar 2008 06:48:58 -0400, Al Baker <bwentdg at pipeline.com> wrote:

Quote:
"I an considering using *your High Density T*1 cards on a number of
servers we are considering purchasing. The vendor lists that his system
has:

PCI Express*: two x8 slots*, t*wo x8 low profile slots*; *PCI-X:
64-bit/100MHz*

Could you please clarify *WHICH* of the above listed *PCI slots* are
suitable for use with your *High Density T1 cards*.

None of the above listed are PCI slots.

PCI != PCI Express

--
Godwin Stewart - Horwich IT services
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bwentdg at pipeline.com
Guest





PostPosted: Thu Mar 27, 2008 11:16 am    Post subject: [asterisk-users] Question about PCI Slots for DIGIUMs Boards Reply with quote

This will be 4 T1s to a card.So, just so I am not confused.
In my original e-mail I said "

"I an considering using *your High Density T*1 cards on a number of
servers we are considering purchasing. The VENDOR lists that his SYSTEM has:

PCI Express*: two x8 slots*, twoo x8 low profile slots*; *PCI-X:
64-bit/100MHz*
============================
And you list 3 possible PCI slots for your DIGIUM Quad T1 Cards

PCI or PCI-X 3.3 Volt Slots

PCI 5.0 Volt Slots

PCI-E (PCI Express) slots
==========================
Here is the Confusion - 1) Can ANY of your QUAD cards go in the "PCI Express - two x8 slots" - Yes or NO ?

2 Can ANY of your QUAD cards go in the "PCI Express - two x8 LOW Profile Slots" - Yes or No ?

3) Can your Quad cards you list as fitting a "PCI or PCI-X 3.3 Volt Slots" fit in the "PCI-X: 64-bit/100MHz" slot
OR would I have to ask the vendor "Is this PCI-X: 64-bit/100MHz" definitely a 3.3 Volt Slot ?
Yes - It would absolutely definitely fit OR NO - It will NOT fit OR To answer that I need more info ?????

THX for your help

Jared Smith wrote:
Quote:
On Thu, 2008-03-27 at 06:48 -0400, Al Baker wrote:

Quote:
"I an considering using *your High Density T*1 cards on a number of
servers we are considering purchasing.


Two-port T1 cards? Four-port T1 cards?


Quote:
Could you please clarify *WHICH* of the above listed *PCI slots* are
suitable for use with your *High Density T1 cards*. If there is *more
than one combination that is possible*, could you please indicate *WHICH
*which high density T1 cards will work in *WHICH* type of PCI slot."


PCI or PCI-X 3.3 Volt Slots
---------------------------
TE412P (Quad span T1/E1/J1/PRI with DSP-based Echo Cancellation)
TE212P (Dual span T1/E1/J1/PRI with DSP-based Echo Cancellation)

PCI 5.0 Volt Slots
---------------------------
TE407P (Quad span T1/E1/J1/PRI with DSP-based Echo Cancellation)
TE207P (Dual span T1/E1/J1/PRI with DSP-based Echo Cancellation)

PCI-E (PCI Express) slots
-------------------------
TE420B (Quad Span T1/E1/J1/PRI with DSP-based Echo Cancellation)
TE220B (Dual span T1/E1/J1/PRI with DSP-based Echo Cancellation)

There are also a variety of models available without the echo
cancellation modules onboard, but personally I recommend purchasing the
echo cancellation modules in most situations.

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bwentdg at pipeline.com
Guest





PostPosted: Thu Mar 27, 2008 11:22 am    Post subject: [asterisk-users] Question about PCI Slots for DIGIUMs Boards Reply with quote

No actually I gave it a LOT of thought and I and even asked two
different techs who repair PCs
and both said "what the to vendors are saying is not sufficiently clear
that I would
make a purchasing decision based on what you have in hand from them"
But, nice try at the cheap shot.

Steve Totaro wrote:
Quote:
On Thu, Mar 27, 2008 at 6:48 AM, Al Baker <bwentdg at pipeline.com> wrote:

Quote:
I had sent this to Digium Sales and cant get a response from them, I
don't. know what that means......
So I thought I would ask it hear since i know others have struggled with
this.

