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Power Macintosh 4400

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Power Macintosh 4400
Power Macintosh 4400-200 front
Power Macintosh 4400/200. Photo: All About Apple museum, Wikimedia Commons, CC BY-SA 3.0
Specifications
ManufacturerApple Computer, Inc.
TypeDesktop personal computer
Released7 November 1996 (4400/160); 17 February 1997 (4400/200 and 7220/200); 4 April 1997 (4400/200 PC Compatible)
DiscontinuedFebruary 1998 (Low End Mac)
CPUPowerPC 603e at 160 or 200 MHz; 40 MHz bus
Memory16 or 32 MB; three 168-pin 3.3 V unbuffered EDO DIMM slots; 96 MB (160 MHz) or 160 MB (200 MHz) maximum
Storage1.2 GB (4400/160) or 2 GB (4400/200) IDE hard drive
Display—
Sound16-bit stereo input and output
Graphics1 MB EDO video DIMM, expandable to 4 MB with an SGRAM DIMM; DB-15 port
ROM4 MB
Media8× ATAPI CD-ROM (12× on the PC Compatible model); 1.4 MB SuperDrive
Ports / interfaceADB, two GeoPort serial, SCSI (DB-25), DB-15 video, sound in and out; 10BASE-T Ethernet on 200 MHz models
ExpansionPCI adapter card: three PCI slots (4400/160) or two PCI slots and a communications slot II (4400/200); L2 cache slot
Power90–270 V AC, set by a manual voltage switch
Dimensions139 × 385 × 442 mm (5.43 × 15.12 × 17.37 in)
Weight24 lb
OS / FirmwareSystem 7.5.3 with System Enabler 827; supported to Mac OS 9

The Power Macintosh 4400 is a desktop Macintosh with a PowerPC 603e processor, sold from November 1996 as the 160 MHz 4400/160 and from February 1997 as the 4400/200. Apple's service manual describes it as "an entry-level computer", and names the same machine the Power Macintosh 7220/200 in the Far East.[1] Wikipedia describes it as built from off-the-shelf parts, including an IDE hard drive and an ATX-style power supply, around a "Tanzania" logic board that Apple had designed but used before only in Mac OS clones.[2] Low End Mac gives the code names Cupid and Tanzania and notes that the 4400 is the only Power Macintosh with its floppy drive on the left.[3]

Models

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Power Macintosh 4400 models
Model Introduced (Apple) Clock RAM range Hard drive Notes
4400/160 7 November 1996 160 MHz 16–96 MB 1.2 GB Three PCI slots; no Ethernet; optional L2 cache; "not sold in the U.S."
4400/200 17 February 1997 200 MHz 16–160 MB 2 GB Two PCI slots and a communications slot II; 10BASE-T Ethernet
4400/200 PC Compatible 4 April 1997 200 MHz 32–160 MB 2 GB Cyrix 6x86 PC Compatibility Card in the long PCI slot; 12× CD-ROM; Windows 95 included
7220/200 17 February 1997 200 MHz 16–160 MB 2 GB The 4400/200 under its Far East name; "not sold in the U.S."

Sources: Apple's specification pages for each model.[4][5][6][7] The service manual lists the 4400/160 as "Europe Only" and the 7220/200 and 7220/200 PC for the Far East (p. 1); Low End Mac says the 7220 was the Australian name.[1][3]

The 4400/200 differs from the 4400/160 in four ways according to Apple: a communications slot II on the PCI adapter card, two PCI slots in place of three, the 200 MHz clock and a 160 MB memory ceiling (p. 4).[1]

