Apricot Qi 900

Motherboard Layout
Motherboard Revision History
Motherboard Revision Summary
Parts List

Disk Drives
Ethernet Options
Additional Options
Rear Panel
Product Code Prefix

Information sourced from Mitsubishi Electric's Insight CD pages.


The Qi 900 has the same external appearance as Qi 300 and Qi 600 but utilises Intel's 80486DX processor chip.

Bus Architecture MCA
Processor Intel 80486DX
Video EVGA Onboard
Memory 1 MB to 16 MB Using SIMMs
Floppy Disk Drive 3.5" Internal
Hard Disk Drive 100 MB to 380 MB (SCSI)
Networking Via Expansion Card
Security Onboard
Expansion Options 3x or 4x 16-bit slots
2x 32-bit slots
External 5.25" Floppy
80387DX Maths Co-Processor
120 MB Internal Tape Drive

Disk Drives

Hard Disk Drives

MB Make Model Type Part Number
50 Quantum LPS52S SCSI 14588431
100 Quantum LPS105S SCSI 14588331
380 IBM 0661 SCSI 14771431

Tape Drives

MB Make Model Type Part Number
120 Irwin 3.5" XB45915

Floppy Drives

MB Make Model Type Part Number
2 MB 3.5"

Ethernet Options

Via Expansion Card Only.

Additional Options

Apricot LOC Technology security.

Rear Panel

Product Code Prefix

Product Code prefix - SB

Content created and/or collected by:
Louis F. Ohland, Peter H. Wendt, David L. Beem, William R. Walsh, Tatsuo Sunagawa, Tomáš Slavotínek, Jim Shorney, Tim N. Clarke, Kevin Bowling, and many others.

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Last update: 08 May 2024 - Changelog | About | Legal & Contact