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|
Mac... |
Module format |
Ram device compatibility |
Install by group of.. |
Number of slots |
Minimum Speed |
68000 |
|||||
Plus |
30-pin Simm |
N, P - FPM |
2 |
4 |
150ns |
SE |
30-pin Simm |
N, P - FPM |
2 |
4 |
150ns |
Classic |
30-pin Simm |
N, P - FPM |
2 |
4 |
150ns |
68020 |
|||||
II |
30-pin Simm |
N, P - FPM |
4 |
8 |
120ns |
LC |
30-pin Simm |
N, P - FPM |
2 |
2 |
100ns |
68030 |
|||||
SE/30 |
30-pin Simm |
N, P - FPM |
4 |
8 |
120ns |
ClassicII |
30-pin Simm |
N, P - FPM |
2 |
2 |
100ns |
Color Classic |
30-pin Simm |
N, P - FPM |
2 |
2 |
100ns |
Color ClassicII |
30-pin Simm |
N, P - FPM |
2 |
2 |
100ns |
IIx |
30-pin Simm |
N, P - FPM |
4 |
8 |
120ns |
IIfx |
64-pin Simm |
N, P - FPM |
4 |
8 |
80ns |
IIcx |
30-pin Simm |
N, P - FPM |
4 |
8 |
120ns |
IIci |
30-pin Simm |
N, P* - FPM |
4 |
8 |
80ns |
IIsi |
30-pin Simm |
N, P - FPM |
4 |
4 |
100ns |
IIvx, IIvi |
30-pin Simm |
N, P - FPM |
4 |
4 |
80ns |
LC II |
30-pin Simm |
N, P - FPM |
2 |
2 |
100ns |
LC III, LC III+ |
72-pin Simm |
N, P - FPM |
1 |
1 |
80ns |
LC 520 |
72-pin Simm |
N, P - FPM |
1 |
1 |
80ns |
Performa 200 see ClassicII |
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Performa 400, 405, 410, 430 see LC II |
|||||
Performa 450, 460, 466, 467 see LC III |
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Performa 600, 600CD see IIvx |
|||||
Mac TV |
72-pin Simm |
N, P - FPM |
1 |
1 |
80ns |
68040, 68LC040 |
|||||
Quadra 605 |
72-pin Simm |
N, P - FPM |
1 |
1 |
80ns |
Quadra, Centris 610 |
72-pin Simm |
N, P - FPM |
1 (Int) |
2 |
80ns |
Quadra 630 |
72-pin Simm |
N, P - FPM |
1 |
1 or 2* |
80ns |
Quadra, Centris 650 |
72-pin Simm |
N, P - FPM |
1 (Int) |
4 |
80ns |
Quadra, Centris 660AV |
72-pin Simm |
N, P - FPM |
1 |
2 |
70ns |
Quadra 800 |
72-pin Simm |
N, P - FPM |
1 (Int) |
4 |
60ns |
Quadra 840AV |
72-pin Simm |
N, P - FPM |
1 |
4 |
60ns |
Quadra 700 |
30-pin Simm |
N, P - FPM |
4 |
4 |
80ns |
Quadra 900, 950 |
30-pin Simm |
N, P - FPM |
4 |
16 |
80ns |
LC 475, LC 550, LC 575 |
72-pin Simm |
N, P - FPM |
1 |
1 |
80ns |
LC 580 |
72-pin Simm |
N, P - FPM |
1 |
2 |
80ns |
LC 630, LC 630 DOS* |
72-pin Simm |
N, P - FPM |
1 |
1 or 2* |
80ns |
Performa 475, 476 see LC 475 |
|||||
Performa 550, 560 see LC 550 |
|||||
Performa 575, 576, 577 see LC 575 |
|||||
Performa 63x, 630 DOS, 640 DOS see LC 630 |
Comments :
So you'll be able to determine easily which PC rams you can buy
for your Mac (ex: for a SE you need "2 identical 30-pin FPM Simms,
with parity or not" which you can find on a 386).
In the same "Ram devices compatibility" column, you'll se N and P.
N stands for Normal and P stands for with Parity. what does it
signifies ? Parity ram modules works with 9 bit words instead of
8, the ninth one is used as control bit. It is simply ignored by
all 68k Mac. So you can install ram with parity on all 68k Mac,
which is usefull because most old PC used ram with parity (and PC
ram is cheaper...). Normal modules have a pear number of devices,
and modules with parity have an unpear number of
devices...logical, isn't it ?
This Page is optimized for Classic Macs and for iCab. It has been realized on the 22 june 2000, with the help of the following ressources : Guru, Guide For Ram Upgrade and Apple Memory Guide"
©1996-03 Jagwerks Media