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K Service Source
LC 630/Quadra 630/ Performa 640
Macintosh LC 630, Macintosh LC 630 DOS Compatible, Macintosh Performa 640 DOS Compatible, Macintosh Quadra 630
K Service Source
Basics
LC 630/Quadra 630/Performa 640
Basics |
General Information - 2 |
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General Information
Macintosh LC 630 and Macintosh Quadra 630 Computers
The Macintosh LC 630 and Macintosh Quadra 630 computers are highperformance, low-cost modular computers with multimedia features. The LC 630 uses the Motorola 68LC040 processor. The Quadra 630 uses the Motorola 68040, which includes a floating point unit. The computers ship with the manual insert floppy drive, an IDE hard drive, and an optional trayloading CD-ROM drive.
Basics |
General Information - 3 |
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Macintosh LC 630, DOS-Compatible
The LC 630 DOS-Compatible computer adds to the basic 630 design the ability to simultaneously run the Macintosh operating system and PC application programs. The DOSCompatible computer ships with three boards and a DRAM SIMM installed on the main logic board. The three boards are the DOS-compatible board, a daughterboard for sound, and a DOS-Compatible adapter board in the Processor Direct Slot (PDS).
Basics |
General Information - 4 |
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Performa 640 DOS-Compatible
The Performa 640 DOS-Compatible is based on the Macintosh LC 630-DOS Compatible computer.
The Performa 640 DOS-Compatible is bundled with a 500 IDE hard drive and the trayloading double-speed CD-ROM drive.
As you go through this manual, consider the Macintosh LC 630 DOS-Compatible information as applicable to the Performa 640 LC DOS-Compatible unless specified otherwise.
Basics |
General Information - 5 |
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User Controls
User controls include:
• Soft power-on control from keyboard
• Front panel sound-control push buttons
• Optional infrared remote control
Basics General Information - 6
Internal Expansion Connections
Four types of expansion slots on the logic board include:
• DRAM SIMM expansion slot (1 or 2 slots)
• LC PDS slot (already populated in the LC 630 DOSCompatible).
• Communications slot for modems and Ethernet
• Video-in slot for real-time video display, capture, and overlay
In addition to expansion slots on the logic board, there is an expansion ribbon connector for an optional TV tuner card. The TV-tuner connector provides NTSC and PAL input from an external TV antenna or cable.
Basics |
General Information - 7 |
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IDE (Intelligent Device Electronics)
The internal hard drive uses IDE (Intelligent Device Electronics) technology, commonly used in DOS-compatible systems.
The internal IDE hard drive functions the same as a typical SCSI hard drive. You must replace IDE drives like for like.
The IDE drive does not affect SCSI ID selections or SCSI termination schemes.
Seven external SCSI devices may be daisy chained through the external SCSI port.
Basics |
General Information - 8 |
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Plastic Panel Design
The computer is designed for easy service. Plastic panels cover the metal bottom case, the metal top cover shield, and the left, right, and rear sides of the metal case.
To service the logic board, simply remove the rear plastic panel and slide out the logic board. To access the drives, simply remove the front plastic panel.
Basics |
Rear View Diagram - 9 |
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Rear View Diagram |
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TV Tuner |
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Access Cover |
Monitor Port |
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Standby Power Button
Security |
Power |
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Lock Port |
Socket |
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Basics |
I/O Door Diagrams - 10 |
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I/O Door Diagrams
Video-In Card Access Cover
Communication Card
Access Cover
PDS Expansion Card
Access Cover
ADB Port |
SCSI Port |
Sound Output Port |
Printer Port |
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Sound Input Port |
Modem Port |
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630 Series Computers
Basics Logic Board Diagrams - 11
Logic Board Diagrams
Video-In Card Access Cover
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Communication Card |
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Access Cover |
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DB-15 DOS- |
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CompatibleAdapter Connector |
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ADB Port |
SCSI Port |
Sound Output Port |
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Printer Port |
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Sound Input Port |
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Modem Port |
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Basics |
Shield/Wiring Harness - 12 |
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Shield/Wiring Harness
Video-In Card
Communications Slot
DRAM SIMM Slot |
PDS Expansion Slot |
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630 Series Computers
Basics |
Shield/Wiring Harness - 13 |
LC 630 DOS-Compatible Logic Board
DOS-Compatible Board
Main Logic Board
DRAM SIMM
DOS-Compatible Adapter Board
DOS-Compatible Sound Board
Basics |
Shield/Wiring Harness - 14 |
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Basics |
Shield/Wiring Harness - 15 |
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DB-15 Video Connector |
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26-Pin IR Connector20-Pin |
Monitor-Out |
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Floppy Drive |
Daughterboard |
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Connector |
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CD Audio |
6-Pin Header |
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to P/S |
Power
Connector
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4-Pin |
30-Pin |
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CD |
CD Connector |
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Audio |
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40-Pin IDE Connector |
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10-Pin TV Tuner Connector
K Service Source
Specifications
LC 630/Quadra 630/Performa 640
Specifications |
Processor - 2 |
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LC 630
Quadra 630
LC 630 DOS-
Compatible
Addressing
Processor
Motorola 68LC040 microprocessor 33 MHz
Motorola 68040 microprocessor (with floating point unit)
33 MHz
Motorola 68040, 33 MHz
80486DX2, 66 MHz
32-bit internal registers
32-bit address bus
32-bit data bus
Specifications Memory - 3
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Memory |
DRAM |
630 Series: 4 MB built in, 8 MB optional; expandable to 36 MB |
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(if logic board has only one SIMM slot, part number 661- |
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0158 ), or 52 MB (if logic board has two SIMM slots; one slot |
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is a regular SIMM slot and the other is a single-sided SIMM |
