The following specs were posted to the nets, and certainly aren't officially from Apple. Still, they jibe pretty much with what I've heard.
Model 6100/60 7100/66 8100/80
Processor PPC601 PPC601 PPC601
Speed 60 MHz 66 MHz 80 MHz
Cache Optional Optional 256K standard
Performance 25% faster 200% faster
Native 2-4x 68040/33 than 6100/60 than 6100/60
Emulated fast 030-040
RAM 8 MB standard 8 MB standard 8 MB standard
DRAM exp. 72 MB 136 MB 264 MB
SIMM Slots 2 4 8
Expansion Slots One 7" NuBus 3 full size 3 full size
NuBus NuBus
Storage
Standard 160 to 250 MB 250 to 500 MB 250 MB to 1 GB
Floppy 1.4 MB w/DMA 1.4 MB w/DMA 1.4 MB w/DMA
CD-ROM Optional Optional Optional
Video
DRAM video Standard Standard Standard
VRAM 1 MB standard 2 MB standard
VRAM exp. 2 MB 4 MB
Standard Support 1 monitor 2 monitors 2 monitors
SCSI High-speed High-speed High-speed
asynch asynch asynch
Dual SCSI
channels
Networking Ethernet on-board w/DMA channel, AAUI connector
Other Built-ins
16-bit audio stereo in/out with DMA
2 serial ports-LocalTalk and GeoPort compatible, with DMA
Channel Apple Desktop Bus (ADB for input devices)
AV Models 6100/66AV, 7100/66AV, 8100/80AV
Video-in NTSC, PAL, SECAM
Video in resizable window
Frame and video capture
Video-out NTSC, PAL
VRAM 2 MB standard, not expandable
Interface S-video for video in/out
Composite (RCA) adapters included
Software
System 7.1.2 Macintosh OS with AppleScript
PC Exchange & QuickTime.
PlainTalk text-to-speech and speech recognition software
MS-DOS/Windows 3.1 with Insignia Solutions SoftWindows
software with some models
Other
SIMMs 72-pin, 80 ns or faster, installed in pairs
CD-ROM AppleCD 300i
Power 100-240 volts, 50-60 Hz
EnergyStar-compliant (7100/66, 8100/80)
Logic Board Upgrades
Models 6100/60
7100/66
8100/80
Includes 8 MB DRAM, same interface, audio, and video
Expansion Same as applicable model
Hard Drive 160 MB minimum recommended
DRAM DRAM from upgraded system must be 72-pin,
80 ns or faster, installed in pairs
Software System 7.1.2, AppleScript, PC Exchange,
QuickTime
AV Logic Board Upgrades
Models 6100/60AV
7100/66AV
8100/80AV
Includes Upgrade included 8 MB DRAM & same interfaces as
applicable model
Other Same expansion, HD, DRAM, and software specs
as non-AV logic board upgrades
Video-in NTSC, PAL, SECAM
Video in resizable window
Frame and video capture
Video-out NTSC, PAL
Interface S-video for video in/out
Composite (RCA) adapters included
Power Macintosh Upgrade Card
Upgrade Card
Processor PPC601
Speed Twice the clock speed of host motherboard
Slot Motorola 68040 PDS
Cache 1 MB
AV technologies not supported.
Host Macintosh Resources
DRAM 8 MB min., uses DRAM on motherboard
Interfaces None on card, uses host interfaces
Expansion Requires NuBus slot in line with 040
PDS empty to install card
Software System 7.1.2 with AppleScript, PC Exchange
and QuickTime
Supports booting Mac with host 040
or PPC601
Availability Concurrent with introduction of PowerMac
