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Power Macintosh 7500

A Low End Mac Best Buy

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Overview

Apple introduced a brand new case design with the 7200 and 7500, one with a slide-off cover, an extra internal drive bay, and a flip-up drive/power supply assembly, providing easy access to the motherboard.

What most differentiated the 7500 from the 7200 was a slot for a CPU daughter card. By pulling the 100 MHz PPC 601, the 7500 can be quickly upgraded to a faster, more efficient PPC 604, 604e, or 750.

The 7500 also has video in ports on the rear.

Details

• 7500/100 introduced August 8, 1995 at $2,800; discontinued May 18, 1996
• requires System 7.5.2 (with System Enabler 701 v1.2) or later
• CPU: 100 MHz PPC 601
• bus: 40-50 MHz
• performance: varies by daughter card
• ROM: 4 MB
• RAM: 16 MB, expandable to 1 GB using DIMMs (8 sockets available)
• VRAM: 2 MB, expandable to 4 MB
• Video: supports resolutions to 1152x870
• L2 cache: 256 KB standard, can be expanded to 1 MB
• SCSI: internal fast SCSI bus (to 10 MBps), external SCSI bus (to 5 MBps)
• CD-ROM: 4x
• PCI slots: 3
• ADB port for keyboard and mouse
• DIN-8 GeoPorts on back of computer
• DB-25 SCSI connector on back of computer
• AAUI and 10Base-T ethernet connectors on back of computer
• upgrade path: CPU daughtercard, possibly to G3 motherboard
• power: 150W
• height: 6.15 in
• width: 14.4 in
• depth: 16.9 in
• weight: 22.0 lb
• PRAM battery: 3.6V lithium
• Gestalt ID: 68

Accelerators & Upgrades

• New Type of G3 Daughter Card, Mac Daniel, 5/20
• CPU daughtercards, see especially G3 Daughter Cards

Online Resources

• I Want to Upgrade My 7500, Mac Daniel
• Upgrade your Power Mac with a PCI video card, Accelerate Your Mac
• Guide to G3 Daughter Cards
• What's the Best Used Mac?, Mac Daniel
• What about 7500 Upgrades?, Mac Daniel
• Upgrading a Power Mac 7200 and 7500, Mac Daniel
• Bare Feats hot rods a 7500
• Accelerate Your Mac describes installing a PCI SCSI card and two-drive RAID array.
• Apple Specs for Power Mac 7500/100

Cautions

• Because of the way the internal SCSI cable is routed in the 7300-7600, it is very easy for it to come loose from the motherboard while opening the case. Should this happen, be sure to plug it back into SCSI bus 0, not SCSI bus 1 (which is for the slower external SCSI port).
• G3 upgrade cards unstable?, MacWeek

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