Editing Macintosh Quadra 630 (section)

== Memory and Storage ==

=== RAM Configuration ===

The Quadra 630 has 4 MB of RAM soldered directly to the logic board. A single 72-pin SIMM slot accepts modules up to 32 MB, for a maximum of 36 MB total RAM.<ref>{{cite web |url=https://everymac.com/systems/apple/mac_quadra/specs/mac_quadra_630.html |title=Macintosh Quadra 630 Specs |publisher=EveryMac.com |access-date=2026-02-10}}</ref>

Supported SIMM speeds: 80ns or faster. The system supports 4, 8, 16, or 32 MB SIMMs.

=== ROM and System Software ===

The Quadra 630 contains a 1 MB ROM. It shipped with System 7.1.2 and supports up to Mac OS 8.1.

=== Storage Systems ===

The Quadra 630 was the first Quadra to use IDE (ATA) for its internal hard drive, departing from the SCSI standard used in previous Quadras. The base configuration included a 250 MB IDE drive.

An internal expansion bay accommodates either a second hard drive, a CD-ROM drive, or an optional Apple TV/Video System card with analog video input.<ref>{{cite web |url=https://lowendmac.com/1994/macintosh-quadra-630/ |title=Macintosh Quadra 630 |publisher=Low End Mac |access-date=2026-02-10}}</ref>