Macintosh Classic
Macintosh Classic

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Info
   
Setname:  macclasc   
Year: 1990
Manufacturer: Apple Computer
Status: good  works
Type: Buisness Computer / Terminal
Emulation info
   
Overall emulation:  good   
Color emulation:  good  
Sound emulation:  good  
Graphics emulation:  good  
Savestates:  unsupported   

Tech info
 Base hardware: (available in all slot configurations)
Chips
M68000 ("maincpu")cpu 7833600 Hz
Speaker ("mono")audio
Mac Audio Custom ("custom")audio
Screens
Screen ("screen")raster horizontal 512 x 342 @ 60.150000
Media devices
floppydisk ("floppy0") floppydisk1 flop1 dsk, img, image, dc, dc42, fdi, td0, imd, cqm, d77, d88, 1dd
floppydisk ("floppy1") floppydisk2 flop2 dsk, img, image, dc, dc42, fdi, td0, imd, cqm, d77, d88, 1dd
RAM options
2M 2097152
2.5M 2621440
4M 4194304
4M 4194304
Software lists
mac_floporiginal
mac_hddoriginal

 Optional hardware: (available with specific slot configurations)

 Configure the slot options for macclasc:
 Slot Value
 scsi:1 
 scsi:2 
 


Show detailed info about 'Configurations' of this system
Configurations

NameValue
SCSI ID 0
 1
 2
 3
 4
 5
 6
 7
 0
 1
 2
 3
 4
 5
 6
 7


Show detailed info about 'Slot Options' of this system
Slot options

NameValueCompatible device(s)
scsi:1 harddisk scsihd
scsi:2 harddisk scsihd

Romset info
ROM NameSizeCRC32SHA1Dump StateBIOS option
a49f9914.rom524288 510d7d38ccd10904ddc0fb6a1d216b2e9effd5ec6cf5a83dgood
Sysinfo



Features


* CPU: 8 MHz Motorola 68000
* ROM: 512 KiB
* RAM: 1 MiB, expandable to 2 or 4 MiB using 120 ns 30-pin SIMMs
* Display: 9" b&w screen, 512 x 342 pixels
* Audio: 8-bit mono 22kHz
* Hard drive: 40 MB
* Floppy: 1.4 MB double sided
* Interfaces: ADB port for keyboard and mouse, Two mini-DIN-8 RS-422 Serial ports, DB-25 SCSI connector, Headphone 3.5 mm jack socket


Usage


MESS supports the emulation of macclasc with two hard disks and two floppy drives connected. The former ones use "harddisk1" (hard1) and "harddisk2" (hard2) for .chd and .hd files; the latter ones use "floppydisk1" (flop1) and "floppydisk2" (flop2) for disk images in .dsk, .img and .image.dc format.

Keyboard

This system requires full keyboard emulation to work correctly. At startup, full keyboard emulation mode is enabled by default. Whilst in full keyboard emulation mode, some key associated functionality may be disabled (like the ESC key for EXIT). The keyboard emulation mode is toggled using the "Scroll Lock" key (by default).

RAM options

Different RAM configurations are possible for the macclasc in MESS. You can switch between them, changing the -ramsize parameter. At command line, you simply have to add ''-ramsize ram_value'', where //ram_value// can assume one of the following values

1m (default)
2m
2560k
4m


Known Issues


The emulation of this system is Preliminary.


History and Trivia


The Macintosh Classic (code-named XO and Civic) was introduced to answer the requests of another "all-in-one" computer like the Macintosh Plus and the SE, and to be a cheaper machine then the Macintosh II.

Unlike other Macs, memory expansion was only possible in the Classic with a special memory expansion card only available on the more expensive model, or as an option installed later.

Compared to the Macintosh Plus, the Macintosh Classic had more Ram (from 4MB up to 8MB) and the internal ability to connect to a hard drive. Architecturally, the Macintosh Classic was very similar to an SE. To reduce the cost, the brightness knob was replaced by the PWM circuit that formerly controlled the floppy disk rotation speed. Brightness settings were controlled using a control panel, which is operable only on this model and the newer Macintosh Classic II. Unlike the Macintosh SE there was no way to add an extra card for video, Ethernet, or another option.

Although the Classic shipped with System 6.0.7, it could run earlier versions as well. A case in point is the hidden ROM disk which included a copy of System 6.0.3. System 7.5.5 is the latest supported version on this model.

One unique feature of the Classic was the ability to start from a ROM disk by holding down the Command+Option+X+O keys during the boot process. This would boot the Mac Classic into a special combination of the System and Finder that only the Mac Classic can run.

(info based on various Wikipedia pages)


Links


* Applefritter (Excellent site about all Apple models,clones,prototypes,etc...) -- http://www.applefritter.com/
* Everything for the Mac -- http://www.everythingmac.com/
* Macintosh Classic specs at Apple Support -- http://support.apple.com/kb/SP198
* Wikipedia page -- http://en.wikipedia.org/wiki/Macintosh_Classic



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