Use the following table 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 table at the end of this article)
System 7 Compatibility Table
|
Macintosh
|
7.6.1
|
7.6
|
7.5.5
|
7.5.3
|
|
128K, 512K, 512Ke, XL, Lisa
|
!
|
!
|
!
|
!
|
|
Plus
|
!
|
!
|
OK
|
OK
|
|
SE
|
!
|
!
|
OK
|
OK
|
|
SE/30
|
!
|
!
|
OK
|
OK
|
|
Classic
|
!
|
!
|
OK
|
OK
|
|
Classic II
|
OK
|
OK
|
OK
|
OK
|
|
Color Classic
|
OK
|
OK
|
OK
|
OK
|
|
II
|
!
|
!
|
OK
|
OK
|
|
IIx
|
!
|
!
|
OK
|
OK
|
|
IIcx
|
!
|
!
|
OK
|
OK
|
|
IIci
|
OK
|
OK
|
OK
|
OK
|
|
IIfx
|
!
|
!
|
OK
|
OK
|
|
IIsi
|
OK
|
OK
|
OK
|
OK
|
|
IIvi, IIvx
|
OK
|
OK
|
OK
|
OK
|
|
LC
|
!
|
!
|
OK
|
OK
|
|
LC II
|
OK
|
OK
|
OK
|
OK
|
|
LC III
|
OK
|
OK
|
OK
|
OK
|
|
LC 475
|
OK
|
OK
|
OK
|
OK
|
|
LC 520
|
OK
|
OK
|
OK
|
OK
|
|
LC 550
|
OK
|
OK
|
OK
|
OK
|
|
LC 575
|
OK
|
OK
|
OK
|
OK
|
|
LC 580
|
OK
|
OK
|
OK
|
OK
|
|
LC 630
|
OK
|
OK
|
OK
|
OK
|
|
Macintosh TV
|
OK
|
OK
|
OK
|
OK
|
|
Centris 610
|
OK
|
OK
|
OK
|
OK
|
|
Centris 650
|
OK
|
OK
|
OK
|
OK
|
|
Centris 660AV
|
OK
|
OK
|
OK
|
OK
|
|
Quadra 605
|
OK
|
OK
|
OK
|
OK
|
|
Quadra 610
|
OK
|
OK
|
OK
|
OK
|
|
Quadra 630
|
OK
|
OK
|
OK
|
OK
|
|
Quadra 650
|
OK
|
OK
|
OK
|
OK
|
|
Quadra 660AV
|
OK
|
OK
|
OK
|
OK
|
|
Quadra 700
|
OK
|
OK
|
OK
|
OK
|
|
Quadra 800
|
OK
|
OK
|
OK
|
OK
|
|
Quadra 840AV
|
OK
|
OK
|
OK
|
OK
|
|
Quadra 900, 950
|
OK
|
OK
|
OK
|
OK
|
|
Performa 450
|
OK
|
OK
|
OK
|
OK
|
|
Performa 460-467
|
OK
|
OK
|
OK
|
OK
|
|
Performa 475-476
|
OK
|
OK
|
OK
|
OK
|
|
Performa 550, 560
|
OK
|
OK
|
OK
|
OK
|
|
Performa 575-578
|
OK
|
OK
|
OK
|
OK
|
|
Performa 600
|
OK
|
OK
|
OK
|
OK
|
|
Performa 611x
|
OK
|
OK
|
OK
|
OK
|
|
Performa 630-638
|
OK
|
OK
|
OK
|
OK
|
|
Performa 5200 Series
|
OK
|
OK
|
OK
|
OK
|
|
Performa 5300 Series
|
OK
|
OK
|
OK
|
OK
|
|
Performa 6116CD
|
OK
|
OK
|
OK
|
OK
|
|
Performa 6200 Series
|
OK
|
OK
|
OK
|
OK
|
|
Performa 6300 Series
|
OK
|
OK
|
OK
|
OK
|
|
Performa 6400 Series
|
OK
|
OK
|
OK
|
*
|
|
Power Mac 4400/200
|
OK
|
!
|
!
|
OK
|
|
Power Mac 5200/75 LC
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 5260
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 5300/100 LC
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 5400
|
OK
|
OK
|
OK
|
*
|
|
Power Mac 6100 Series
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 6200
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 6300
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 6400
|
OK
|
OK
|
OK
|
*
|
|
Power Mac 6500 Series
|
OK
|
!
