From: kck@mailbox.esd.sgi.com (Ken Klingman)
To: offer@morgaine.engr.sgi.com (Richard Offer)
Cc: linux@cthulhu.engr.sgi.com
Subject: Re: [Fwd: linus.linux.sgi.com]
Date: Tue, 19 Jan 1999 18:36:03 -0800 (PST) [thread overview]
Message-ID: <199901200236.SAA12779@mailbox.esd.sgi.com> (raw)
In-Reply-To: <9901191828.ZM20761@morgaine.engr.sgi.com> from "Richard Offer" at Jan 19, 99 06:28:50 pm
The VW 320 and 540 use 288-bit wide synchronous DRAM, clocked
at 100MHz. 288 bits means it's not your everyday PC SDRAM.
That's 256 bits for data and 32 for ECC. 256bits = 32 bytes
at 100MHz = 3.2GB/sec theoretically possible between the
memory system and Cobalt, the memory controller/graphics
ASIC.
Ken
WARNING: multiple messages have this Message-ID (diff)
From: kck@mailbox.esd.sgi.com (Ken Klingman)
To: Richard Offer <offer@morgaine.engr.sgi.com>
Cc: linux@cthulhu.engr.sgi.com
Subject: Re: [Fwd: linus.linux.sgi.com]
Date: Tue, 19 Jan 1999 18:36:03 -0800 (PST) [thread overview]
Message-ID: <199901200236.SAA12779@mailbox.esd.sgi.com> (raw)
Message-ID: <19990120023603.W_-f39VIDah__rCVXU61us9W4ewA-potGiLf87fel0U@z> (raw)
In-Reply-To: <9901191828.ZM20761@morgaine.engr.sgi.com> from "Richard Offer" at Jan 19, 99 06:28:50 pm
The VW 320 and 540 use 288-bit wide synchronous DRAM, clocked
at 100MHz. 288 bits means it's not your everyday PC SDRAM.
That's 256 bits for data and 32 for ECC. 256bits = 32 bytes
at 100MHz = 3.2GB/sec theoretically possible between the
memory system and Cobalt, the memory controller/graphics
ASIC.
Ken
next prev parent reply other threads:[~1999-01-20 2:36 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-01-19 23:28 [Fwd: linus.linux.sgi.com] dmanddmer
1999-01-19 23:28 ` dmanddmer
1999-01-20 1:29 ` Chad Carlin
1999-01-20 1:29 ` Chad Carlin
1999-01-20 2:04 ` job bogan
[not found] ` <job@piquin.uchicago.edu>
1999-01-20 2:28 ` Richard Offer
1999-01-20 2:36 ` Ken Klingman [this message]
1999-01-20 2:36 ` Ken Klingman
1999-01-20 21:18 ` David Watters
1999-01-20 21:18 ` David Watters
1999-01-20 3:01 ` job bogan
1999-01-20 3:01 ` job bogan
1999-01-20 21:29 ` David Watters
1999-01-20 21:29 ` David Watters
1999-01-20 3:08 ` Greg Chesson
1999-01-20 3:08 ` Greg Chesson
1999-01-20 3:32 ` Chad Carlin
1999-01-20 16:02 ` Eric Kimminau
1999-01-20 15:18 ` Eric Kimminau
1999-01-20 21:55 ` David Watters
1999-01-21 7:11 ` David S. Miller
1999-01-22 19:14 ` Jeffrey Watts
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