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RAM Compatibility for ESI 4000
The ESI4000 uses 72 pin SIMM modules that are readily available in computer stores. The ESI4000 can have up to 128MB of RAM.
General Requirements:
All of these samplers require RAM SIMMs that have the following characteristics:
72 pin SIMM
70 nS or faster access time
Parity or Non-Parity design
EDO or Non-EDO (Extended Data Out)
Glass Epoxy material, manufactured to JEDEC specifications
Most 72 pin SIMMs are standard configuration and are compatible. There is one particular and rare style of SIMM called "ECC" type RAM has a different circuit design that will not work with E-MU / ENSONIQ samplers.
The following information provides important details regarding RAM type and configuration for these samplers:
1.   Each of these samplers uses RAM SIMM slots with a total capacity of up to 128MB.
2.   Each one of these slots could hold up to a 64MB RAM SIMM.
3.   You can use 4MB, 16MB or 64MB SIMMs in these products.
4.   If you fill one slot only with a RAM SIMM, use slot 1. RAM will not be detected if it is only installed in SLOT 2.
5.   If you install two similar sized RAM SIMMs, install one in each of the slots and the total memory will be the sum of the two RAM SIMMs. For example, two 16MB SIMMs will provide 32MB of sample memory.
6.   If you install two different size RAMs, install the LARGER size SIMM in SLOT 1. The SMALLER sized RAM should be installed in SLOT 2.
7.   When you install two different size RAM, your total amount of RAM will be the capacity of SLOT 1 plus HALF of the capacity of slot 2. For example, if you install a 64MB SIMM in slot 1 and a 16MB RAM in slot 2, you will have 72MB of total memory.
RAM Availability:
RAM is available from several different sources including electronics stores, computer stores, and many music dealers carry RAM for samplers and computer products. We highly recommend you purchase RAM from a reputable supplier, and we would like to remind you that E-MU / ENSONIQ sells fully tested and fully warranted RAM from our service department at a price that is only slightly higher than what you would pay from a retail store or directly from our vendor, who is listed below. Please contact us at sales@emu.com or 888.372.1372 in the U.S. or 831.438.1921 option 3 for all other countries for more details about pricing of our factory warranted RAM for your sampler.
Due to the fact that some people do not have local retailers who carry the desired RAM configuration for their sampler and would prefer to save a couple of bucks on their RAM, we have provided the name and address of the sources where we purchase memory. Please be advised that this memory is supplied and warranted by the vendor, and not by E-MU / ENSONIQ. Nor is the RAM you receive subjected to our quality assurance tests and stringent burn-in procedures before being shipping with your sampler. As a result, E-MU / ENSONIQ extends no warranty and/or accepts no liability whatsoever in any product you purchase from these sources:
To order 64MB SIMMs, ask for IM443. To order 16MB SIMMs, ask for IM439.
MOHAWK
MOHAWK MEMORY CO.
16 A Waltham Street
Maynard, Massachusetts 01754
Toll Free (US only): 1-800-986-6429
Overseas: + 978-897-7779

MOHAWK accepts VISA, Mastercard, Amex, or Discover. They ship via UPS, Fed Ex, or Airborne. Mohawk offers a lifetime warranty.
REPTRON
Contact name: Joe Sanders
jsanders@reptron.com

REPTRON ELECTRONICS, INC.
14401 McCormick Drive
Tampa, Florida 33626 USA
Toll Free (US only): 1-800-800-5441 -or- 1-888 REPTRON
Overseas: + 813-854-2351

Reptron accepts VISA, MasterCard, or Amex. Reptron ships either via UPS, Fed Ex, Airborne, Emery, or DHL. Reptron offers a lifetime warranty.
UNIGEN
Contact name: Scott Marx
sjmarx@unigen.com

UNIGEN CORPORATION
45388 Warm Springs Blvd.
Fremont, California 94539 USA
Toll free (US only): 1-800-826-0808
Overseas: + 510-668-2088

UNIGEN accepts VISA, MasterCard, Money Order in US funds, or wire transfer. Unigen ships UPS to customers in the US, Foreign customers via FED EX. Overnight shipment of RAM via FED EX is possible. UNIGEN offers a lifetime warranty.
MOUNTAIN INTERNATIONAL
Contact name: Bob Schilling
rschilling@sciti.com

MOUNTAIN INTERNATIONAL
P.O. Box 394
Pine Valley, CA 91962 USA
Phone: 619.473.8374
Fax: 619.473.8392
AMERICANINO
Contact: christian@americanino.co.uk

AMERICANINO
P.O. Box 307
Knaphill
Woking
Surrey
England
GU21 2YN
Phone: +44 (0)1483 770888
Fax: +44 (0)1483 747722
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