Mac ROM Matrix

courtesy John Bain

The list may be useful to those keeping track of what ROMs come from where, etc. It lists the Macintosh computer, processor, ROM checksum, checksum size, and highest Mac OS that the ROM can handle.

Macintosh Model	Processors supported	ROM Checksum (hexadecimal)	ROM Image Size	Mac OS versions supported
Mac 128, 512	68000	28BA61CE or 28BA4E50	64k	1.0 to 6.0.8
Mac Plus	68000	4D1F8172	128k	1.1g to 7.5.5
Mac SE	68000	B2E362A8	256k	2.0 to 7.5.5
Mac SE HDFD	68000	B306E171	256k	6.0.3 to 7.5.5
Mac Classic	68000	A49F9914	512k	6.0.7 to 7.5.5
Mac Classic II	68020-68040	3193670E	512k	7.0.1 to 7.6.1
Mac Color Classic	68020-68040	ECD99DC0	1 MB	7.1 to 7.6.1
Mac II	68020	9779D2C4 or 97851DB6	256k*	2.0 to 7.5.5
Mac IIx, IIcx SE/30	68020-68030	97221136	256k*	6.0.3 to 7.5.5
Mac IIvx	68020-68030	49579803	1 MB	7.1 to 7.6.1
Mac IIvi	68020-68030	3193670E	1 MB	7.1 to 7.6.1
Mac IIxi ?	68020-68030	35C28C8F	512k	7.1 to 7.6.1
Mac IIci	68020-68040	368CADFE	512k	7.1 to 7.6.1
Mac IIsi	68020-68040	36B7FB6C	512k	7.1 to 7.6.1
Mac IIfx	68020-68040	4147DD77	512k	7.1 to 7.6.1
Mac LC	68020-68040	350EACF0	512k	7.1 to 7.5.5
Mac Iici Mac LC II	68020-68040	35C28F5F	512k	7.1 to 7.6.1
Mac LC III Performa 460	68020-68040	ECBBC41C	1M	7.1 to 7.6.1
Mac LC 475 Performa 475	68020-68040	FF7439EE	1M	7.1 to 8.1
Mac LC 580 Performa 580	68020-68040	064DC91D	1M	7.1 to 8.1
Mac LC 630 Performa 630	68020-68040	06684214	1M	7.1 to 8.1
Centris 610 Quadra 610	68020-68040	F1A6F343	1M	7.1 to 8.1
Centris 650 Quadra 650	68020-68040	F1ACAD13	1M	7.1 to 8.1
Quadra 900	68020-68040	420DBFF3	1M	7.0.1 to 8.1
Quadra 950	68020-68040	3DC27823	1M	7.0.1 to 8.1
Quadra ???	68020-68040	96CD923D	1M	? to 8.1
Powerbook 165, 180	68020-68040	E33B2724	1M	7.1 to 7.6.1
Powerbook 5300	PPC	63ABFD3F	4M	7.5.2 to 9.0
Power Mac 5400	PPC	4A6F7921	4M	7.5.3 to 9.0
Power Mac 6100	PPC	9FEB69B3	4M	7.1.2 to 9.0
Power Mac 7200	PPC	4E208E15	4M	7.5.5 to 9.0
Power Mac 8600	PPC	960E4BE9	4M	7.5.5 to 9.0
Power Mac ??xx	PPC	5BF10FD1	4M	? to 9.0
Power Mac ??xx	PPC	95CD923D	4M	? to 9.0
Power Mac ??xx	PPC	9630C68B	4M	? to 9.0

* 32-Bit "Dirty" - Requires Mode32 to access RAM over 8 MB

©1996-04 JagWerks Media