Mac LC 580 (Performa 580)

The LC 580 (a.k.a. Performa 580 and 588) is essentially an LC 575 with a new logic board that supports an IDE hard drive (instead of the more expensive SCSI hard drive used in earlier 500 series Macs) and uses a less expensive monitor.

LC 500 series It also has a video I/O slot that can accept the original TV tuner card Apple created for the Performa series.


  • LC 580 introduced 1995.04.03 at $1,300; discontinued 1996.03.02
  • Performa 58x introduced 1995.04.13 at $1,300; discontinued
  • 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); 29 MIPS
  • ROM: 1 MB
  • RAM: 4 MB on motherboard, expandable to 52 MB using a two 80ns 72-pin SIMM; first slot can accept 1 MB, 2 MB, 4 MB, 8 MB, 16 MB, or 32 MB SIMM; second slot can accept only 1 MB, 4 MB, or 16 MB SIMM
  • video: 1 MB VRAM; supports 640 x 480 at 16-bits
  • Hard drive: 500 MB IDE
  • L2 cache: optional, PDS
  • 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 or 500 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: 99
  • 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


  • Internal HD Format: Cannot See IDE Drives (Apple Knowledge Base 18360) notes that due to changes in the way modern IDE drives are formatted at the factory, early versions of Apple HD SC Setup (ones that come with System 7.5.1 and earlier) will not recognize them. You should boot System 7.5.2 or later and use Drive Setup 1.0.3 or higher with these drives.
  • The IDE controller only supports a single device.
  • This highest PIO mode this model supports is Mode 3 (11.1 MB/s), Macintosh: Using Third Party IDE Hard Disks
  • Serial port normally restricted to 57.6 kbps; throughput with a 56k modem may be limited. See 56k modem page. For more information on Mac serial ports, read Macintosh Serial Throughput.

Keywords: #lc580 #performa580 #performa588

Short link:

searchwords: lc580, performa580

This site uses Akismet to reduce spam. Learn how your comment data is processed.