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Apple Macintosh Centris 650 vs Apple Macintosh Performa 5400/160

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AppleMacintosh Centris 650AppleMacintosh Performa 5400/160
Overview
Released19931996
Performance
ProcessorMotorola 68040 25 MHz (Macintosh Centris 650) or Motorola 68LC040 25 MHz (Macintosh Centris 650)PowerPC 603e (160 MHz, Macintosh Performa 5400/160)
CPU cores11
Memory4 MB16 MB
Storage–1.6 GB
CPU25 MHz Motorola 68040 or 68LC040; the latter has no floating-point unit160 MHz PowerPC 603e with integrated floating-point and memory management units, 32 KB L1 cache and 64-bit memory bus. Optional High Performance Module adds 256 KB L2 cache; it is not standard. Current Apple support gives a 40 MHz data path clock.
GPUBuilt-in video with 512 KB VRAM, expandable to 1 MB; supports an external monitor through a 15-pin video connector1 MB DRAM framebuffer independent of system RAM. Shared Service Source explicitly supports 640 × 480 at 60 or 67 Hz and 800 × 600 at 60 or 72 Hz with 16-bit colour; 832 × 624 at 75 Hz uses 8-bit colour and does not support video input. Current support additionally lists 1024 × 768, but the exact technical specification and shared service manual restrict the built-in CRT to 832 × 624; the higher database row is not adopted as the built-in display resolution.
Memory type4 or 8 MB minimum RAM depending on configuration, with four SIMM slots; up to 136 MB16 MB standard, comprising 8 MB soldered RAM and one 8 MB DIMM. Two 168-pin 64-bit DIMM slots allow expansion to 136 MB with two 64 MB modules. Use 70 ns or faster fast-paged-mode DIMMs with 1K or 2K refresh. Modules can be installed individually. 4 MB ROM.
Storage typeApple's system fact sheet lists 80–500 MB internal SCSI hard drives and a 1.44 MB floppy drive; an internal CD-ROM drive was optionalExact 160 MHz maker specification, ordering description and Service Source configuration agree on a 1.6 GB IDE hard drive, Apple SuperDrive 1.44 MB floppy drive and internal 8× AppleCD CD-ROM drive. November 1996 Apple Facts gives a 1.2 GB drive for the broader 160/180 Performa family; that unqualified family figure is not transferred to the exact configuration.
Expansion slotsThree NuBus slots and one processor-direct slot; a PDS card occupies the position of one NuBus cardOne PCI slot for a 6.88-inch, 15 W card; communications slot occupied by the supplied modem; optional video-input card and TV/FM tuner bay. Optional Apple External Video Connector enables mirroring; optional Apple Presentation System provides NTSC/PAL output. NuBus cards cannot be used in the PCI slot.
Display
ScreenNone built in12.8″
Resolution–832 × 624
Panel–CRT
Refresh rate–75 Hz
Display type–15-inch nominal RGB CRT with 12.8-inch viewable diagonal and 0.28 mm dot pitch. Noninterlaced flat square tube. Base tilts from −5° to +15° and swivels 360°. Resolution can be changed without restarting.
Design and power
TypeCompactAll-in-one
Weight–21 kg
Width × depth × height330 × 419 × 152 mm383 × 406 × 445 mm
Operating systemmacOSmacOS
Size and weight detail–Exact maker specification gives 445 × 383 × 406 mm (height × width × depth) and 21 kg. Its 17.5 × 15.1 × 16 inches and 47 lb are retained as maker-rounded equivalents. Apple Facts notes weight varies with installed internal devices; no shipping-package mass is used.
Power supply–220 W maximum continuous input, nominal 110–240 V AC at 50–60 Hz, single phase. Low-power sleep mode supported. Current maker table gives a 4.5 V alkaline clock battery; maximum input is not normal operating consumption.
In the boxApple's original developer note documents the 68040 and 68LC040 configurations. Current Apple support article 112207 describes a later PowerPC upgrade-card configuration and is excluded.System 7.5.3 with System Enabler 410, Apple Guide, QuickTime, Macintosh PC Exchange and QuickDraw 3D. Exact October 1996 ordering description and November Apple Facts dealer catalogue establish retail offering in 1996; precise first-sale month or day remains unestablished. Apple's recorded introduction is 5 August 1996. Service Source identifies sale in Japan, Australia and Europe; not sold in the US. This 160 MHz configuration is distinct from the existing Power Macintosh 5400/120, 5400/180 and 5400/200. No unsupported official predecessor link assigned.
Connections
Ports–2 × headphone jack
Front ports–Headphone output and volume controls; built-in infrared remote capability. Remote-control inclusion varies with regional configuration.
Back portsTwo Apple Desktop Bus ports, two serial ports, external SCSI, video, audio input and output; Apple AUI Ethernet was optionalOne ADB port; two GeoPort-compatible RS-232/422 serial ports, including LocalTalk support; DB-25 SCSI; stereo sound input and rear stereo sound output. Optional DB-15 external-video connector, not a standard fitted port. Built-in 28.8 Kbit/s V.34 data/fax/voice modem supports MNP4, V.42, MNP5 and V.42bis; optional Ethernet replaces the communications-slot modem. No USB or FireWire.
External displays–Optional external-video connector provides mirroring of the built-in screen. Connector kit, suitable cable and external display required; external video does not establish an independent second desktop.
SpeakersBuilt-in mono speaker with stereo audio output jackBuilt-in stereo speakers and 16-bit stereo sound with SRS 3D surround enhancement. Shared service manual identifies separate front and rear stereo output jacks. Headline jack count excludes the sound-input port.
Microphones–Built-in microphone and stereo sound-input port; the input also supports an external Apple PlainTalk microphone. Shared manual explicitly excludes the earlier Apple Omni microphone from this input.
Keyboard and mouse–Exact maker ordering description includes keyboard, mouse and necessary cables; the CRT, microphone, speakers, modem, CD-ROM, floppy drive and hard drive are built into the computer. Optional TV/FM and video hardware varies by regional bundle.

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