pctechguide.com

  • Home
  • Guides
  • Tutorials
  • Articles
  • Reviews
  • Glossary
  • Contact

SIMMs

Memory chips are generally packaged into small plastic or ceramic dual inline packages (DIPs) which are themselves assembled into a memory module. The single inline memory module or SIMM is a small circuit board designed to accommodate surface-mount memory chips. SIMMs use less board space and are more compact than previous memory-mounting hardware.

Memory modules evolved from the need of saving motherboard space and effortless memory expansion. Instead of plugging in 8 or 9 single DRAM DIP chips, only one additional memory module was needed to increase the memory of the computer. The SIMM was the successor of SIPP memory (Single In-line Pin Package), which was used in 80286 systems. SIPP’s 30 pins often bent or broke during installation, leading to a SIMM’s contact plate design.

By the early 1990s the original 30-pin SIMM had been superseded by the 72-pin variety. These supported 32-bit data paths, and were originally used with 32-bit CPUs.

SIMM

A typical motherboard of the time offered four SIMM sockets capable of taking either single-sided or double-sided SIMMs with module sizes of 4, 8, 16, 32 or even 64MB. With the introduction of the Pentium processor in 1993, the width of the data bus was increased to 64-bits. When 32-bit SIMMs were used with these processors, they had to be installed in pairs, with each pair of modules making up a memory bank. The CPU communicated with the bank of memory as one logical unit.

  • What is Level 1 (L1) Cache Memory?
  • What is L2 (Level 2) cache memory?
  • RAM or Main Memory – PC / computer memory (DIMM, DRAM, SDRAM)
  • DRAM – Dynamic Random Access Memory
  • FPM DRAM
  • EDO (Extended Data Out) and BEDO (Burst Extended Data Out) DRAM
  • SDRAM
  • PC133 SDRAM
  • DDR SDRAM explained
  • DDR2 DRAM
  • Dual Channel DDR Memory
  • 1T SRAM
  • Direct DRAM
  • SIMMs
  • DIMM Memory
  • RIMMs Memory
  • Memory Presence Detection
  • Parity Memory
  • ECC Memory
  • Memory Upgrades
  • The Evolution of Memory
  • Flash Memory
  • Magnetic RAM

Filed Under: Computer Memory

Latest Articles

i945 Chipset

Since the current chipsets didn't recognise more than one CPU, Intel had no choice but to release new chipsets at the same time as its dual-core Pentium D and Extreme Edition processors. Formerly codenamed Lakeport, the mainstream 945 … [Read More...]

Slow Computer

5 Tips to Cure PC Slowness

Today's PCs are designed to be fast and agile. No one wants a computer that takes ages to boot up and even longer to load web pages. This isn't the 90s anymore where slow computers were more common. But, sometimes a computer can get gummed up and may need a little TLC to get it back to its old self. … [Read More...]

What is the Find Fast Indexer?

The Find Fast Indexer is a utility that builds indexes to speed finding Microsoft Office-suite documents when you've forgotten their filenames, but know certain text strings they contain. It is installed on your computer when you install Microsoft Office 97, a shortcut called Microsoft Find … [Read More...]

Streamline Startup Operations with Virtual Data Rooms

Modern startup projects that we see in the business cluster today are more than just a brilliant idea of a potentially successful project at the … [Read More...]

The Importance of Data Security in Retail IoT

The Internet of Things (IoT) is transforming the retail industry by connecting physical stores with digital platforms, enabling smart inventory … [Read More...]

Review of Temu From Purchaser and Affiliate

Temu is a relatively new online shopping platform that has quickly gained popularity, especially among Gen Z shoppers. It is known for its ultra-cheap … [Read More...]

Avoid Data Breaches Caused by Weak Passwords

Weak passwords are a common cause of data breaches and security vulnerabilities. Weak passwords make it easier for cybercriminals to gain unauthorized … [Read More...]

20 Cool Pictures of Silicon Valley You’re Sure to Love

Silicon Valley, a name synonymous with innovation and technological prowess, is a place where dreams and ideas come to life. Nestled in the heart of … [Read More...]

13 Funky Images of Laptops

In our digital age, laptops have become our faithful companions, indispensable tools for work, leisure, and everything in between. They've evolved … [Read More...]

Guides

  • Computer Communications
  • Mobile Computing
  • PC Components
  • PC Data Storage
  • PC Input-Output
  • PC Multimedia
  • Processors (CPUs)

Recent Posts

Graphics Card Driver Un-Installation

It's important to uninstall your existing drivers so as to avoid any potential conflict with those for your new card. If the drivers in question … [Read More...]

i875P Chipset

Originally, Intel had planned to introduce a 800MHz FSB in the context of the Prescott, the upcoming 90nm Pentium 4 … [Read More...]

Online Gambling Niche — State, Trends, Prospects

In 2021, people continue to stay at home, relaxing with various gadgets, and this is a great opportunity for affiliates to extend their gambling … [Read More...]

[footer_backtotop]

Copyright © 2023 About | Privacy | Contact Information | Wrtie For Us | Disclaimer | Copyright License | Authors