Apple Macintosh Powermac Performa 400 series Service Manual

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Service Source

Macintosh Performa 400

Series

Macintosh Performa 400/405, Macintosh

Performa 410, Macintosh Performa 430,

Macintosh Performa 450, Macintosh Performa

460/466/467, Macintosh Performa 475/476

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Service Source

Specifications

Macintosh Performa 400 Series

Specifications Processor - 1

Processor

Performa 400/405/ 410/430

Performa 450

Motorola 68030 microprocessor
16 MHz
16-bit internal data bus
Burst-mode RAM access

Motorola 68030 microprocessor
25 MHz
32-bit internal data bus
Burst-mode RAM access
Coprocessor socket

Specifications Processor - 2

Performa 460/466/ 467

Performa 475/476

Motorola 68030 microprocessor
33 MHz
32-bit internal data bus
Burst-mode RAM access
Coprocessor socket

Motorola 68LC040 microprocessor
25 MHz
32-bit internal data bus
Burst-mode RAM access

Specifications Memory - 3

Memory

DRAM

ROM

Performa 400/405/410/430: 4 MB standard, expandable to 10

MB (100 ns or faster SIMMs)

Performa 450: 4 MB standard, expandable to 36 MB (80 ns or

faster SIMMs)

Performa 460/466/467: 4 MB standard, expandable to 36 MB

(80 ns or faster SIMMs)

Performa 475/476: 4 MB or 8 MB standard, expandable to 36

MB (80 ns or faster SIMMs)
Performa 400/405/410/430: 512 K
Performa 450/460/466/467/475/476: 1MB

Specifications Memory - 4

VRAM

Performa 400/405/410/430: 512K VRAM SIMM
Performa 450: 512K VRAM SIMM, upgradable to 768 MB
Performa 460/466/467: 512K VRAM, upgradable to 768 MB
Performa 475/476: 512K VRAM SIMM, upgradable to I MB

Specifications Disk Storage - 5

Disk Storage

Floppy Drive

Performa 400/405/430: Apple SuperDrive 1.4 MB Floppy Disk

Drive
Performa 410: Apple SuperDrive Manual Insert Floppy Disk

Drive
Performa 450: Apple SuperDrive 1.4 MB Floppy Disk Drive
Performa 460/466/467: Apple SuperDrive Manual Insert

Floppy Disk Drive
Performa 475/476: Apple SuperDrive 1.4 MB Floppy Disk Drive

or Apple SuperDrive Manual Insert Floppy Disk Drive

Specifications Disk Storage - 6

Hard Drive

Performa 400: 40 or 80 MB
Performa 405/410: 80 MB
Performa 430: 120 MB
Performa 450: 120, 80 MB
Performa 460: 80, MB
Performa 466/467/475: 160 MB
Performa 476: 160 or 230 MB

Note:

Hard drive configurations at computer introduction.

Specifications I/O Interfaces - 7

I/O Interfaces

Serial

SCSI

Apple Desktop Bus

Video

Sound

Two RS-232/RS-422 serial ports; mini DIN-8 connectors

SCSI interface; DB-25 connector

One ADB port; mini DIN-4 connector

One DB-15 monitor port for built-in video; DA-15 connector

Sound input port for monaural sound input; mini phono plug
Performa 475/476: mono sound input port, stereo output port;

mini phono plug

Specifications I/O Interfaces - 8

Expansion Connector

Performa 400/405/410/430: 96-pin processor-direct slot

(PDS) supporting 020/030 direct slot expansion card
Performa 450: 114-pin PDS supporting 020/030 direct slot

expansion card
Performa 460/466/467: 114-pin PDS supporting 020/030

direct slot expansion card
Performa 475/476: 114-pin expansion slot supporting 030/

040 expansion cards. Accepts Macintosh LC compatible I/O

display, network, and video capture cards. Does not support

030 processor accelerator or cache cards.

Specifications I/O Devices - 9

I/O Devices

Keyboard

Mouse

Microphone

Apple Keyboard, Apple Keyboard II, Apple Extended Keyboard II

or Apple Adjustable Keyboard connected through ADB ports

(mini DIN-4)

ADB mouse and Apple Desktop Bus Mouse II connected through ADB

ports (mini DIN-4)

Electret, omnidirectional
Operates on 8 VDC supplied by microphone port on CPU

Specifications Sound and Video - 10

Sound and Video

Sound

Monaural, 8-bit sound input at 11 or 22 Khz
Monophonic, 8-bit sound generator supplying same signal to both

channels of stereo equipment

Specifications Sound and Video - 11

Video

Performa 400, bundled with Performa Display.39 VGA monitor
Performa 405, bundled with Performa Display.39 VGA monitor
Performa 430, bundled with Performa Display Plus.29 VGA

monitor
Performa 410, bundled with Performa Display.39 VGA monitor
Performa 450, bundled with Performa Display Plus.29 VGA

monitor
Performa 460, bundled with Performa Display.39 VGA monitor
Performa 466/467, bundled with Performa Display Plus.29 VGA

monitor
Performa 475/476, bundled with Performa Display Plus.29 VGA

monitor

Specifications Electrical - 12

Electrical

Line V oltage

Frequency

Maximum Power

100–240 VAC, automatically configured

50–60 Hz

Performa 400: 50 W (not including monitor)
Performa 450: 30 W
Performa 475/6: 26 W

Specifications Physical - 13

Physical

Dimensions

Weight

Height: 3.0 in. (7.7 cm)
Width: 12.2 in. (31.0 cm)
Depth: 15.0 in. (38.2 cm)

8.8 lb. (4.0 kg)

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Service Source

Troubleshooting

Macintosh Performa 400 Series

Troubleshooting General/ - 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.

Troubleshooting Symptom Charts/Error Chords - 2

Symptom Charts

Error Chords

Eight-tone error
chord sounds during
startup

Four-tone error
chord sounds during
startup

1 Replace SIMMs.
2 Replace logic board. