RetroTechCollection

Power Macintosh 6100 DOS Compatible


The Power Macintosh 6100 DOS Compatible is a variant of the Power Macintosh 6100 that includes a NuBus card with an Intel 486DX2 processor, allowing it to run DOS and Windows software alongside Mac OS.[1]

Power Macintosh 6100 DOS Compatible
Power Macintosh 6100 DOS Compatible
Specifications
ManufacturerApple Computer, Inc.
TypePersonal Computer
ReleasedMarch 14, 1994
DiscontinuedJanuary 3, 1995
Intro priceUS$1,820 – $2,350
CPUPowerPC 601 @ 60 MHz + Intel 486DX2 @ 66 MHz
Memory8 MB or 16 MB RAM (expandable to 136 MB)
Storage160 MB or 250 MB SCSI hard drive
DisplayExternal (640×480 at 16-bit)
Sound—
OS / FirmwareSystem 7.1.2 – Mac OS 9.1 / DOS/Windows
PredecessorMacintosh Centris 610
SuccessorPower Macintosh 6200
CodenamePDM (Piltdown Man)
Model no.M1596

Hardware Overview

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Dual Processors

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The DOS Compatible version features both a PowerPC 601 processor at 60 MHz for Mac OS and a 66 MHz Intel 486DX2 processor on a NuBus card for DOS/Windows. The PC compatibility card can have a maximum of 32 MB of RAM dedicated to the DOS/Windows operating system.

Processor and Memory

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The PowerPC 601 runs at 60 MHz with a 30 MHz system bus. It has a 32-bit processor with a 64-bit data path. The system includes 32K of L1 cache and supports optional 256K L2 cache.

RAM uses 72-pin SIMMs at 80 ns minimum speed. The system has 8 MB of onboard RAM and 2 SIMM slots (SIMMs must be installed in matching pairs). Maximum RAM is officially 72 MB, but can reach 136 MB with two 64 MB SIMMs plus the onboard memory. 640K of system RAM is dedicated to video function.

Storage

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The system includes a 160 MB or 250 MB internal SCSI hard drive. A 2X CD-ROM drive is optional (standard in some configurations). A 1.44 MB floppy drive is standard.

Display

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The system supports a single external display at 512×394 or 640×480 at 16-bit, or 832×624 at 8-bit. A second display can be added with an expansion video card.

Expansion

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By default, the expansion slot is occupied by the PC compatibility card. Without the card, the system has a single 601 PDS or 7" NuBus slot (NuBus available with PDS-to-NuBus adapter).

Networking

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AAUI-15 Ethernet is standard. Two Geoport serial ports (printer and modem) are included.

Case Design

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The 6100 uses the low-profile Macintosh Centris 610 case form factor.

General Maintenance

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For detailed maintenance practices, refer to the General Maintenance page (shared hardware with Performa 6100 series).

Troubleshooting

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For troubleshooting information, see the Troubleshooting page.

Capacitor Replacement Guide

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For capacitor replacement guidelines, see the Capacitor Replacement Guide.

See Also

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References

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  1. ↑ Power Macintosh 6100/60 (PC) Specs, EveryMac.com—link(accessed 2026-02-10)


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