Macintosh Classic II
The Macintosh Classic II is a 68030-based all-in-one desktop computer that was released in October 1991.
Specifications
According to everymac.com.
| Spec | Details |
|---|---|
| Release Date | October 1991 |
| Discontinuation Date | September 1993 |
| Processor | Motorola 68L030 @16MHz - Optional FPU |
| RAM | 2x 30-pin SIMM Slots - 2MB Standard - 10MB Maximum |
| Hard Disk | 3.5" SCSI - 40 or 80MB Standard |
| Graphics | Unknown |
| Audio | Internal Speaker |
| Internal Drives | - Auto inject 3.5" 1.44MB Floppy Drive |
| Expansion | None |
| Networking | None |
| Other I/O | - 1x ADB - 2x Serial - 1x DB25 SCSI - 1x External Floppy Port - 1x Line Out - 1x Mic In |
| PRAM Battery | 1/2AA Lithium |
| Original Mac OS | System 6.0.8L |
| Maximum Mac OS | Mac OS 7.6.1 |
Upgrades
SSD Upgrade
Check our page on SCSI SSD replacements for more info.
Resources
 Service Manual |
 Logic Board Schematic |
Capacitor Reference |
|---|
Common Faults & Maintenance
PRAM Battery Leaks
The Lithium PRAM battery in the Classic II is very prone to leaking and should be removed.
Capacitors
The Classic II's logic board and analog board uses electrolytic capacitors that always fail and leak. You must replace them for reliable operation.
Page last updated (MM/DD/YYYY): 09/26/2024
Update Reason: page rewritten
Back-Navigation
Home < Macintosh Portal < Compact Mac < Classic II