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To: Johnny Canuck who wrote (35480)12/9/2001 11:34:38 AM
From: j g cordes  Respond to of 68474
 
A Nifty solution to memory bandwidth..

"------------------------------------------------------------------------
Kentron unveils Quad Band Memory modules
By Tony Smith
Posted: 07/12/2001 at 15:55 GMT

Kentron turned its double double-data-rate memory technology into a product yesterday with the launch of a line of what it calls Quad Band Memory modules.

QBM essentially takes two regular DDR units, connects them over what Kentron calls an E Bus and synchronises them in such a way that it effectively doubles the memory bandwidth to 4.2GBps. The first chip is synchronised with the host processor's clock - the second is a quarter of a cycle behind it. A field-effect transistor switch takes the data from both chips and sends it out onto the bus as if they were a single unit.

By using DDR memory, QBM will be cheaper and easier to implement than upcoming next-generation memory standards, such as DDR 2. QBM is also geared for today's PCs and their 64-bit, 100/133MHz system buses.

And QBM supports the installation of up to eight modules. DDR 2 is specced to support only two.

Kentron announced two lines of QBM module: the first operates at a 400MHz data rate for a 3.2GBps bandwidth, and the second at 533MHz for 4.2GBps. Both data rates, you'll note, match Intel's Pentium 4 frontside bus speeds, currently running at 400MHz but due to be accelerated to 533MHz next April. Coincidence? We think not. The modules are scheduled to ship sometime during Q1 2002.

Beyond that, Kentron has plans to offer 667MHz modules, for a 5.4GBps bandwidth, round about the time faster DDR333 modules come through in volume. That should happen sometime in 2003 - the following year, Kentron plans to offer 6.4GBps/800MHz modules based on DDR 2 memory. ®



To: Johnny Canuck who wrote (35480)12/9/2001 10:13:02 PM
From: Johnny Canuck  Read Replies (1) | Respond to of 68474
 