Hardware

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Apple's figures for the Power Macintosh 4400
Item Figure
Processor PowerPC 603e with built-in FPU at 160 or 200 MHz; 40 MHz system bus; 64-bit ROM data bus (pp. 21–22)
RAM No RAM on the logic board. Three slots for 64-bit, 168-pin, 3.3 V unbuffered EDO DIMMs, 60 ns or faster. 4400/160: 16 MB standard, each slot up to a 32 MB bank, 96 MB maximum. 4400/200 and 7220/200: 32 MB standard, first slot up to 32 MB and the other two up to 64 MB each, 160 MB maximum. Slot 1 takes single-bank DIMMs only (pp. 13–14, 23)
Video 120-pin video DIMM slot: 1 MB EDO DIMM standard; 1 or 2 MB EDO or 1, 2 or 4 MB SGRAM supported; depending on the video memory fitted, up to 800 × 600 at 16 bits and 1152 × 870 at 8 bits; built-in 2D acceleration (pp. 15, 24, 28)
ROM and PRAM 4 MB ROM; 8K parameter memory (p. 24)
Level-2 cache Optional 256K, on a 160-pin DIMM card (p. 24)
Drives 1.4 MB SuperDrive; 8× ATAPI CD-ROM; 1.2 GB (4400/160) or 2 GB (4400/200) IDE hard drive. Apple says IDE drives must be replaced "like for like" (pp. 10, 25)
Ports One ADB (three devices); two RS-232/RS-422 GeoPort serial ports; one SCSI port for up to seven external devices; DB-15 monitor port; 3.5 mm sound in and out, 16-bit stereo, up to 44.1 kHz (pp. 26–30)
PCI PCI 2.0 cards with Mac OS drivers, mounted horizontally on an adapter card; 45 W combined for the three slots of the 4400/160. NuBus, LC PDS and 5200/6200 I/O-slot cards do not fit (pp. 11–12, 27)
Electrical 90–270 V AC, switchable 110/220 V, 47–63 Hz; 200 W maximum, not including the display; Energy Star (p. 31)
Physical 5.43 × 15.12 × 17.37 in (139 × 385 × 442 mm); printed weight "24 lb. (9.5 kg)" (p. 32)
Environment Operating 10–40 °C; 20–95 % humidity, non-condensing; altitude to 3,048 m (p. 33)

Source: the service manual, at the pages given.[1] Apple's specification pages give 150 W maximum and 3 A for the supply, where the manual gives 200 W; the pages also list 256K of L2 cache as standard on the 4400/200, where the manual calls it optional.[5] The manual's 24 lb and 9.5 kg do not agree (24 lb is about 10.9 kg). Low End Mac gives 2 MB of video memory for the 4400/200, against Apple's 1 MB EDO DIMM.[3]

Power Macintosh 4400 logic board diagram (Apple Service Source)
Apple's logic board diagram: video DIMM slot, processor with heat sink, L2 cache slot, ROM, PCI adapter slot, battery, power supply sockets and three DRAM slots (Service Source p. 19)

Voltage switch

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The supply is switched by hand. Set it with a screwdriver to "115" for 100–130 V or "230" for 200–230 V; Apple says it "must be set correctly to avoid damaging the computer", and the manual prints a table of mains voltages by country. Setting the switch does not change the monitor's supply (pp. 5–8).[1] Wikipedia quotes MacWEEK's review on the point: Apple had "abandoned automatic switching in the power supply".[2]

Key commands and power

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The 4400 has no programmer's switches. Hold the keyboard Power key and press Command for interrupt, or Control-Command for reset, for at least a second. The machine turns on from the keyboard Power key or from the power button on the front (p. 9).[1]

Clock battery

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Apple's specification pages give the battery as 4.5 V alkaline. It sits on a hook-and-loop base with a plug-in lead, and Apple's test is to replace it below 3.0 V on the 10 V DC range (pp. 121–124). On 4400s sold in Germany the battery is in a different place under the cache card, and Apple's procedure ends by pressing the reset switch on the logic board (pp. 128–130).[1][5] Low End Mac warns that Tanzania-based machines "will not boot with a dead PRAM battery", so change the battery before condemning the power supply of a dead 4400.[3] Alkaline leakage is caustic; see Battery Explosion, Capacitor or Corrosion Damage.

