Standard, extended, or adjustable keyboard connected through
either of two ADB ports
Maximum power draw for all ADB devices: 500 mA
Keyboard draws 25–80 mA
ADB Mouse II; mechanical tracking optical shaft or contact
encoding (low power)
Draws up to 80 mA
Optional electret, omnidirectional microphone
Microphone output voltage is 4 mV peak to peak at normal value
Mini phone plug connector
SpecificationsSound and Video - 9
Sound and Video
Video Display
Supports Apple monitors, including
• Macintosh 12-in. Monochrome Display
• Macintosh 12-in. RGB Display
• AppleColor High-Res RGB 14-in. Monitor
• Macintosh Color Display
• Macintosh 15-in. Portrait Display
• Macintosh 16-in. Color Display
• Apple Two-Page 21-in. Monochrome Monitor
• Macintosh 21-in. Color Display
Supports NTSC and PAL
Supports VGA monitors (640 pixels by 480 pixels only) and
SVGA monitors (800 pixels by 600 pixels only) with appropriate
adapter cable
SpecificationsSound and Video - 10
Sound
Custom sound chip supports stereo playback from compact discs
and computer-generated stereo sounds through stereo output
port
Monaural sound input port
SpecificationsElectrical - 11
Electrical
Line V oltage
Line Frequency
Power
100–240 VAC
50–60 Hz
112 W (not including monitor)
SpecificationsPhysical - 12
Physical
Dimensions
Weight
Height: 3.4 in. (85 mm)
Width: 16.3 in. (415 mm)
Depth: 4.2 in. (107 mm)
14.0 lb. (6.4 kg)
SpecificationsEnvironmental - 13
Environmental
Operating
Temperature
Storage
Temperature
Relative Humidity
Altitude
10–40°C (50–104°F)
–40 to 47°C (–40 to 116.6°F)
10–90% (noncondensing)
0–10,000 ft. (0–3,048 m)
K
Service Source
Troubleshooting
Macintosh Quadra 610/Centris
610/WS 60
TroubleshootingGeneral/ - 1
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.
TroubleshootingSymptom Charts/Video - 2
Symptom Charts
Video
Screen is dark, audio
and at least one drive
operate, fan is
running, and LED is
lit
1Reset PRAM.
2Adjust brightness on monitor.
3Check cables.
4Replace monitor. Refer to appropriate monitor manual to
1Switch off system and hold mouse button down while
switching on the system
2Eject disk manually.
3Replace floppy drive cable.
4Replace floppy drive.
TroubleshootingSymptom Charts/Floppy Drive
(Continued)
- 6
Floppy drive
attempts to eject disk
but doesn’t
Floppy Drive
1Push floppy disk completely in.
2Eject floppy disk manually.
3Replace floppy drive.
(Continued)
TroubleshootingSymptom Charts/Hard Drive - 7
Hard Drive
Internal hard drive
runs continuously
Internal hard drive
does not operate
1Replace SCSI data cable.
2Replace internal hard drive.
3Replace logic board. Retain customer’s SIMMs.
1Replace SCSI data cable.
2Replace SCSI power cable.
3Check power to the hard drive.
4Replace hard drive.
5Replace logic board. Retain customer’s SIMMs.
TroubleshootingSymptom Charts/CD-ROM Drive - 8
CD-ROM Drive
CD-ROM drive does
not accept a compact
disc
Macintosh does not
display CD-ROM
drive icon
Compact disc won’t
eject from the drive
1Exchange disc (if disc is dirty or damaged).
2Replace 50-pin ribbon cable.
3Replace CD-ROM drive mechanism.
1Verify that CD-ROM extension is in System Folder.
2Verify the disc is in the drive correctly.
3Replace CD-ROM drive mechanism.
4Replace power supply.
5Replace SCSI data cable.
1Manually eject the compact disc.
2Press the eject button behind the front bezel (if it is
accessible).
3Replace CD-ROM drive mechanism.
TroubleshootingSymptom Charts/Peripheral - 9
Peripheral
Works with internal
or external SCSI
device, but does not
work with both
Cursor does not move1Reboot computer.
1Verify that SCSI select switch on any external device is set
differently from any internal SCSI device setting.
2Verify that hard drive is terminated but optional CD-ROM is
not terminated.
3Replace terminator on external hard drive.
4Replace SCSI select cable on external SCSI device.
2Verify that mouse is connected properly.
3Reset PRAM.
4If mouse was connected to keyboard, connect mouse to
computer ADB port instead. If mouse works, replace
keyboard.
5If mouse does not work in any ADB port on computer, replace