The Macintosh Quadra 610 is a 68040-based desktop "pizza-box" computer that was released in October 1993.
| Spec | Details |
|---|---|
| Release Date | October 1993 |
| Discontinuation Date | May 1994 |
| Processor | Motorola 68040 @25MHz |
| RAM | 2x 72-pin SIMM Slots - 8MB Standard - 68MB Maximum |
| Hard Disk | 3.5" SCSI - 160 or 230MB Standard |
| Graphics | 512K or 1MB VRAM |
| Audio | Internal Speaker |
| Internal Drives | - Auto inject 3.5" 1.44MB Floppy Drive - Optional 2X CD-ROM |
| Expansion | - 1x PDS or 1x NuBus w/ adapter |
| Networking | AAUI Ethernet |
| Other I/O | - 2x ADB - 2x Serial - 1x DB25 SCSI - 1x DB15 Video Out - 1x Line Out - 1x Mic In |
| PRAM Battery | 1/2AA Lithium |
| Original Mac OS | System 7.1 |
| Maximum Mac OS | Mac OS 8.1 |
Check our page on SCSI SSD replacements for more info.
![]() Service Manual |
Capacitor Reference |
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The Lithium PRAM battery in the 610 is very prone to leaking and should be removed.
The 610's logic board uses electrolytic capacitors that often fail and leak. I would highly, highly recommend replacing them. The power supply also often needs recapping.