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SIMM-30

Author: Gabriel Torres Last Updated: December 29, 2005 Category: Memory Single In Line Memory Module - 30 pins SIMM-30 was the first memory module to obtain commercial success, developed over an old memory module type called SIPP. SIMM-30 modules are 8-bit modules and use FPM (Fast Page Mode) memory chips Since it is an 8-bit module, its installation must be made like the following: 286 and 386SX: Two in two, since the CPU accesses the memory using 16 bits. 386DX, 486 and 5x86: Four in four, since the CPU accesses the memory using 32 bits. This module was used up to 486 times, being gradually replaced by SIMM-72 memory module. click to enlarge Figure 1: SIMM-30 memory module. click to enlarge Figure 2: Motherboard with both SIMM-30 and SIMM-72 sockets. Related Terms: RAM SIMM SIMM-72 SIPP Print Version | Send to Friend | Bookmark This Term

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