"I an considering using *your High Density T*1 cards on a number of
servers we are considering purchasing. The vendor lists that his system has:

PCI Express*: two x8 slots*, t*wo x8 low profile slots*; *PCI-X:
64-bit/100MHz*

Could you please clarify *WHICH* of the above listed *PCI slots* are
suitable for use with your *High Density T1 cards*. If there is *more
than one combination that is possible*, could you please indicate *WHICH
*which high density T1 cards will work in *WHICH* type of PCI slot."

Thanks for any guidance and help since DIGIUM sales seems to be too busy
to advise a potential customer



You never qualify "High Density".

Maybe Digium thought you might get tired of waiting and find your own
answer http://en.wikipedia.org/wiki/Peripheral_Component_Interconnect

Besides that, look here http://store.digium.com/products.php?category_id=2

You should be able to figure it out on your own with a little thought.

Thanks,
Steve Totaro

_______________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --

asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users


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PostPosted: Thu Mar 27, 2008 11:33 am    Post subject: [asterisk-users] Question about PCI Slots for DIGIUMs Boards Reply with quote

Quote:
-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Al Baker
Sent: Thursday, March 27, 2008 12:23 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Question about PCI Slots for
DIGIUMs Boards

No actually I gave it a LOT of thought and I and even asked two
different techs who repair PCs
and both said "what the to vendors are saying is not
sufficiently clear
that I would
make a purchasing decision based on what you have in hand from them"
But, nice try at the cheap shot.


The two techs you spoke with are obviously not familiar enough with the
technology at hand to be able to make that determination, because all of
the necessary information is contained within the original e-mail and
the specs available on Digium's website.

To simplify, however, here is the answer: The TE420 cards will fit in
the regular x8 (not low-profile) PCI-E slots, and the TE412P will fit
into the PCI-X slots.

Regards,
- Brad
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bwentdg at pipeline.com
Guest





PostPosted: Thu Mar 27, 2008 1:27 pm    Post subject: [asterisk-users] Question about PCI Slots for DIGIUMs Boards Reply with quote

Ok - that is even more confusing , since one of them looks like it MIGHT
be a PCI slot
in the list "PCI Express*: two x8 slots*, t*wo x8 low profile slots*;
*PCI-X: 64-bit/100MHz*

|

/ \

| |

| |

| |

So now I am really confused, because "Jared Smith -Community Relations
Manager,Digium, Inc." said in His Post

Quote "

*PCI or PCI-*X 3.3 Volt Slots
---------------------------
TE412P (Quad span T1/E1/J1/PRI with DSP-based Echo Cancellation)
TE212P (Dual span T1/E1/J1/PRI with DSP-based Echo Cancellation)

"
*So, what is the *_Real Answer_* here ?

Any and all help greatly appreciatted*


Horwich IT Services (Godwin Stewart) wrote:
Quote:
On Thu, 27 Mar 2008 06:48:58 -0400, Al Baker <bwentdg at pipeline.com> wrote:


Quote:
"I an considering using *your High Density T*1 cards on a number of
servers we are considering purchasing. The vendor lists that his system
has:

PCI Express*: two x8 slots*, t*wo x8 low profile slots*; *PCI-X:
64-bit/100MHz*

Could you please clarify *WHICH* of the above listed *PCI slots* are
suitable for use with your *High Density T1 cards*.


None of the above listed are PCI slots.

PCI != PCI Express

Back to top
jsmith at digium.com
Guest





PostPosted: Thu Mar 27, 2008 1:30 pm    Post subject: [asterisk-users] Question about PCI Slots for DIGIUMs Boards Reply with quote

On Thu, 2008-03-27 at 12:16 -0400, Al Baker wrote:
Quote:
==========================
Here is the Confusion - 1) Can ANY of your QUAD cards go in the "PCI Express - two x8 slots" - Yes or NO ?

Yes, the TE420B will fit. It's a 4-port T1/E1/J1/PRI card with echo
cancellation on-board. It only fits in PCI Express slots.