|
*
|
!
|
|
Power Mac 7100 Series
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 7200 Series
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 7300
|
OK
|
!
|
*
|
!
|
|
Power Mac 7500/100
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 7600
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 8100/80
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 8100/100
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 8100/110
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 8500/120
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 8600/200
|
OK
|
!
|
*
|
!
|
|
Power Mac 8600/250
|
OK
|
!
|
!
|
!
|
|
Power Mac 8600/300
|
OK
|
!
|
!
|
!
|
|
Power Mac 9500/120
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 9500/132
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 9500/150
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 9500/180MP
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 9500/200
|
OK
|
OK
|
OK
|
OK
|
|
Power Mac 9600/200
|
OK
|
!
|
*
|
!
|
|
Power Mac 9600/200MP
|
OK
|
!
|
*
|
!
|
|
Power Mac 9600/233
|
OK
|
!
|
*
|
!
|
|
Power Mac 9600/300
|
OK
|
!
|
!
|
!
|
|
Power Mac 9600/350
|
OK
|
!
|
!
|
!
|
|
Portable
|
!
|
!
|
OK
|
OK
|
|
PowerBook 100
|
!
|
!
|
OK
|
OK
|
|
PowerBook 140
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook 145
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook 145B
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook 150
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook 160
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook 165c
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook 170
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook 180
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook 180c
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook 190
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook Duo 210
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook Duo 230
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook Duo 250
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook Duo 270c
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook Duo 280
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook Duo 280c
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook Duo 2300
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook 520, 520c
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook 540, 540c
|
OK
|
OK
|
OK
|
OK
|
|
PowerBook 1400
|
OK
|
OK
|
!
|
*
|
|
PowerBook 3400
|
OK
|
OK
|
!
|
!
|
|
PowerBook 5300
|
OK
|
OK
|
OK
|
OK
|
System Enablers
System Enablers are required for the Macintosh models listed in the table below with System 7.5.3 or later. Macintosh computers which require system enablers will not operate properly with System 7.5.2 or earlier.
For a more detailed description of system enabler versions, search the Tech Info Library using the search string,"system enablers."
This table shows the appropriate system enabler for the indicated Macintosh computer:
|
Model
|
Enabler name
|
Use only with version
|
Current enabler version
|
Note
|
|
Power Mac 4400/200
|
System Enabler 827
|
7.5.3
|
|
A
|
|
Power Mac 5400
|
System Enabler 410
|
7.5.3
|
|
Power Mac 6400
|
System Enabler 410
|
7.5.3
|
|
Power Mac 6500 Series
|
System Enabler 411
|
7.5.5
|
|
B
|
|
Power Mac 7300
|
System Enabler 702
|
7.5.5
|
|
B
|
|
Power Mac 8600/200
|
System Enabler 702
|
7.5.5
|
|
B
|
|
Power Mac 8600/250
|
No Enabler Needed
|
|
|
C
|
|
Power Mac 8600/300
|
No Enabler Needed
|
|
|
C
|
|
Power Mac 9600/200
|
System Enabler 702
|
7.5.5
|
|
B
|
|
Power Mac 9600/200MP
|
System Enabler 702
|
7.5.5
|
|
B
|
|
Power Mac 9600/233
|
System Enabler 702
|
7.5.5
|
|
B
|
|
Power Mac 9600/300
|
No Enabler Needed
|
|
|
C
|
|
Power Mac 9600/350
|
No Enabler Needed
|
|
|
C
|
PowerBook 1400
(all models)
|
PowerBook 1400 Enabler
|
7.5.3
|
|
Performa 6400 Series
|
System Enabler 410
|
7.5.3
|
1.1
|
|
Notes:
A. The Power Macintosh 4400/200 shipped with 7.5.3 and requires the enabler that shipped with it.It does not support Mac OS 7.6 but will support Mac OS 7.6.1.
B. 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 will support Mac OS 7.6.1.
C. These computers shipped with 7.6.1 and do not require an enabler. These computers do not support Mac OS 7.5.5 or 7.6 but will support Mac OS 8.0.