Percentage Change Sort

Symbol Price Change Volume Bid/Ask Day Range
ADCT 5.42 -0.14 (-2.52%) 14,555,800 5.42 - 5.44 5.30 - 5.97
ADTN 28.10 -0.10 (-0.35%) 164,900 27.70 - 28.73 27.60 - 28.60
AFCI 20.85 -0.86 (-3.96%) 869,100 20.00 - 20.75 20.25 - 21.70
ALA 19.44 -0.45 (-2.26%) 1,075,300 19.25 - 20.00
AMAT 44.45 -1.03 (-2.26%) 16,627,900 44.50 - 44.58 43.51 - 45.95
AMCC 13.52 -1.17 (-7.96%) 14,616,500 13.54 - 13.55 13.00 - 14.34
ANAD 18.34 0.03 (+0.14%) 862,100 18.40 - 18.63 18.00 - 19.08
ANDW 22.70 -1.12 (-4.70%) 618,200 23.90 - 24.28 22.65 - 23.71
ANN 30.91 -1.05 (-3.29%) 1,572,300 30.87 - 32.19
AOL 32.98 -1.77 (-5.09%) 28,655,400 32.55 - 34.01
APAT 2.69 0.03 (+1.13%) 11,800 2.64 - 2.69 2.62 - 2.70
ASYS 7.84 -0.11 (-1.38%) 45,000 7.18 - 7.99 7.50 - 8.19
AVCI 2.97 -0.19 (-6.01%) 1,986,000 2.97 - 2.98 2.91 - 3.17
AVNX 7.64 -0.05 (-0.65%) 453,200 7.55 - 8.10 7.50 - 7.88
AXP 34.70 -0.46 (-1.31%) 3,221,000 34.16 - 35.20
BKB 43.38 0.00 (+0.00%) 100 41.44 - 44.12
BKHM 2.48 -0.02 (-0.80%) 86,700 2.00 - 2.69 2.40 - 2.55
BRCD 38.10 -0.56 (-1.45%) 16,238,200 38.18 - 38.23 37.52 - 38.78
BRCM 45.56 -2.72 (-5.63%) 14,300,000 45.30 - 45.37 44.90 - 47.94
CIEN 18.58 -0.98 (-5.01%) 15,863,000 18.57 - 18.59 18.45 - 19.45
CMGI 1.97 -0.07 (-3.43%) 3,650,500 2.02 - 2.03 1.95 - 2.08
CMTN 1.80 -0.05 (-2.70%) 330,600 1.71 - 1.84 1.75 - 1.87
CNXT 17.05 -0.43 (-2.46%) 6,715,600 17.12 - 17.10 16.43 - 17.50
COVD 0.81 -0.02 (-2.41%) 761,700 0.80 - 0.81 0.78 - 0.84
CPWR 12.84 0.13 (+1.02%) 4,460,700 12.65 - 12.82 12.23 - 12.87
CSCO 21.16 -0.63 (-2.89%) 54,959,300 21.20 - 21.24 20.98 - 21.92
CYMI 25.86 -0.89 (-3.33%) 521,500 24.30 - 29.64 24.88 - 26.43
DIS 22.35 -0.19 (-0.84%) 8,432,300 22.19 - 22.90
DITC 5.30 -0.09 (-1.67%) 1,098,900 4.50 - 5.75 5.11 - 5.46
EMKR 15.41 -1.10 (-6.67%) 767,000 15.30 - 19.50 15.15 - 16.31
ESST H 21.51 -0.42 (-1.92%) 541,200 20.72 - 21.50 21.41 - 22.45
EXDS 0.17 0.00 (+0.00%) 0.18 - 0.17
EXTR 16.56 -0.44 (-2.59%) 9,238,300 16.55 - 16.60 15.94 - 16.90
FDRY 10.62 -0.35 (-3.19%) 2,365,500 10.57 - 10.74 10.40 - 10.89
FDX 48.32 -1.12 (-2.27%) 1,843,100 47.74 - 49.29
FFIV 25.45 0.35 (+1.39%) 596,000 25.31 - 26.32 24.47 - 25.59
GE 37.15 -0.60 (-1.59%) 16,374,400 37.05 - 37.76
GLM 14.98 -0.24 (-1.58%) 2,108,300 14.60 - 15.24
GLW 9.71 -0.53 (-5.18%) 8,747,500 272.23 - 272.70 9.50 - 10.25
GNSS 59.65 -0.77 (-1.27%) 2,255,400 59.65 - 60.50 58.06 - 62.83
GPS 13.82 -0.38 (-2.68%) 7,560,200 13.70 - 14.10
HIFN 18.63 -0.15 (-0.80%) 73,200 18.64 - 28.00 18.61 - 19.30
INKT 6.50 -0.11 (-1.66%) 9,612,500 6.59 - 6.63 6.35 - 7.25
INTC 33.24 -0.92 (-2.69%) 59,282,900 33.28 - 33.30 32.75 - 34.50
IOM 7.05 0.26 (+3.83%) 180,900 6.60 - 7.05
ITWO 6.79 -0.11 (-1.59%) 11,942,100 6.87 - 6.90 6.55 - 7.00
JBL 29.68 -0.88 (-2.88%) 1,115,000 29.56 - 30.49
JDSU 10.53 -0.60 (-5.39%) 39,530,600 10.50 - 10.51 10.15 - 11.05
JNJ 56.65 0.98 (+1.76%) 10,532,600 53.00 - 56.83
JNPR 25.57 -1.34 (-4.98%) 19,387,700 25.45 - 25.48 25.40 - 26.82