Quote:

2 Can ANY of your QUAD cards go in the "PCI Express - two x8 LOW Profile Slots" - Yes or No ?

No, none of our PCI Express cards are low-profile (as far as I know)

Quote:
3) Can your Quad cards you list as fitting a "PCI or PCI-X 3.3 Volt Slots" fit in the "PCI-X: 64-bit/100MHz" slot
OR would I have to ask the vendor "Is this PCI-X: 64-bit/100MHz" definitely a 3.3 Volt Slot ?
Yes - It would absolutely definitely fit OR NO - It will NOT fit OR To answer that I need more info ?????


You would need to ask your vendor whether or not the PCI-X slot is a 3.3
volt or a 5.0 volt slot. I'm guessing it's 3.3 volts, but that's just a
guess.

Here's a link to a decent article explaining the difference between PCI
and PCI Express slots, if you're interested.
http://www.geeks.com/techtips/2006/techtips-24sept06.htm

--
Jared Smith
Community Relations Manager
Digium, Inc.
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stotaro at totarotechn...
Guest





PostPosted: Thu Mar 27, 2008 2:04 pm    Post subject: [asterisk-users] Question about PCI Slots for DIGIUMs Boards Reply with quote

Are you looking to purchase a server or just looking for a card for an
existing server?

Either way, post the specs from the manufacturer (and also make sure
those slots are open)

You will get your answer pretty quickly, and much less painfully this way.

Thanks,
Steve Totaro

On Thu, Mar 27, 2008 at 2:30 PM, Jared Smith <jsmith at digium.com> wrote:
Quote:
On Thu, 2008-03-27 at 12:16 -0400, Al Baker wrote:
Quote:
==========================
Here is the Confusion - 1) Can ANY of your QUAD cards go in the "PCI Express - two x8 slots" - Yes or NO ?

Yes, the TE420B will fit. It's a 4-port T1/E1/J1/PRI card with echo
cancellation on-board. It only fits in PCI Express slots.


Quote:

2 Can ANY of your QUAD cards go in the "PCI Express - two x8 LOW Profile Slots" - Yes or No ?

No, none of our PCI Express cards are low-profile (as far as I know)


Quote:
3) Can your Quad cards you list as fitting a "PCI or PCI-X 3.3 Volt Slots" fit in the "PCI-X: 64-bit/100MHz" slot
OR would I have to ask the vendor "Is this PCI-X: 64-bit/100MHz" definitely a 3.3 Volt Slot ?
Yes - It would absolutely definitely fit OR NO - It will NOT fit OR To answer that I need more info ?????


You would need to ask your vendor whether or not the PCI-X slot is a 3.3
volt or a 5.0 volt slot. I'm guessing it's 3.3 volts, but that's just a
guess.

Here's a link to a decent article explaining the difference between PCI
and PCI Express slots, if you're interested.
http://www.geeks.com/techtips/2006/techtips-24sept06.htm


--
Jared Smith
Community Relations Manager
Digium, Inc.


_______________________________________________


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asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users
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bwentdg at pipeline.com
Guest





PostPosted: Sat Mar 29, 2008 1:06 am    Post subject: [asterisk-users] Question about PCI Slots for DIGIUMs Boards Reply with quote

Detailed specs for the "types" of PCI slots on the system were posted
each and every time I posted int the line

"I an considering using *your High Density T*1 cards on a number of
servers we are considering purchasing. The _VENDOR lists_ that his
_SYSTEM has:
_
_PCI Express_*: _two x8 slots*_, _two x8 low profile slots*_; *_PCI-X:
64-bit/100MHz_* "

I just do not know how to ask any more clearly, but as always I am open
to suggestions.

*_To Jared Smith - THANK YOU VERY MUCH !!!!
_*

Steve Totaro wrote:
Quote:
Are you looking to purchase a server or just looking for a card for an
existing server?

Either way, post the specs from the manufacturer (and also make sure
those slots are open)

You will get your answer pretty quickly, and much less painfully this way.

