User manual

Which Mac System version should you be running?
AppleSauce November 2003
22
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and limited numbers of small files. There are many
other options, including a second hard disk (internal or
external), ZIP or JAZ drives, Super Drives, which write
data to both conventional floppies and 120MB remov-
able disks and USB flash drives. If you have a CD burner
then you can back up your data to a CD. You could also
use a second Mac for back-up purposes!
RAM for Macs is relatively cheap. You should add suffi-
cient for the tasks that do with your Mac and the OS that
you want to run. Real RAM is always superior to virtual
memory. Even if you do not want to upgrade your Sys-
tem it is still worth adding extra RAM.
System Released Cost
Supports
(See additional notes)
Minimum RAM
required
Hard disk requirements/
Comments
7.0 1991 2MB RAM Mac Plus requires a mini-
mum of 2MB of RAM and
a HD
7.1 1992 68000, 68020, 68030,
68040, PPC
2MB RAM?
7.5 1994 Free in
1999
68000 (barely) 68020,
68030, 68040, Power
Mac (PPC)
4–8MB RAM (68x)
8–16MB (PPC)
Higher figure in each
case is recommended
Arguably the minimum
System for effective Inter-
net access. Last version is
7.5.5
7.6 No
longer
avail-
able?
Later 68030* 68040
and PPC Macs
*68030 Macs with 32-bit
clean ROMs