Mac LC 575 (Performa 575)

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The LC 575 (a.k.a. Performa 575, 577, and 578) is essentially a Quadra 605 motherboard in an LC 520/550 case.

LC 500 seriesIt normally shipped with 5 MB RAM and a CD-ROM drive, but there was an LC 575 in a 4 MB configuration without a CD-ROM drive – available only in the education market.

Details

  • LC 575 introduced 1994.11.03 at $1,700; discontinued 1996.03.02
  • Performa 575-578 introduced 1994.02.01 at $1,700; discontinued 1995.04
  • requires System 7.1 (with Enabler 065) or later; highest version supported without a PPC upgrade is Mac OS 8.1.
  • CPU: 33 MHz 68LC040
  • FPU: requires replacing CPU with 68040
  • performance: 10.0 (relative to SE); 8.85, MacBench 2.0 CPU; 29 MIPS
  • ROM: 1 MB
  • RAM: 4 MB on motherboard, expandable to 68 MB using a single 80ns 72-pin SIMM; can use 1 MB, 2 MB, 4 MB, 8 MB, 16 MB, 32 MB and 64 MB SIMMs. (The LC 575 works only with single-banked 64 MB SIMMs, but it does not work with double-banked 64 MB RAM SIMMs.
  • video: 512 KB VRAM, expandable to 1 MB; supports 640 x 480 resolution
  • L2 cache: optional, PDS
  • Hard drive: 160-320 MB SCSI
  • ADB: 2 ports for keyboard and mouse
  • serial: 2 DIN-8 RS-422 ports on back of computer
  • SCSI: DB-25 connector on back of computer
  • hard drive: 250 MB
  • one LC PDS slot
  • size (HxWxD): 17.9″ x 13.5″ x 16.5″
  • weight: 40.5 lb.
  • PRAM battery: 4.5V alkaline
  • Gestalt ID: 92
  • addressing: 32-bit
  • upgrade path: Power Mac PDS card

Accelerators & Upgrades

  • PowerPC Processor Upgrades for LC PDS, Covers Apple, DayStar, and Sonnet PPC upgrades for LC 475, 575-580, 630, Performa 475-476, 575-588, 630 series, Quadra 605, and Quadra 630.
  • L2 cache, various vendors, discontinued

Online Resources

Cautions

Keywords: #lc575 #performa575 #performa577 #performa578

Short link: http://goo.gl/G1peuC

searchwords: lc575, performa575

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