Thanks,
Steve Totaro

On Thu, Mar 27, 2008 at 2:30 PM, Jared Smith <jsmith at digium.com> wrote:

Quote:
On Thu, 2008-03-27 at 12:16 -0400, Al Baker wrote:
Quote:
==========================
Here is the Confusion - 1) Can ANY of your QUAD cards go in the "PCI Express - two x8 slots" - Yes or NO ?

Yes, the *TE420B *will fit. It's a 4-port T1/E1/J1/PRI card with echo
cancellation on-board. It only fits in PCI Express slots.


Quote:

2 Can ANY of your QUAD cards go in the "PCI Express - two x8 LOW Profile Slots" - Yes or No ?

No, none of our PCI Express cards are low-profile (as far as I know)


Quote:
3) Can your Quad cards you list as fitting a "PCI or PCI-X 3.3 Volt Slots" fit in the "PCI-X: 64-bit/100MHz" slot
OR would I have to ask the vendor "Is this PCI-X: 64-bit/100MHz" definitely a 3.3 Volt Slot ?
Yes - It would absolutely definitely fit OR NO - It will NOT fit OR To answer that I need more info ?????


*You would need to ask your vendor whether or not the PCI-X slot is a 3.3
volt or a 5.0 volt slot. I'm guessing it's 3.3 volts, but that's just a
guess.*

Here's a link to a decent article explaining the difference between PCI
and PCI Express slots, if you're interested.
http://www.geeks.com/techtips/2006/techtips-24sept06.htm


--
Jared Smith
Community Relations Manager
Digium, Inc.


_______________________________________________


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asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users



_______________________________________________
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bwentdg at pipeline.com
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PostPosted: Sat Mar 29, 2008 1:26 am    Post subject: [asterisk-users] Question about PCI Slots for DIGIUMs Boards Reply with quote

Thank you Brad .

Watkins, Bradley wrote:
Quote:


Quote:
-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Al Baker
Sent: Thursday, March 27, 2008 12:23 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Question about PCI Slots for
DIGIUMs Boards

No actually I gave it a LOT of thought and I and even asked two
different techs who repair PCs
and both said "what the to vendors are saying is not
sufficiently clear
that I would
make a purchasing decision based on what you have in hand from them"
But, nice try at the cheap shot.



The two techs you spoke with are obviously not familiar enough with the
technology at hand to be able to make that determination, because all of
the necessary information is contained within the original e-mail and
the specs available on Digium's website.

To simplify, however, here is the answer: The TE420 cards will fit in
the regular x8 (not low-profile) PCI-E slots, and the TE412P will fit
into the PCI-X slots.

Regards,
- Brad

_______________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --

asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users


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stotaro at totarotechn...
Guest





PostPosted: Sat Mar 29, 2008 4:41 am    Post subject: [asterisk-users] Question about PCI Slots for DIGIUMs Boards Reply with quote

If I am not mistaking, Digium has pictures of the various PCI slots on
their website.

Google images is very helpful if you know what you are at, just don't
know the name
http://images.google.com/images?hl=en&q=pci+slots&btnG=Search+Images&gbv=2

Another idea is to call your sales channel, I am sure one or two phone
calls will get you setup for the right card in a few minutes and much
quicker than all this back and forth posting.

Thanks,
Steve Totaro

On Sat, Mar 29, 2008 at 2:26 AM, Al Baker <bwentdg at pipeline.com> wrote:
Quote:
Thank you Brad .



Watkins, Bradley wrote:
Quote:


Quote:
-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Al Baker
Sent: Thursday, March 27, 2008 12:23 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Question about PCI Slots for
DIGIUMs Boards

No actually I gave it a LOT of thought and I and even asked two
different techs who repair PCs
and both said "what the to vendors are saying is not
sufficiently clear
that I would
make a purchasing decision based on what you have in hand from them"
But, nice try at the cheap shot.



The two techs you spoke with are obviously not familiar enough with the
technology at hand to be able to make that determination, because all of
the necessary information is contained within the original e-mail and
the specs available on Digium's website.

To simplify, however, here is the answer: The TE420 cards will fit in
the regular x8 (not low-profile) PCI-E slots, and the TE412P will fit
into the PCI-X slots.

