MEMORY TECHNOLOGIES
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| ___________RAM is called that because it holds its data as long as the RAM has power. | show 🗑
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| when the power is turned off, both SRAM and DRAM lose all their data, and are therefore called | show 🗑
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| ________ RAM loses its data rapidly, and the memory controller must refresh it several thousand times a second | show 🗑
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| show | the width of the data path that each type of module accommodates and the way data moves from the system bus to the module
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| show | DDR3
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| show | DDR2
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| 184-pin _____________ DIMM can support dual channels or be installed as a single DIMM. Has one offset notch and runs twice as fast as regular SDRAM. | show 🗑
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| show | SDRAM
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| show | RIMM or Direct Rambus DRAM (sometimes called RDRAM or Direct RDRAM or simply Rambus
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| ________must be installed two modules to a bank of memory. | show 🗑
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| show | 30-pin SIMM
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| SDRAM, DDR, DDR2, DDR3,(DIMMs) use a | show 🗑
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| A DIMM can have memory chips installed on one side of the module or both sides of the module called | show 🗑
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| show | memory bank
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| show | addresses one group and then addresses another
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| Double-sided DIMMs that provide two 64-bit banks are said to be | show 🗑
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| show | 64-bit bank
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| show | dual ranked refers to how the memory on the DIMM is addressed
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| SINGLE, DUAL, AND TRIPLE CHANNELS have to do with how many _________the memory controller can address at a time | show 🗑
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| When setting up dual channeling, know that the pair of DIMMs in a channel must be equally matched | show 🗑
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| show | MHz (such as 800 MHz) or PC rating (such as PC6400).
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| show | PC rating
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| The data path width for DIMMs is normally 64 bits, but with ECC, the data path is | show 🗑
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| show | 9 bits (8 bits for data and 1 bit for parity)
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| A parity error always causes the system to halt. On the screen, you see the error message “Parity Error 1” or “Parity Error 2” or a similar error message about parity. | show 🗑
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| show | Buffers and registers
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| show | fully buffered DIMM (FB-DIMM)
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| Two other memory features are CAS Latency and RAS Latency. Both features refer to the number of clock cycles it takes to write or read a column or row of data off a memory module. | show 🗑
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| RIMMs that use a 32-bit data bus have a single notch and 232 pins. can support | show 🗑
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| show | 72-pin SIMMs and 30-pin SIMMs. SIMMs are rated by speed, measured in nanoseconds (ns).
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| show | matching pairs.
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| show | four matching modules per bank to accommodate a 64-bit address bus to the processor
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| Technologies used by SIMMs that must match up with what that old motherboard supports: | show 🗑
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| show | Serial Presence Detect (SPD) .If the DIMM does not support SPD, the system might not boot or boot with errors. Today’s memory always supports SPD.
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| show | General Protection Fault (GPF) errors
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| When upgrading memory, use the type, size, and speed the motherboard supports and match new modules to those already installed. Features to match include buffered, registered, unbuffered, single-sided, double-sided, CL rating, | show 🗑
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| When troubleshooting Windows memory errors, know the problems might be caused by a | show 🗑
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