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Centris 610, 650 & 660AV: Differences
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What are the major differences between the Macintosh Centris 610, the Centris 650 and the Centris 660AV?
The information in this article relative to the Centris 610 and Centris 650 is also relevant to the Quadra 610 and Quadra 650.
The information in this article relative to the Centris 610 and Centris 650 is also relevant to the Quadra 610 and Quadra 650.
The major differences between the Centris models are:
Feature: Centris 610: Centris 650: Centris 660AV:
-------- ------------ ------------ --------------
Processor MC68040 @20 MHz MC68040 @25 MHz MC68040 @25 MHz
DRAM Expansion 4 MB to 68 MB 4 MB to 132 MB 8 MB to 68 MB
DRAM Slots 2 slots 4 slots 2 slots
DRAM Speed 80 ns(nanoseconds) 80 ns 70 ns
DRAM SIMM Sizes# 4,8,16 & 32 MB 4,8,16 & 32 MB 4,8,16 & 32 MB
DRAM SIMM Type 72-pin 72-pin 72-pin
Ethernet Optional Optional Standard
FPU None Optional Standard
ROM Size 1 MB 1 MB 2 MB
Maximum VRAM 1 MB (512K stnd) 1 MB (512K stnd) 1 MB (I MB stnd)
VRAM Slots 1 slot 1 slot 1 slot
VRAM Speed 80 ns(nanoseconds) 80 ns 80 ns
NuBus Slots 1! 3 1*
PDS Slot% Yes Yes Yes
Notes:
# Composite SIMMs are not supported.
! With optional Centris 610 NuBus Adapter Card installed.
* With optional Centris 660AV NuBus Adapter Card installed.
% On the Centris 610 and 660AV models, the PDS Slot is the Expansion
Slot - it can either be used as PDS slot or as a NuBus slot with the appropriate NuBus Adapter Card installed.
The Macintosh Centris 610 and 660AV share the same type of enclosure (form factor) which is a flat, rectangular "pizza" box. The Macintosh Centris 650 uses a Macintosh IIvx style desktop box.
Additionally, the Macintosh Centris 660AV boasts a number of additional features not found in the Centris 610 & 650 including:
* An on-board DSP (Digital Signal Processor) Chip
* GeoPort Communications Architecture
* Composite and S-Video input and output ports
* Sound input and output ports
Feature: Centris 610: Centris 650: Centris 660AV:
-------- ------------ ------------ --------------
Processor MC68040 @20 MHz MC68040 @25 MHz MC68040 @25 MHz
DRAM Expansion 4 MB to 68 MB 4 MB to 132 MB 8 MB to 68 MB
DRAM Slots 2 slots 4 slots 2 slots
DRAM Speed 80 ns(nanoseconds) 80 ns 70 ns
DRAM SIMM Sizes# 4,8,16 & 32 MB 4,8,16 & 32 MB 4,8,16 & 32 MB
DRAM SIMM Type 72-pin 72-pin 72-pin
Ethernet Optional Optional Standard
FPU None Optional Standard
ROM Size 1 MB 1 MB 2 MB
Maximum VRAM 1 MB (512K stnd) 1 MB (512K stnd) 1 MB (I MB stnd)
VRAM Slots 1 slot 1 slot 1 slot
VRAM Speed 80 ns(nanoseconds) 80 ns 80 ns
NuBus Slots 1! 3 1*
PDS Slot% Yes Yes Yes
Notes:
# Composite SIMMs are not supported.
! With optional Centris 610 NuBus Adapter Card installed.
* With optional Centris 660AV NuBus Adapter Card installed.
% On the Centris 610 and 660AV models, the PDS Slot is the Expansion
Slot - it can either be used as PDS slot or as a NuBus slot with the appropriate NuBus Adapter Card installed.
The Macintosh Centris 610 and 660AV share the same type of enclosure (form factor) which is a flat, rectangular "pizza" box. The Macintosh Centris 650 uses a Macintosh IIvx style desktop box.
Additionally, the Macintosh Centris 660AV boasts a number of additional features not found in the Centris 610 & 650 including:
* An on-board DSP (Digital Signal Processor) Chip
* GeoPort Communications Architecture
* Composite and S-Video input and output ports
* Sound input and output ports
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