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To: Brian1970 who wrote (29071)9/9/1999 2:09:00 PM
From: Brian1970  Respond to of 93625
 
Thursday September 9, 12:12 pm Eastern Time

Company Press Release

Viking 128 MB Rambus RIMMs Pass Validation Tests

RANCHO SANTA MARGARITA, Calif.--(BUSINESS WIRE)--Sept. 9, 1999-- Viking Components, one of the world's largest and
fastest-growing manufacturers of component technology, has received validation for its 128 MB Direct Rambus(TM) RIMM(TM)
Module from the Rambus® Validation Program.

The Validation Tests ensure components and modules fully comply with all Rambus specifications to guarantee compatibility across suppliers.

''Viking is committed to bring to market this next-generation technology which will enable the DRAM industry's highest level of performance to date,'' said Shannon
Biggs, executive vice president manufacturing and engineering, Viking Components. ''We are working with Rambus' validation procedures to ensure full compliance with
Rambus specifications and the production of only the highest quality modules.''

''The addition of Viking to the list of validated component suppliers is key as PC OEMs prepare for and begin production of Rambus PCs,'' said Dave Mooring, vice
president and general manager, Personal Computer Divison, Rambus Inc. ''Viking's close attention to quality and their ability to ramp quickly will further assist in the
efforts to meet the high demand for components for the Rambus launch.''

Building on Intel's industry experience with PC100 SDRAM memory components, the Direct Rambus Validation Program verifies that components comply with standard
specifications. Initially, Rambus will direct the verification process while enabling independent test houses to support the procedures. In the long term, it is expected that
suppliers will be able to self-validate their components.

About Rambus

Rambus Inc. (NASDAQ:RMBS - news), based in Mountain View, Calif., develops and licenses high-speed chip-to-chip interface technology that enables semiconductor
memory devices to keep pace with faster generations of processors and controllers. Providers of Rambus-based integrated circuits include the world's leading DRAM,
ASIC and PC controller manufacturers. Currently, eight of the world's top 10 semiconductor companies license Rambus technology. More information on Rambus Inc.
and its high-bandwidth interface technology is available at rambus.com.

About Viking Components

Viking Components Inc. is best known for its leadership position in the computer memory, flash and communication product marketplaces. Viking offers more than 2,500
products to leading OEM, VAR and retail businesses and markets its products through a broad network of worldwide distributors and reseller chains. Viking has ISO
registered facilities in its Rancho Santa Margarita headquarters (ISO 9001) and its Dublin, Ireland facility (ISO 9002). For more information about Viking Components,
call 800/338-2361, or visit the Viking Web site at www.vikingcomponents.com.

Note to Editors: Rambus is a registered trademark of Rambus Inc. Direct Rambus and RIMM are trademarks of Rambus Inc.



To: Brian1970 who wrote (29071)9/9/1999 4:39:00 PM
From: grok  Respond to of 93625
 
Latency means how long do you have to wait to get one. (Bandwidth means how many can you keep coming continuously.)

In a dram there are two types of latencies: CAS and RAS. CAS is shorter than RAS but you can only use it if you've already asked for something nearby. CAS stands for Column Access Strobe and RAS stands for Row Access Strobe.

CAS Latency = 2 is also called CL2 and means that data is provided in 2 cycles. CL3 means 3 cycles. Thus, CL2 is faster than CL3. The speed of an sdram is determined by two things: frequency and latency. Everyone understands frequency because it is provided in the name, eg, PC133 means 133 MHz which means 133 million cycles per second. (One cycle would be 1/133 million which is 7.5 nS which is 7.5 billionths of a second.)

Everyone talks about PC100 vs PC133 but few people talk about CAS Latency. It kind of gets lost in the fine print. The fastest sdram today is PC133 with CL2. The slowest in large production today is PC100 with CL2. There are also PC133 with CL3 in production today and this is what the Samsung Whitepaper uses.

Rambus Direct Rdrams also come in different frequencies and latencies. The Whitepaper is based on the fastest Rdram in both frequency and latency while it uses the fastest sdram frequency but not the fastest sdram latency. So it is bogus.

How's that?????????????