Regards,
- Brad

_______________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --

asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users




_______________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --

asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users
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asterisk at eaglequest...
Guest





PostPosted: Sat Mar 29, 2008 10:05 pm    Post subject: [asterisk-users] Question about PCI Slots for DIGIUMs Boards Reply with quote

On Sat, 29 Mar 2008, Al Baker wrote:

Quote:
Detailed specs for the "types" of PCI slots on the system were posted
each and every time I posted int the line

Actually, your description wasn't 100% clear at all.

Quote:
_PCI Express_*: _two x8 slots*_, _two x8 low profile slots*_; *_PCI-X:
64-bit/100MHz_* "

1) This description seems to IMPLY that there are 5 slots total. Do you
know if this is in fact correct? It implies there are 2 PCI-E x8 slots, 2
PCI-E x8 low profile slots, and 1 PCI-X slot. I wouldn't rely on that
however without talking to the vendor.

2) The first "PCI Express:" heading would normally imply that the slots
listed afterwards are ALL PCI Express slots, however PCI-X is not PCI
Express, so the vendor's description is confusing and misleading.

3) All these damn *'s you keep inserting, are those all done by you, or
are some of them from the web page description? Most of the time when
something has a * by it that means it's conditional on a footnote that
appears at the bottom of the section or page. Are there footnotes we need
to know about to clarify this?

4) Is this a rackmount server or a tower case? If rackmount, is it a 1u
server or a 2u server or a 4u server? Just because the motherboard has 5
slots doesn't mean the case it is installed in will support 5 cards. A 1u
case rarely supports more than 1 or 2 cards, and always requires a riser
card. A 2u server rarely supports more than 2 cards unless they are
low-profile. A 4u server might allow 5 cards, IF the case is designed
with 5 slot openings in the back.

5) Are all the card slots open and available to you at time of shipping?
Many options a customer orders with a server, such as a RAID controller or
additional network ports will fill one or more of the available slots.
You need to be sure all the slots you need are available to you when you
get the server.

As for types of cards. As others have already said, PCI-X is not
PCI-Express and they are not interchangeable.

A PCI-Express card slot can accomodate any PCI-Express card with the same
number of lanes or less. So an x8 slot (8 lanes) will support an x1, x2,
x4, or x8 card, but not an x16 card. I believe the Digium PCI Express
cards are only x1 (one lane) so they should fit in any PCI Express slot,
but you should check with Digium's web site to be 100% sure the card you
are buying is a x1 card.

Unless you specifically buy a low-pofile card, a normal PCI or PCI Express
Card will NOT fit in a low-profile slot. So assuming Digium's cards are
full height, you only have 3 possible options. The 2 PCI Express full
height slots, and the 1 PCI-X slot, assuming all those slots are open and
will be available with the case you're using.

I would NOT base my purchasing decision on that vague description given by
the vendor that you have listed in your messages. I would contact the
vendor and clarify the total number of slots, types of slots, whether they
are open or not, and whether the case will support them all.

Many vendors will use a motherboard with 3-5 slots on the board, in a 1u
rackmount case that only supports 1 physical card.

One final word of warning... don't try to stick too many cards in one box
without double checking with someone who can tell you if it will handle
that capacity or not. There were a lot of problems with early Digium
4-port T1 cards where you couldn't use more than 1 or 2 cards at a time
because of the interrupts. The newer cards, especially PCI Express, may
not have that problem anymore... but I would double check before
proceeding with more than 2 cards in one box.

Can anyone out there clarify (for me as well) whether you can put, say, 4
or 5 4-port T1 cards in a single box now and have it work ok? Assuming
enough RAM and a fast enough CPU of course.

-- Nick
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bwentdg at pipeline.com
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PostPosted: Mon Mar 31, 2008 1:30 am    Post subject: [asterisk-users] Question about PCI Slots for DIGIUMs Boards Reply with quote

Thank you for all your time om your most detailed response.
It is extremely helpful.