KOPN 18.03 -0.38 (-2.06%) 1,167,000 18.05 - 18.25 18.01 - 19.00
LU 8.09 -0.31 (-3.69%) 17,787,200 8.06 - 8.42
MCDT 28.10 -0.75 (-2.60%) 1,352,700 27.70 - 28.00 27.30 - 28.69
MER 53.09 -0.89 (-1.65%) 4,454,800 37.47 - 37.80 52.60 - 53.58
MERQ 34.11 -0.89 (-2.54%) 2,867,100 34.55 - 35.05 33.63 - 35.07
MONI 1.24 0.02 (+1.64%) 2,004,100 1.20 - 1.23 1.21 - 1.29
MOT 16.84 -0.46 (-2.66%) 14,372,900 16.41 - 17.26
MRVC 5.19 0.08 (+1.57%) 550,800 5.11 - 5.23 5.10 - 5.30
MRVL 36.96 -1.50 (-3.90%) 4,340,000 36.35 - 37.01 36.30 - 38.75
MSFT 67.83 -0.82 (-1.19%) 21,166,200 67.82 - 67.92 66.55 - 68.84
MTZ 5.47 -0.02 (-0.36%) 351,500 5.40 - 5.70
MWD 55.66 -1.39 (-2.44%) 4,403,700 55.00 - 56.86
NE 31.09 0.56 (+1.83%) 1,763,700 29.57 - 31.25
NEWP 19.16 -0.82 (-4.10%) 798,200 18.44 - 19.21 18.78 - 20.29
NT 8.84 -0.15 (-1.67%) 13,427,400 8.75 - 9.01
NUFO 4.66 0.06 (+1.30%) 974,200 4.60 - 4.80 4.50 - 4.75
NVLS 43.85 -0.95 (-2.12%) 5,459,400 44.00 - 44.19 43.06 - 45.56
ONIS 8.30 -0.02 (-0.24%) 4,418,600 8.26 - 8.27 8.05 - 9.00
OPWV 11.10 -0.25 (-2.20%) 3,894,600 11.05 - 11.10 10.78 - 11.58
PHTN 43.47 0.31 (+0.72%) 263,900 38.57 - 44.20 42.20 - 43.78
PMCS 27.36 -1.88 (-6.43%) 11,933,500 27.70 - 27.73 26.63 - 28.70
PSFT 38.55 -2.45 (-5.98%) 8,170,900 38.55 - 38.59 38.05 - 40.70
Q 11.77 -0.15 (-1.26%) 13,702,000 27.71 - 0.67 11.52 - 11.99
QCOM 56.97 -3.07 (-5.11%) 16,732,600 57.10 - 57.24 56.47 - 59.80
RFMD 24.38 -1.65 (-6.34%) 7,146,500 24.37 - 24.43 24.00 - 25.90
RIG 31.24 1.04 (+3.44%) 4,742,100 29.32 - 31.48
RMBS 9.38 0.21 (+2.29%) 2,541,400 9.29 - 9.41 9.05 - 9.85
RNWK 6.80 -0.15 (-2.16%) 1,121,600 6.78 - 6.82 6.65 - 6.99
RSTN 18.15 0.42 (+2.37%) 1,350,800 18.19 - 18.60 17.22 - 18.22
SCH 15.62 -0.22 (-1.39%) 4,476,600 15.54 - 16.12
SCMR 5.56 0.12 (+2.21%) 2,065,600 5.52 - 5.60 5.35 - 5.65
SDC 22.72 -0.37 (-1.60%) 841,000 22.08 - 23.00
SEBL 24.02 -1.25 (-4.95%) 14,252,900 24.08 - 24.10 23.62 - 25.18
SHOO 12.75 0.45 (+3.66%) 194,100 12.59 - 12.75 12.17 - 12.75
SONS 6.98 0.80 (+12.94%) 39,408,500 6.98 - 7.00 6.65 - 8.37
SUNW 13.39 -0.76 (-5.37%) 72,863,600 13.41 - 13.42 13.20 - 13.94
SVGI 34.76 0.00 (+0.00%) 34.51 - 34.85
TDW 30.37 0.70 (+2.36%) 952,200 28.85 - 30.37
TELM 7.98 -0.57 (-6.67%) 5,923,500 7.95 - 8.05 7.50 - 8.25
TER 31.63 -0.92 (-2.83%) 2,409,600 31.41 - 32.90
TLAB 16.24 -0.89 (-5.20%) 4,841,500 16.25 - 16.48 16.12 - 17.10
TQNT 17.00 0.05 (+0.29%) 4,165,800 17.00 - 17.14 16.59 - 17.49
TXCC 6.34 1.63 (+34.61%) 15,429,200 6.32 - 6.37 4.50 - 6.38
UTEK 16.57 0.30 (+1.84%) 269,400 15.70 - 16.54 15.73 - 16.57
VERT 1.55 -0.09 (-5.49%) 294,400 1.51 - 1.64 1.55 - 1.71
VRSN 42.33 -0.60 (-1.40%) 6,815,700 42.31 - 42.48 41.40 - 42.90
VTSS 14.82 -0.02 (-0.13%) 9,296,700 14.90 - 14.95 14.18 - 15.09
WCG 2.39 0.12 (+5.29%) 2,563,800 2.28 - 2.45
WIND 18.30 -0.22 (-1.19%) 845,200 17.49 - 18.30 17.90 - 18.50
YHOO 17.67 -1.35 (-7.10%) 16,286,100 17.68 - 17.70 17.47 - 18.23