System 7.1 through Mac OS 7.6: Compatibility With Macintosh Computers

This tables in this article list Macintosh computers and the versions of System 7.1 through Mac OS 7.6 that can be used with them. It also lists versions of any required enablers. To search the Technical Information Library for information on system software previous to 7.1 use the search string "system software and 7.0.1."
This article has been archived and is no longer updated by Apple.
Use the following chart to determine which version of system software you should be using on your Macintosh computer:

Key
!
- Not supported
OK
- Works with this version of system software
*
- Works with this version of system software, but requires a Macintosh System Enabler (see below)

System 7 Compatibility
Macintosh
7.6
7.5.5
7.5.3
7.5.2
7.5.1
7.5
7.1.2P
7.1.2
7.1.1
7 Pro
7.1
128K, 512K, 512Ke, and XL/Lisa
!
!
!
!
!
!
!
!
!
!
!
Plus
!
OK
OK
!
OK
OK
!
!
!
!
OK
SE
!
OK
OK
!
OK
OK
!
!
!
OK
OK
SE/30
!
OK
OK
!
OK
OK
!
!
!
OK
OK
Classic
!
OK
OK
!
OK
OK
!
!
!
OK
OK
Classic II
OK
OK
OK
!
OK
OK
!
!
!
OK
OK
Color Classic
OK
OK
OK
!
OK
OK
!
!
!
*
*
II
!
OK
OK
!
OK
OK
!
!
!
OK
OK
IIx
!
OK
OK
!
OK
OK
!
!
!
OK
OK
IIcx
!
OK
OK
!
OK
OK
!
!
!
OK
OK
IIci
OK
OK
OK
!
OK
OK
!
!
!
OK
OK
IIfx
OK
OK
OK
!
OK
OK
!
!
!
OK
OK
IIsi
OK
OK
OK
!
OK
OK
!
!
!
OK
OK
IIvi,IIvx
OK
OK
OK
!
OK
OK
!
!
!
*
*
LC
!
OK
OK
!
OK
OK
!
!
!
OK
OK
LC II
OK
OK
OK
!
OK
OK
!
!
!
OK
OK
LC III
OK
OK
OK
!
OK
OK
!
!
!
*
*
LC 475
OK
OK
OK
!
OK
OK
!
!
!
*
*
LC 520
OK
OK
OK
!
OK
OK
!
!
!
*
*
LC 550
OK
OK
OK
!
OK
OK
!
!
!
*
*
LC 575
OK
OK
OK
!
OK
OK
!
!
!
*
*
LC 580
OK
OK
OK
!
OK
OK
!
!
!
!
!
LC 630
OK
OK
OK
!
OK
OK
*
!
!
!
!
Macintosh TV
OK
OK
OK
!
OK
OK
!
!
!
*
*
Centris 610
OK
OK
OK
!
OK
OK
!
!
!
*
*
Centris 650
OK
OK
OK
!
OK
OK
!
!
!
*
*
Centris 660AV
OK
OK
OK
!
OK
OK
!
!
!
*
*
Quadra 605
OK
OK
OK
!
OK
OK
!
!
!
*
*
Quadra 610
OK
OK
OK
!
OK
OK
!
!
!
*
*
Quadra 630
OK
OK
OK
!
OK
OK
*
!
!
!
!
Quadra 650
OK
OK
OK
!
OK
OK
!
!
!
*
*
Quadra 660AV
OK
OK
OK
!
OK
OK
!
!
!
*
*
Quadra 700
OK
OK
OK
!
OK
OK
!
!
!
OK
OK
Quadra 800
OK
OK
OK
!
OK
OK
!
!
!
*
*
Quadra 840AV
OK
OK
OK
!
OK
OK
!
!
!
*
*
Quadra 900,950
OK
OK
OK
!
OK
OK
!
!
!
OK
OK
PowerMac 5200/75 LC
OK
OK
OK
!
*
!
!
!
!
!
!
PowerMac 5300/100 LC
OK
OK
OK
!
*
!
!
!
!
!
!
PowerMac 5400/200
OK
OK
!
!
!
!
!
!
!
!
!
PowerMac 5500/225
OK
OK
!
!
!
!
!
!
!
!
!
PowerMac 6100/60
OK
OK
OK
