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Power Macintosh 6100

2,033 bytes added, 30 June
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[[File:6100 with mon.jpg|thumb]]
The 6100/60 model can run Apple's System 7.1.2 software which is the first release of the system software capable of running on PowerPC. The minimum for the 6100/66 model is said to be [[System 7.5]].
=SpecsGeneral Information=
Available with either a 60MHz or 66MHz [[PowerPC 601]] processor. A 256KB L2 cache upgrade is standard on the 66MHz version and was optional on the original 60MHz model.
Introduced in March 1994, the PowerMac 6100 was the first Mac to be powered by a PowerPC processor. An optional AV configuration was available. The 6100 came in a Centris 610-style low-profile case, cost $1,700, and was "speed bumped" to 66 Mhz in January 1995. The 6100/66 was discontinued at the end of 1995. The 6100/66 DOS was also available, with a 66 Mhz 486DX/2 processor card, and was discontinued in early 1996. The 6100 was also offered bundled with a monitor and various hard drives, as the Performa 6110CD, 6112CD, 6115CD, 6116CD, 6117CD, and 6118CD. Codename: Piltdown Man. Originally shipped with a PowerPC specific version of system software 7.1.2. ===CPU===The CPU bus is the standard 64-bit nonpipelined bus used by the PowerPC 601 processor.  ===Expansion===
Allows for a single expansion card, either [[NuBus]] or PDS depending which adapter is installed. Common expansion cards found in these systems:
* 486DX2/66 PC compatibility card (PDS)
* Power Macintosh HPV Card (PDS) - DB15 video output, expandable VRAM
The Power Macintosh 6100 [[NuBus]] adapter card gives the Power Macintosh 6100/60 a NuBus expansion capability. The adapter card contains the BART NuBus controller chip that is included on the main logic board of the other Power Macintosh models. It plugs into the PDS slot of the Power Macintosh 6100/60 and accepts one short (7-inch) NuBus card, which lies parallel to the main logic board. ===Memory===
The board includes 8MB RAM and two slots for 72-pin memory, 80ns or faster. The originally documented maximum memory is 72MB via two 32MB memory sticks, though larger sizes may also work. SIMMs must be installed in pairs of the same size and speed. Install noncomposite SIMMS only.
Power Macintosh computers contain 4 MB of ROM with 100-ns access time. Some of the system software that was on disk in previous Macintosh computers is in ROM in Power Macintosh models.
All Power Macintosh models accept an external second-level cache on a SIMM. The second-level cache size may range from 128 KB to 256 KB. The Power Macintosh 8100/80 is shipped with all 256 KB already installed; users of other models in the Power Macintosh family can install a second-level cache by plugging a SIMM into a 160-pin connector on the main logic board. The high-speed memory controller (HMC) interrogates two pins of this connector during system startup, to determine the size of the memory on the SIMM. If no SIMM is installed, pull-up resistors on these pins cause the HMC to disable all external cache operations.
=DOS Compatible=
Apple's DOS and Windows drivers support an Apple-compatible CD-ROM, folder sharing and clipboard sharing. Early versions of PC support software for the DOS card also included video drivers for MS-DOS applications such as AutoCAD or WordPerfect. MS-DOS and Windows are installed from the standard installation disks or CD-ROMs provided by [[Microsoft]].
'''PC Setup 1.0.2:''' This is the last downloadable release that supports the Houdini I card. The downloadable software from Apple only includes the PC Setup control panel, so you may need to hunt around for DOS drivers or experiment with those provided with PC Setup 1.5 or 1.6.4.
* License Name: FREE
* License Site: 469
See [[PcSetup 2.x]] for downloads and information.
* Heat inside the case can be an issue, especially with the model including the 486 card. You may want to outfit a case fan somewhere inside to help move air.
* If the heatsink compound on the CPU has not been replaced since the original manufacturing, the CPU may overheat and destroy itself. It is recommended that it be cleaned and replaced.
[[File:Powermac 6100 series.png]]
* [[Power Macintosh 6100/WS 6150 Service Source]]
* [[Power Macintosh 6100/7100/8100 Developer Note]]
=See Also=
* [[Apple Computer]]
=External Resources=
* - Apple Service PDF

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