LC 550 and LC 575a.k.a. Performa 550 and Performa 575The LC 550 and 575 have 4 MB of RAM soldered to the motherboard and a single 72-pin SIMM socket for memory expansion. With the edge connector facing away from you, you will see a SIMM socket near the far left edge of the motherboard, running from the front of the computer to the rear. This can be filled with a 1 MB, 2 MB, 4 MB, 8 MB, 16 MB, or 32 MB SIMM. The 72-pin SIMM must be 80ns or faster. To add memory, simply put the new SIMM in the RAM socket. VRAMThe 550 ships with 512 KB of soldered VRAM. You can upgrade this to 1 MB by adding one 512 KB VRAM SIMMs to the single VRAM socket. The 575 ships with 512 KB VRAM composed of two 256 KB VRAM SIMMs. These can be removed and replaced with a pair of 512 KB VRAM SIMMs. <go to memory upgrade index, LC 550, or LC 575 page> Low End Mac is an independent publication and has not been authorized, sponsored, or otherwise approved by Apple Inc. Entire Low End Mac website copyright ©1997-2012 by Cobweb Publishing, Inc. unless otherwise noted. All rights reserved. Apple, the Apple logo, Macintosh, iPad iPhone, iMac, iPod, MacBook, MagSafe, Mac Pro, Apple TV, and AirPort are registered trademarks of Apple Inc. Additional company and product names may be trademarks or registered trademarks and are hereby acknowledged.Advice is presented in good faith, but what works for one may not work for all. Please report errors to . LINKS: We allow and encourage links to any public page as long as the linked page does not appear within a frame that prevents bookmarking it. Email may be published at our discretion unless marked "not for publication"; email addresses will not be published without permission, and we will encrypt them in hopes of avoiding spammers. Letters may be edited for length, context, and to match house style. PRIVACY: We don't collect personal information unless you explicitly provide it. For more details, see our Terms of Use. |
Channels
Support LEMAffiliates
|