!
OK
OK
!
*
!
!
!
PowerMac 6100/66
OK
OK
OK
!
*
*
!
!
!
!
!
PowerMac 7100/66
OK
OK
OK
!
OK
OK
!
*
!
!
!
PowerMac 7100/80
OK
OK
OK
!
*
*
!
!
!
!
!
PowerMac 7200/75
OK
OK
OK
*
!
!
!
!
!
!
!
PowerMac 7200/90
OK
OK
OK
*
!
!
!
!
!
!
!
PowerMac 7300/180
!
OK
*
!
!
!
!
!
!
!
!
PowerMac 7300/200
!
OK
*
!
!
!
!
!
!
!
!
PowerMac 7500/100
OK
OK
OK
*
!
!
!
!
!
!
!
PowerMac 8100/80
OK
OK
OK
!
OK
OK
!
*
!
!
!
PowerMac 8100/100
OK
OK
OK
!
*
*
!
!
!
!
!
PowerMac 8100/110
OK
OK
OK
!
*
*
!
!
!
!
!
PowerMac 8500/120
OK
OK
OK
*
!
!
!
!
!
!
!
PowerMac 8600/200
!
OK
*
!
!
!
!
!
!
!
!
PowerMac 9500/120
OK
OK
OK
*
!
!
!
!
!
!
!
PowerMac 9500/132
OK
OK
OK
*
!
!
!
!
!
!
!
PowerMac 9600/200
!
OK
*
!
!
!
!
!
!
!
!
Workgroup Server 60
!
OK
OK
!
OK
OK
!
!
!
*
*
Workgroup Server 80
!
OK
OK
!
OK
OK
!
!
!
*
*
Workgroup Server 95#
!
!
!
!
!
!
!
!
!
!
!
Workgroup Server 6150/60
OK
OK+
OK
!
OK
OK
!
*
!
!
!
Workgroup Server 6150/66
OK
OK+
OK
!
*
*
!
!
!
!
!
Workgroup Server 7250/120
OK
OK+
OK
!
!
!
!
!
!
!
!
Workgroup Server 7350/180
OK
OK+
OK
!
!
!
!
!
!
!
!
Workgroup Server 8150/80
OK
OK+
OK
!
OK
OK
!
*
!
!
!
Workgroup Server 8150/110
OK
OK+
OK
!
*
*
!
!
!
!
!
Workgroup Server 8550/132
OK
OK+
OK
!
!
!
!
!
!
!
!
Workgroup Server 8550/200
OK
OK+
OK
!
!
!
!
!
!
!
!
Workgroup Server 9150/80
OK
OK+
OK
!
OK
!
!
OK
!
!
!
Workgroup Server 9150/120
OK
OK+
OK
!
OK
!
!
!
!
!
!
Workgroup Server 9650/233
7.6.1
!
!
!
!
!
!
!
!
!
!
Workgroup Server 9650/350
7.6.1
!
!
!
!
!
!
!
!
!
!
Portable
!
OK
OK
!
OK
OK
!
!
!
OK
OK
PowerBook 100
!
OK
OK
!
OK
OK
!
!
!
OK
OK
PowerBook 140
OK
OK
OK
!
OK
OK
!
!
!
OK
OK
PowerBook 145
OK
OK
OK
!
OK
OK
!
!
!
OK
OK
PowerBook 145B
OK
OK
OK
!
OK
OK
!
!
!
OK
OK
PowerBook 170
OK
OK
OK
!
OK
OK
!
!
!
OK
OK
PowerBook 160
OK
OK
OK
!
OK
OK
!
!
!
*
*
PowerBook 165c
OK
OK
OK
!
OK
OK
!
!
!
*
*
PowerBook 180
OK
OK
OK
!
OK
OK
!
!
!
*
*
PowerBook 180c
OK
OK
OK
!
OK
OK
!
!
!
*
*
PowerBook 190
OK
OK
OK
*
!
!
!
!
!
!
!
PowerBook Duo 210
OK
OK
OK
!
OK
OK
!
!
!
*
*
PowerBook Duo 230
OK
OK
OK
!
OK
OK
!
!
!
*
*
PowerBook Duo 2300
OK
OK
OK
*
!
!
!
!
!
!
!
PowerBook Duo 250
OK
OK
OK
!
OK
OK
!
!
!
*
*
PowerBook Duo 270c
OK
OK
OK
!
OK
OK
!
!
!
*
*
PowerBook Duo 280
OK
OK
OK
!
OK
OK
!
!
*
!
!
PowerBook Duo 280c
OK
OK
OK
!
OK
OK
!
!
*
!
!
PowerBook 520, 520c
OK
OK
OK
!
OK
OK
!
!
*
!
!
PowerBook 540, 540c
OK
OK
OK
!
OK
OK
!
!
*
!
!
PowerBook 5300
OK
OK
OK
*
!
!
!
!
!
!
!

