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	Save on DVDs from DVD Express. No DVD? Watch movies on CD from CoolVCD.com Memory Upgrade: LC 580, Performa 580 The 580 ships with 4 MB soldered on the motherboard and a two SIMM sockets for memory expansion. Like other 500-series Macs, it has a slide-out motherboard. With the ports on the motherboard facing you, you will see two SIMM socket near the left edge. The leftmost SIMM socket can accept single-sided or double-sided SIMMs of 1 MB, 2 MB, 4 MB, 8 MB, 16 MB, or 32 MB. The other socket can only accept single-sided SIMMs, which come in 1Mb, 4 MB, and 16 MB sizes. The 72-pin SIMMs must be 80ns or faster. <go to memory upgrade index or LC/Performa 580 page > Macinstein Banner Exchange Low End Mac established April 7, 1997. This page, the entire Low End Mac site, and all subsites of <http://lowendmac.net/> copyright ©1997-2000 by Dan Knight unless otherwise noted. All rights reserved. LINK POLICY: This site allows and encourages links to any public page, so long as the linked page does not appear within a frame that prevents bookmarking the linked page. Low End Mac is an independent publication and has not been authorized, sponsored, or otherwise approved by Apple Computer, Inc. Apple, the Apple logo, Macintosh, and iMac are registered trademarks of Apple Computer, Inc. Additional company and product names may be trademarks or registered trademarks of the individual companies and are hereby acknowledged.	Mac Email Lists Compact Macs Vintage Macs Quadlist (68040) PowerBooks 1st PowerMacs PCI PowerMacs SuperMacs Other Pages Real Deals LEM Help Desk Best Buys in Used Macs Software Downloads Older System Software Upgrade or Buy a Newer Mac? Editorial Index Filtering Spam Macspeak Memory Upgrade Guide Apple Timeline Top Pages Support LEM MacMall Outpost.com Software Outlet Amazon.com Mac Book Source MobShop.com DVD Express CoolVCD.com MusicForce AuctionMac Sponsor Us