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slot, part number 661-1114). |
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LC 630 DOS-Compatible ships with 8 MB on main logic board (4 |
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MB built in and 4 MB DRAM SIMM in one slot). Maximum |
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addressable memory is 52 MB on the main logic board (4 MB |
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built in, 32 MB SIMM in one slot and 16 MB SIMM the second |
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slot). |
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DOS Compatible board ships with 4 MB SIMM . Maximum |
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addressable memory is 32 MB on the DOS-Compatible board. |
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Main logic board and DOS Compatible board require 72-pin, |
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80 ns or faster SIMMs. |
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Specifications |
Memory - 4 |
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DRAM Frame |
1 MB |
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Buffer |
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ROM |
1 MB |
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VRAM |
Video data are stored in the 1 MB DRAM frame buffer. The LC |
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630, Quadra 630, and LC 630 Dos-Compatible computers do |
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not support video memory expansion. |
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Specifications |
Disk Storage - 5 |
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Floppy Drive
CD-ROM Drive
Hard Drive
Disk Storage
1.4 MB Apple SuperDrive Manual Insert Optional Apple 300i Plus CD-ROM drive
630 Series: 250 MB or 350 MB IDE hard drive LC 630 DOS-Compatible: 500 MB IDE hard drive
Note: The internal IDE hard drive interface is new to Apple products. Macintosh 630 computers do not support internal SCSI hard drives.
Specifications |
I/O Interfaces - 6 |
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Serial
SCSI
Apple Desktop Bus
Video
I/O Interfaces
Two RS-232/422 serial ports; mini DIN-8 connectors
One external SCSI port; DB-25 connector
Supports up to six external SCSI devices
One Apple Desktop Bus (ADB) port; mini DIN-4 connector
One DB-15 monitor port on built-in video daughterboard
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Specifications |
I/O Interfaces - 7 |
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Sound |
Mono sound input port supports external microphone or |
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line-level inputs |
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Bias current for electret microphone |
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Stereo sound output jacks at front and rear |
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Processor-Direct Slot
Communications
Slot
Video-In Slot
630 Series: One 114-pin internal expansion slot for LC compatible processor-direct card
LC 630 DOS-Compatible: An adapter board occupies the LC processor-direct slot, providing a DB-15 connector for a PC/ AT game controller
One 112-pin internal expansion slot for modem and Ethernet
One 60-pin internal video-in slot for real-time video display, capture, and overlay
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Specifications |
I/O Interfaces - 8 |
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TV Tuner |
One 10-pin slot for TV tuner card |
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Controls |
Softpower-on control from keyboard |
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Front panel push button control for sound volume |
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Front panel stereo headphone jack |
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Optional infrared remote control |
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Specifications |
I/O Devices - 9 |
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I/O Devices |
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Keyboard |
Apple Extended Keyboard II (other ADB keyboards supported) |
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Mouse |
ADB Mouse II |
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Microphone |
Electret, omnidirectional |
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Operates on 8 VDC supplied by sound input on CPU |
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Specifications |
Sound and Video - 10 |
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Sound and Video |
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Sound |
8-bit monophonic sound input |
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8-bit stereo sound output (16-bit in CD mode), level nominally |
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0.5 V RMS into 39 ohms |
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Internal speaker muted when a plug is inserted into an output jack |
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Video |
Supports all Apple 12-inch, 13-inch, and 14-inch monitors, |
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Apple 15-inch multiple synchronous monitor, and VGA (640 x |
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480) monitors at maximum 16-bit per pixel |
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Supports Apple 16-inch and SVGA (800 x 600) monitors at |
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maximum 8-bit per pixel |
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Specifications |
Electrical - 11 |
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Electrical
Line Voltage
Frequency
Maximum Power
100-240 VAC
50-60 Hz
45 W, not including monitor
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Specifications |
Physical - 12 |
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Physical |
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Dimensions |
Height: 4.3 in. (10.95 cm) |
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Width: 16.5 in. (41.95 cm) |
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Depth: 12.6 in. (32 cm) |
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Weight |
Without CD-ROM: 17 lb. (7.7 kg) |
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With CD-ROM: 19 lb. (8.6 kg) |
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Weight varies with options |
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K Service Source
Troubleshooting
LC 630/Quadra 630/Performa 640
Troubleshooting |
General - 1 |
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General
The Symptom Charts included in this chapter will help you diagnose specific symptoms related to your product. Because cures are listed on the charts in the order of most likely solution, try the first cure first. Verify whether or not the product continues to exhibit the symptom. If the symptom persists, try the next cure. (Note: If you have replaced a module, reinstall the original module before you proceed to the next cure.)
If you are not sure what the problem is, or if the Symptom Charts do not resolve the problem, refer to the Flowchart for the product family.
For additional assistance, contact Apple Technical Support.
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