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A+ Memory Tables
N/A
21
Computer Science
Undergraduate 1
04/04/2012

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Cards

Term
ATX
Definition
12.0" x 9.6"
Term
Mini-ATX
Definition
11.2" x 8.2"
Term
microATX
Definition
9.6" x 9.6"
Term
FlexATX
Definition
9.0" x 7.5"
Term
PCI
Definition
133MBps
Video, network, SCSI, sound
Term
AGP x1
Definition
266MBps
Video
Term
PCIe x1 (v2.0)
Definition
500MBps
Network, I/O
Term
DRAM
Definition
30 or 72 pins
33 or 66 MHz
Obsolete
Term
SDRAM
Definition
168 pins
PC133 = 133 MHz
Rare
Term
DDR SDRAM
Definition
184 pins
PC3200 = 400 MHZ = 3200 MBps
x2 transfer/clock cycle of SDRAM
Term
DDR2 SDRAM
Definition
240 pins
DDR2-800 (PC2-6400) = 800 MHz = 6400 MBps
x2 data bus speed of DDR SDRAM
Term
DDR3 SDRAM
Definition
240 pins
DDR3-1333 (PC3-10600) = 1333 MHz = 10600 MBps
x4 data bus speed of DDR SDRAM
Term
Rambus (RDRAM)
Definition
184 or 232
PC800 = 1600 MBps
Not used in new computers
Term
SCSI Fast
Definition
10MBps
7 devices
8-bit data bus
SE signal
Term
SCSI Fast-Wide
Definition
10MBps
15 devices
16-bit data bus
SE signal
Term
SCSI Ultra
Definition
20MBps
7 devices
8-bit data bus
SE signal
Term
SCSI Ultra-Wide
Definition
20MBps
15 devices
16-bit data bus
SE signal
Term
SCSI Ultra2
Definition
40MBps
7 devices
8-bit data bus
LVD signal
Term
SCSI Ultra2-Wide
Definition
80MBps
15 devices
16-bit data bus
LVD signal
Term
SCSI Ultra 160
Definition
160MBps
15 devices
16-bit data bus
LVD signal
Term
SCSI Ultra 360
Definition
320MBps
15 devices
16-bit data bus
LVD signal
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