Feb 16, 2020 #1 C clros Member level 2 Joined May 26, 2018 Messages 45 Helped 0 Reputation 0 Reaction score 0 Trophy points 6 Activity points 387 Hi to all, I do not understand what is the correct pinout of the old 72 pin SIMM memories, some of the documents that I have found are conflicting for some PINs. I am creating a project to drive several SIMMs with one FPGA, could you show me some reference scheme?
Hi to all, I do not understand what is the correct pinout of the old 72 pin SIMM memories, some of the documents that I have found are conflicting for some PINs. I am creating a project to drive several SIMMs with one FPGA, could you show me some reference scheme?
Feb 16, 2020 #2 KlausST Advanced Member level 7 Joined Apr 17, 2014 Messages 25,157 Helped 4,868 Reputation 9,757 Reaction score 5,536 Trophy points 1,393 Activity points 168,342 Hi, If you are the designer, the you should give specifications. Otherwise we could guess a hundred posts.... Klaus
Hi, If you are the designer, the you should give specifications. Otherwise we could guess a hundred posts.... Klaus
Feb 16, 2020 #3 C clros Member level 2 Joined May 26, 2018 Messages 45 Helped 0 Reputation 0 Reaction score 0 Trophy points 6 Activity points 387 Hi see these documents: https://pinouts.ru/Memory/Simm72_pinout.shtml https://allpinouts.org/pinouts/connectors/memory/dram-simm-ecc-72-pin/ PIN 19 is Not connected or is Address10? PIN 29 is Address11 or Data16? PIN 41 is /CAS1 or Address10? And so on..
Hi see these documents: https://pinouts.ru/Memory/Simm72_pinout.shtml https://allpinouts.org/pinouts/connectors/memory/dram-simm-ecc-72-pin/ PIN 19 is Not connected or is Address10? PIN 29 is Address11 or Data16? PIN 41 is /CAS1 or Address10? And so on..
Feb 16, 2020 #4 FvM Super Moderator Staff member Joined Jan 22, 2008 Messages 52,399 Helped 14,748 Reputation 29,778 Reaction score 14,091 Trophy points 1,393 Location Bochum, Germany Activity points 298,000 If you experience contradicting hearsay specs, why not refer to major manufacturers datasheets instead?
If you experience contradicting hearsay specs, why not refer to major manufacturers datasheets instead?
Feb 16, 2020 #5 KlausST Advanced Member level 7 Joined Apr 17, 2014 Messages 25,157 Helped 4,868 Reputation 9,757 Reaction score 5,536 Trophy points 1,393 Activity points 168,342 Hi, A fully agree with FvM. The first results of a simple internet search "simm sdram specification" leads you the big manufacturers... and reliable informations. Klaus
Hi, A fully agree with FvM. The first results of a simple internet search "simm sdram specification" leads you the big manufacturers... and reliable informations. Klaus