Ensoniq VFX-SD Sequencer Upgrade 2014-08-25 by sonofspy777@... If anyone else needs this info to upgrade their Sequencer.The RAM chips are AS6C1008-55PCN s and they work beautifully @$2.05apiece.You can buy them at mouser electonics:AS6C1008-55PCN Alliance Memory | Mouser AS6C1008-55PCN Alliance Memory | Mouser View on www.mouser.com Preview by Yahoo Best Regards,-Alan