# The Apple Workgroup Server 95 uses the A/UX operating system.
+ Also requires: System 7.5.5 SCSI Server Update, and PPC Interrupt Extension.

System Enablers

System Enablers are required for the Macintosh models indicated below with System 7.1 or later. Macintosh computers which require System Enablers will not operate properly with System 7.0.1 or earlier.

This chart shows the appropriate System Enabler for the indicated Macintosh computer:
Macintosh ModelEnabler Name
Use Enabler only with System Version
Current Enabler Version
Note
Color ClassicSystem Enabler 401
7.1
1.0.5
IIviSystem Enabler 001
7.1
1.0.1
IIvxSystem Enabler 001
7.1
1.0.1
LC IIISystem Enabler 003
7.1
1.1
LC 475System Enabler 065
7.1
1.2
LC 520System Enabler 403
7.1
1.0.2
LC 550System Enabler 403
7.1
1.0.2
LC 575System Enabler 065
7.1
1.1
LC 630System Enabler 405
7.1.2P
7.1.2P
Macintosh TVSystem Enabler 404
7.1
1.0
Centris 610System Enabler 040
7.1
1.1
Centris 650System Enabler 040
7.1
1.1
Centris 660AVSystem Enabler 088
7.1
1.2
Quadra 605System Enabler 065
7.1
1.2
Quadra 610System Enabler 040
7.1
1.1
Quadra 630System Enabler 405
7.1.2P
7.1.2P
Quadra 650System Enabler 040
7.1
1.1
Quadra 660AVSystem Enabler 088
7.1
1.2
Quadra 800System Enabler 040
7.1
1.1
Quadra 840AVSystem Enabler 088
7.1
1.2
PowerMac 5200/75 LCSystem Enabler 406
7.5.1
1
PowerMac 5300/100 LCSystem Enabler 406
7.5.1
1
PowerMac 6100/60PowerPC Enabler
7.1.2
1.0.2
PowerMac 6100/66PowerPC Enabler
7.5
1.1.1
PowerMac 7100/66PowerPC Enabler
7.1.2
1.0.2
PowerMac 7100/80PowerPC Enabler
7.5
1.1.1
PowerMac 7200/75System Enabler 701
7.5.2
1.1
PowerMac 7200/90System Enabler 701
7.5.2
1.1
PowerMac 7300 SeriesSystem Enabler 702
7.5.5
D
PowerMac 7500/100System Enabler 701
7.5.2
1.2
PowerMac 8100/80PowerPC Enabler
7.1.2
1.0.2
PowerMac 8100/100PowerPC Enabler
7.5
1.1.1
PowerMac 8100/110PowerPC Enabler
7.5
1.1.1
PowerMac 8500/120System Enabler 701
7.5.2
1.2
PowerMac 8600/200System Enabler 702
7.5.5
D
PowerMac 9500/120System Enabler 701
7.5.2
1.1
PowerMac 9500/132System Enabler 701
7.5.2
1.1
PowerMac 9600 SeriesSystem Enabler 702
7.5.5
D
PowerBook 150PowerBook 150 Enabler
7.1.1
1.1
PowerBook 160System Enabler 131
7.1
1.0.3
A
PowerBook 165System Enabler 131
7.1
1.0.3
A
PowerBook 165cSystem Enabler 131
7.1
1.0.3
A
PowerBook 180System Enabler 131
7.1
1.0.3
A
PowerBook 180cSystem Enabler 131
7.1
1.0.3
A
PowerBook 190PowerBook 5300/2300/190 Enabler
7.5.2
1.2.1
PowerBook Duo 210PowerBook Duo Enabler
7.1
2.0
B
PowerBook Duo 230PowerBook Duo Enabler
7.1
2.0
B
PowerBook Duo 2300PowerBook 5300/2300/190 Enabler
7.5.2
1.2.1
PowerBook Duo 250PowerBook Duo Enabler
7.1
2.0
B
PowerBook Duo 270cPowerBook Duo Enabler
7.1
2.0
PowerBook Duo 280PowerBook Duo Enabler
7.1.1
2.0
PowerBook Duo 280cPowerBook Duo Enabler
7.1.1
2.0
PowerBook 500 SeriesPowerBook 500 Series Enabler 1.0
7.1.1
1.0.2
PowerBook 5300PowerBook 5300/2300/190 Enabler
7.5.2
1.2.1
Performa Computers
The Performa 200, 400, 405, 410, 430, 580, 640 and 6110-series NO Enabler required.
Performa 450System Enabler 308
7.1P6
1.0
Performa 460-467System Enabler 308
7.1P6
1.0
Performa 475-476System Enabler 364
7.1P6
1.1
Performa 550, 560System Enabler 332
7.1P6
1.1
Performa 575-578System Enabler 364
7.1P6
1.1
Performa 600System Enabler 304
7.1P6
1.0.1
Performa 630-638System Enabler 405
7.1.2P
7.1.2P
Performa 5300System Enabler 406
7.5.1
1.0
Performa 6200System Enabler 406
7.5.1
1.0
Performa 6300System Enabler 406
7.5.1
1.0

Note
A - System Enabler 131 replaces System Enabler 111 and System Enabler 121
B - Express Modem users should also install the Duo Battery Patch xtension)
C - The Macintosh Plus, SE, SE/30, Classic, Classic II, LC, LC II, LC 580, Mac II, IIx, IIcx, IIsi, IIci, IIfx, Portable, PowerBook 100, 140, 145, 145B, 170, Quadra 700, 900, and 950 do NOT need a System Enabler.
D - These computers shipped with 7.5.5 and require the enabler that shipped with it. These computers do not support Mac OS 7.6 but support Mac OS 7.6.1.
Last Modified: Feb 18, 2012

Additional Product Support Information