The vendor's web page is
http://www.penguincomputing.com/index.php?option=com_content&id=170&Itemid=209&task=view&sysid=10007609
*PCI EXPANSION SLOTS*
Number of Slots 5
Slot Speed PCI Express: two x8 slots, two x8 low profile slots;
PCI-X: 64-bit/100MHz


or if that doesn't display

Quote:
*PCI EXPANSION SLOTS*
Number of Slots 5
Slot Speed PCI Express: two x8 slots, two x8 low profile slots;
PCI-X: 64-bit/100MHz


or
PCI EXPANSION SLOTS
Number of Slots 5
Slot Speed PCI Express: two x8 slots, two x8 low profile slots;
PCI-X: 64-bit/100MHz




Nick Seraphin wrote:
Quote:
On Sat, 29 Mar 2008, Al Baker wrote:


Quote:
Detailed specs for the "types" of PCI slots on the system were posted
each and every time I posted int the line


Actually, your description wasn't 100% clear at all.


Quote:
_PCI Express_*: _two x8 slots*_, _two x8 low profile slots*_; *_PCI-X:
64-bit/100MHz_* "


1) This description seems to IMPLY that there are 5 slots total. Do you
know if this is in fact correct? It implies there are 2 PCI-E x8 slots, 2
PCI-E x8 low profile slots, and 1 PCI-X slot. I wouldn't rely on that
however without talking to the vendor.

2) The first "PCI Express:" heading would normally imply that the slots
listed afterwards are ALL PCI Express slots, however PCI-X is not PCI
Express, so the vendor's description is confusing and misleading.

3) All these damn *'s you keep inserting, are those all done by you, or
are some of them from the web page description? Most of the time when
something has a * by it that means it's conditional on a footnote that
appears at the bottom of the section or page. Are there footnotes we need
to know about to clarify this?

4) Is this a rackmount server or a tower case? If rackmount, is it a 1u
server or a 2u server or a 4u server? Just because the motherboard has 5
slots doesn't mean the case it is installed in will support 5 cards. A 1u
case rarely supports more than 1 or 2 cards, and always requires a riser
card. A 2u server rarely supports more than 2 cards unless they are
low-profile. A 4u server might allow 5 cards, IF the case is designed
with 5 slot openings in the back.

5) Are all the card slots open and available to you at time of shipping?
Many options a customer orders with a server, such as a RAID controller or
additional network ports will fill one or more of the available slots.
You need to be sure all the slots you need are available to you when you
get the server.

As for types of cards. As others have already said, PCI-X is not
PCI-Express and they are not interchangeable.

A PCI-Express card slot can accomodate any PCI-Express card with the same
number of lanes or less. So an x8 slot (8 lanes) will support an x1, x2,
x4, or x8 card, but not an x16 card. I believe the Digium PCI Express
cards are only x1 (one lane) so they should fit in any PCI Express slot,
but you should check with Digium's web site to be 100% sure the card you
are buying is a x1 card.

Unless you specifically buy a low-pofile card, a normal PCI or PCI Express
Card will NOT fit in a low-profile slot. So assuming Digium's cards are
full height, you only have 3 possible options. The 2 PCI Express full
height slots, and the 1 PCI-X slot, assuming all those slots are open and
will be available with the case you're using.

I would NOT base my purchasing decision on that vague description given by
the vendor that you have listed in your messages. I would contact the
vendor and clarify the total number of slots, types of slots, whether they
are open or not, and whether the case will support them all.

Many vendors will use a motherboard with 3-5 slots on the board, in a 1u
rackmount case that only supports 1 physical card.

One final word of warning... don't try to stick too many cards in one box
without double checking with someone who can tell you if it will handle
that capacity or not. There were a lot of problems with early Digium
4-port T1 cards where you couldn't use more than 1 or 2 cards at a time
because of the interrupts. The newer cards, especially PCI Express, may
not have that problem anymore... but I would double check before
proceeding with more than 2 cards in one box.

Can anyone out there clarify (for me as well) whether you can put, say, 4
or 5 4-port T1 cards in a single box now and have it work ok? Assuming
enough RAM and a fast enough CPU of course.

-- Nick



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