Known faults

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Apple's symptom charts include two faults it says affect only early European 4400s (pp. 40, 44):[1]

  • After a restart, two monitors used for video mirroring show black or grey. Unplug the monitor on the PCI video card and restart, or turn mirroring off before shutting down and back on after start-up.
  • The hard drive is not recognised because of an IDE bus termination problem. Make sure the CD-ROM interface cable is connected, then check the hard drive cables.

The front power button and LED wires run under the floppy/CD-ROM carrier and are "easily cut" when the carrier slides across them; Apple's chart for a machine that starts from the keyboard but not the front button begins with checking that cable for cuts (pp. 37–38, 76).[1] The full charts are on Power Macintosh 4400 Troubleshooting.

Service parts

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Power Macintosh 4400 parts (Apple exploded view, p. 132)
Part Apple part number
Logic board 661-1291 (160 MHz), 661-1408 (200 MHz)
Power supply 661-1248
PCI adapter card 922-2656 (160 MHz), 922-2725 (200 MHz)
Hard drive 661-1139 (1.2 GB), 661-1255 (2 GB)
CD-ROM drive 661-1317, 661-1413
Floppy drive 661-0121
SCSI connector 922-2658
Front bezel 922-2657
Housing assembly (chassis, LED, power button, fan/speaker housing, fan, speaker, drive carriers, top housing, link bar) 922-2862

Source: exploded view.[1]

Maintenance and repair

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Apple publishes no component-level parts list for the 4400; the service manual works at module level.[1]

Documentation

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References

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  1. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 Apple Computer, Service Source: Power Macintosh 4400 (1997), File:Powermac_4400.pdf; see Power Macintosh 4400 Service Source. Page numbers are PDF pages: cover p. 1, System Overview p. 3, 4400/200 and 7220/200 p. 4, Voltage Switch pp. 5–8, Key Commands p. 9, CD-ROM and Hard Drive Interface p. 10, PCI pp. 11–12, DIMMs pp. 13–14, Video RAM p. 15, Logic Board p. 19, Specifications pp. 21–33, Symptom Charts pp. 36–50, Take Apart pp. 52–99, Upgrades pp. 101–119, Additional Procedures pp. 121–130, Exploded View p. 132.
  2. ↑ 2.0 2.1 Wikipedia, "Power Macintosh 4400". Sold November 1996 to February 1998; off-the-shelf components including an IDE hard drive and an ATX-style power supply; "Tanzania" logic board previously used only in clones; 4400/160 sold only in Europe.
  3. ↑ 3.0 3.1 3.2 3.3 Low End Mac, "Power Mac 4400 and 7220" (LEM Staff). Code names Cupid and Tanzania; floppy drive on the left; "The 4400 and other Tanzania-based clones will not boot with a dead PRAM battery"; 160 and 200 MHz models discontinued February 1998.
  4. ↑ Apple, "Power Macintosh 4400/160: Technical Specifications". 603e at 160 MHz; data path 64-bit, 40 MHz; L2 optional; 3 PCI slots; Ethernet none; 150 max watts; battery type 4.5 V alkaline; 16–96 MB; introduced 11/7/1996; Gestalt ID 514; "This system is not sold in the U.S."; 1.2 GB ATA; 8x CD.
  5. ↑ 5.0 5.1 5.2 Apple, "Power Macintosh 4400/200: Technical Specifications". 603e at 200 MHz; L2 256K; 2 PCI, comm II; 10baseT; 150 max watts, 3 A; battery type 4.5 V alkaline; 16–160 MB; introduced 2/17/1997; Gestalt ID 515; System 7.5.3 with System Enabler 827; supported to Mac OS 9; 2 GB ATA; 8x CD.
  6. ↑ Apple, "Power Macintosh 4400/200 PC Compatible: Technical Specifications". Second processor Cyrix P166 6x86; "The 12-inch PCI slot is occupied by the PC Compatibility card"; 32–160 MB; introduced 4/4/1997; 12x CD; includes Windows 95.
  7. ↑ Apple, "Power Macintosh 7220/200: Technical Specifications". As the 4400/200; introduced 2/17/1997; "This system is not sold in the U.S."