Archived - Macintosh: ROM Size for Various Models
This article lists the ROM size for various Macintosh models. Additional information on Macintosh ROMs can be found in article 2532: "Macintosh Computers: ROM Version Numbers".
Note: After May 25, 1999, this article will not be updated. Product specific information on Macintosh ROM can be obtained from the Developer Note for a particular product. You can view and download Developer Notes from the following Web site: http://developer.apple.com/hardware/.
Macintosh Model | ROM Size |
Macintosh 128 | 64K |
Macintosh 512K | 64K |
Macintosh 512Ke | 128K |
Macintosh Plus | 128K |
Macintosh SE (both 800K & FDHD) | 256K |
Macintosh Classic (4-chip and 2-chip) | 512K |
Macintosh SE/30 | 256K |
Macintosh Classic II | 512K |
Macintosh Color Classic | 1024K |
Macintosh II Models | ROM Size |
Macintosh II | 256K |
Macintosh IIx | 256K |
Macintosh IIcx | 256K |
Macintosh IIci | 512K |
Macintosh IIfx | 512K |
Macintosh IIsi | 512K |
Macintosh IIvi/IIvx | 1024K |
Macintosh LC Models | |
Macintosh LC | |
Macintosh LC II | 512K |
Macintosh LC III | 1024K |
Macintosh LC 475 | 1024K |
Macintosh LC 520/550 | 1024K |
Macintosh LC 575 | 1024K |
Macintosh LC 580 | 1024K |
Macintosh LC 630 | 1024K |
Macintosh TV | 1024K |
Macintosh Performa Models | |
Macintosh Performa 200 | 512K |
Macintosh Performa 400/405/410/430 | 512K |
Macintosh Performa 450/460/466/467 | 1024K |
Macintosh Performa 475/476 | 1024K |
Macintosh Performa 550/560 | 1024K |
Macintosh Performa 575/577/578 | 1024K |
Macintosh Performa 580 | 1024K |
Macintosh Performa 600 | 1024K |
Macintosh Performa 630/631/635/636/637/638/640 | 1024K |
Macintosh Performa 5200/5210/5215/5220 | 4096K |
Macintosh Performa 5260 | 4096K |
Macintosh Performa 5300 | 4096K |
Macintosh Performa 6100 Series | 4096K |
Macintosh Performa 62xx | 4096K |
Macintosh Performa 6300 | 4096K |
Macintosh Performa 6320 | 4096K |
Macintosh Performa 6400 series | 4096K |
Macintosh Performa 6360 | 4096K |
Macintosh Performa 6290 | 4096K |
Macintosh Quadra Models | |
Macintosh Quadra 605 | 1024K |
Macintosh Centris/Quadra 610 | 1024K |
Macintosh Quadra 630 | 1024K |
Macintosh Centris/Quadra 650 | 1024K |
Macintosh Quadra 700 | 1024K |
Macintosh Quadra 800 | 1024K |
Macintosh Quadra 900 | 1024K |
Macintosh Quadra 950 | 1024K |
Macintosh Centris/Quadra 660AV | 1024K |
Macintosh Quadra 840AV | 2048K |
Apple Workgroup Servers | |
Apple Workgroup Server 60 | 1024K |
Apple Workgroup Server 80 | 1024K |
Apple Workgroup Server 90 | 1024K |
Apple Workgroup Server 95 | 1024K |
Apple Workgroup Server 6150 | 4096K |
Apple Workgroup Server 8150 | 4096K |
Apple Workgroup Server 9150 | 4096K |
Apple Workgroup Server 7250 | 4096K |
Apple Workgroup Server 8550 | 4096K |
Power Macintosh Models | |
Power Macintosh 4400 series | 4096K |
Power Macintosh 5200/75 LC | 4096K |
Power Macintosh 5260/100 | 4096K |
Power Macintosh 5300/100 LC | 4096K |
Power Macintosh 5400 series | 4096K |
Power Macintosh 5500 series | 4096K |
Power Macintosh 6400 series | 4096K |
Power Macintosh 6500 series | 4096K |
Power Macintosh 6100 series | 4096K |
Power Macintosh 7100 series | 4096K |
Power Macintosh 7200 series | 4096K |
Power Macintosh 7300 series | 4096K |
Power Macintosh 7500/100 | 4096K |
Power Macintosh 7600 series | 4096K |
Power Macintosh 8100 series | 4096K |
Power Macintosh 8500 series | 4096K |
Power Macintosh 8600 series | 4096K |
Power Macintosh 9500 series | 4096K |
Power Macintosh 9600 series | 4096K |
Power Macintosh G3 | 4096K |
Power Macintosh G3 (Blue and White) | 1024K |
Macintosh PowerBook Models | |
Macintosh Portable | 256K |
Macintosh Backlit Portable | 256K |
PowerBook 100 | 256K |
PowerBook 140 | 1024K |
PowerBook 145 | 1024K |
PowerBook 150 | 1024K |
PowerBook 160 | 1024K |
PowerBook 165c | 1024K |
PowerBook 170 | 1024K |
PowerBook 180/180c | 1024K |
PowerBook Duo 210 | 1024K |
PowerBook Duo 230 | 1024K |
PowerBook Duo 250 | 1024K |
PowerBook Duo 270c | 1024K |
PowerBook Duo 280/280c | 1024K |
PowerBook 520/520c | 2048K |
PowerBook 540/540c | 2048K |
PowerBook 1400 | 1024K |
PowerBook Duo 2300 series | 4096K |
PowerBook 5300 series | 4096K |
Last Modified: Feb 19, 2012