Driver:Mac 68K:Tech Info:System IDs: Difference between revisions
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| Color Classic || 0 || 0 || 0 || 1 | | Color Classic || 0 || 0 || 0 || 1 | ||
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| | | Macintosh TV || 0 || 0 || 1 || 0 | ||
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| Unreleased SE/30 successor using MDU/RBV || 0 || 0 || 1 || 1 | | Unreleased SE/30 successor using MDU/RBV || 0 || 0 || 1 || 1 | ||
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| PowerBook Duo 235 || 0x1006 | | PowerBook Duo 235 || 0x1006 | ||
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| PowerBook Duo 280c || 0x1010 | |||
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| PowerBook 520/540 || 0x1808 | | PowerBook 520/540 || 0x1808 | ||
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| IIvx || 0x2015 | | IIvx || 0x2015 | ||
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| IIvi || 0x2016 | |||
|- | |||
| Primus 20 || 0x2220 | |||
|- | |- | ||
| LC 475 || 0x2221 | | LC 475 || 0x2221 | ||
|- | |||
| Primus 33 || 0x2222 | |||
|- | |||
| Aladdin 20 || 0x2224 | |||
|- | |- | ||
| Quadra 605 || 0x2225 | | Quadra 605 || 0x2225 | ||
|- | |- | ||
| Quadra 630 || 0x2226 | | Quadra 630 || 0x2226 | ||
|- | |||
| Malcolm 25 || 0x2231 | |||
|- | |||
| Malcolm 33 || 0x2232 | |||
|- | |||
| Show || 0x2250 | |||
|- | |||
| Show || 0x2252 | |||
|- | |||
| Show || 0x2253 | |||
|- | |||
| Show || 0x2254 | |||
|- | |||
| Show || 0x2256 | |||
|- | |||
| Show || 0x2257 | |||
|- | |||
| Tell || 0x2258 | |||
|- | |||
| Tell || 0x225a | |||
|- | |||
| Tell || 0x225b | |||
|- | |- | ||
| LC 575 || 0x222e | | LC 575 || 0x222e | ||
Latest revision as of 22:06, 29 January 2024
Hardware/System ID schemes
Original Mac II family
This uses two VIA bits, bit 6 of port A (PA6) and bit 3 of port B (PB3).
| System | PA6 | PB3 |
|---|---|---|
| Mac IIx | 0 | 0 |
| Mac II | 0 | 1 |
| Mac SE/30 | 1 | 0 |
| Mac Iicx | 1 | 1 |
Extended Mac II family
This scheme uses 4 bits in VIA1 port A: bits 6, 4, 2, and 1 (PA6, PA4, PA2, and PA1, respectively).
This second scheme is further indexed by the memory controller detected by the Universal ROM. The PowerBook 170 and Classic II have the same ID bits, but that works because the PB170 and Classic II have very different memory controllers that are easily detected as different. These bits also are used to differentiate machines with the same ID word such as the Quadra and Centris 610/650/800.
| System | PA6 | PA4 | PA2 | PA1 |
|---|---|---|---|---|
| PowerBook 150 | 0 | 0 | 0 | 0 |
| Color Classic | 0 | 0 | 0 | 1 |
| Macintosh TV | 0 | 0 | 1 | 0 |
| Unreleased SE/30 successor using MDU/RBV | 0 | 0 | 1 | 1 |
| Quadra 950 | 0 | 1 | 0 | 0 |
| PowerBook 140/170, Classic II, Quadra 800 | 0 | 1 | 0 | 1 |
| Unknown (may have been used) | 0 | 1 | 1 | 0 |
| Mac IIsi | 0 | 1 | 1 | 1 |
| Quadra 700/Centris 610 | 1 | 0 | 0 | 0 |
| Unreleased 20 MHz Quadra/Centris 650 | 1 | 0 | 0 | 1 |
| Quadra 610 | 1 | 0 | 1 | 0 |
| Mac IIci & Centris 610 | 1 | 0 | 1 | 0 |
| Quadra 900 | 1 | 1 | 0 | 0 |
| Mac IIfx & Quadra 650 | 1 | 1 | 0 | 1 |
| Mac LC, LC2, IIvx, & IIvi | 1 | 1 | 1 | 0 |
| Mac IIci with parity option | 1 | 1 | 1 | 1 |
Flexible machine ID
This is a register located at address 0x5ffffffc. The top word must be 0xa55a to be valid. In theory, bits 15-11 are 0 for consumer Macs, 1 for portables, 2 for high-end 68k, and 3 for high-end PowerPC. Bit 10 is 1 if additional ID bits appear elsewhere (e.g. in VIA1). The rest of the bits are a per-model identifier.
In practice, Apple didn't always follow those guidelines to make up these IDs.
| System | ID |
|---|---|
| LC III | 0x0001 |
| LC III+ | 0x0003 |
| LC 520 | 0x0100 |
| LC 550 (and Color Classic II?) | 0x0101 |
| PowerBook Duo 280c | 0x1000 |
| PowerBook Duo 270c | 0x1002 |
| PowerBook Duo 210 | 0x1004 |
| PowerBook Duo 230 | 0x1005 |
| PowerBook Duo 235 | 0x1006 |
| PowerBook Duo 280c | 0x1010 |
| PowerBook 520/540 | 0x1808 |
| PowerBook Duo 2300 | 0x1809 |
| PowerBook 5300 | 0x180a |
| PowerBook 190 | 0x180b |
| IIvx | 0x2015 |
| IIvi | 0x2016 |
| Primus 20 | 0x2220 |
| LC 475 | 0x2221 |
| Primus 33 | 0x2222 |
| Aladdin 20 | 0x2224 |
| Quadra 605 | 0x2225 |
| Quadra 630 | 0x2226 |
| Malcolm 25 | 0x2231 |
| Malcolm 33 | 0x2232 |
| Show | 0x2250 |
| Show | 0x2252 |
| Show | 0x2253 |
| Show | 0x2254 |
| Show | 0x2256 |
| Show | 0x2257 |
| Tell | 0x2258 |
| Tell | 0x225a |
| Tell | 0x225b |
| LC 575 | 0x222e |
| Quadra/Centris 610/650/800 | 0x2BAD |
| Quadra 660/840 | 0x2830 |
| PowerMac 6100 | 0x3010 |
| PowerMac 7100 | 0x3012 |
| PowerMac 8100 | 0x3013 |
| PowerMac 7500 | 0x3020 |
| PowerMac 7300 | 0x3021 |
| PowerMac 7600/8600/9600 | 0x3022 |
| PowerBook 2400 | 0x3025 |
| PowerBook 3400 | 0x3026 |
| PowerMac G3 “Beige” | 0x3041 |
| PowerBook G3 “WallStreet” | 0x3042 |
| PowerBook G3 “WallStreet” | 0x3046 |
| Pippin @Mark | 0x7100 |
