SRAM, or Static Random Access Memory, is generally used for speed-critical areas of the computer such as cache memory or hard disk buffers and as part of the digital-to-analog converter on a video card. Static RAM costs more and takes more space than the main working memory DRAM (Dynamic Random Access Memory). Still, SRAM products access data faster and don't require power-refresh.

Used for internal components, SRAM modules are not easily upgraded without a computer technician. Older PCs use asynchronous SRAM and data is read and written one byte at a time. Upgrade to new synchronous SRAM chips for overlapping reads and writes and increased clock-to-data times while still maintaining burst timing. Refer to the burst timings supported by a motherboard’s chip before installing upgrades.

Consider the following options as you decide to offer SRAM upgrade services:

1. Review your customer needs with a diagnostic tool before an SRAM upgrade.

2. Buy an SRAM upgrade from a vendor with technical support services.

3. Partner with an SRAM memory products distributor.

Action Steps
The best contacts and resources to help you get it done

Use a diagnostic tool to check SRAM memory components

Use a diagnostic tool if you suspect system memory is causing frequent crashes and error messages. Perform diagnostic tests with the cache disabled to force the processor to access the DRAM as well as the SRAM. Most diagnostic software runs from a CD on system boot. So you will need to download the file and burn a CD.

I recommend: Memtest86 is a stand-alone memory diagnostic tool. It checks for errors in a series of sections with test algorithm, data pattern and cache setting. The Windows Memory Diagnostic also tests for errors on hardware or memory system. You can complete the diagnostic in less than 30 minutes.

Buy an SRAM upgrade from a vendor with technical support services

You can buy SRAM memory chips and products from static random access memory vendors and suppliers. Buy from a vendor for a specific upgrade such as a PCMCIA SRAM PC card or other converter card. But you may get a better price per unit with customer service to back it up from an SRAM supplier or manufacturer.

I recommend: Synchrotech offers a line of SRAM PC cards for personal computers and notebooks featuring a long lasting rechargeable battery and a write protect switch. You get a limited one year warranty plus the technical support. SAMSUNG offers the broadest selection of advanced SRAM memory for high performance network applications from a trusted brand supplier.

Partner with a SRAM memory products distributor

Whether you're an IT technician or a supplier considering providing SRAM for your customers, work with a distributor for competitive pricing and market collaboration.

I recommend: SemiconductorStore.com offers end-user DRAM, SRAM, Flash Cards and NOR Flash Memory and a network of experienced service partners to help with all phases of design and procurement. Nu Horizons Electronics offers EPROM, DRAM, E2PROM, PSRAM, SRAM, Flash and FIFO memory and provides custom logistics and product development.

Tips & Tactics

Helpful advice for making the most of this Guide

• •  SRAM drivers do not come with SRAM memory cards and are not included with Windows 2000 and XP. You'll need to work around Windows installation wizards.
• •  Do not install SRAM component software if the computer already has it. Check the screen as the computer boots to confirm there are no SRAM cards or socket services already installed.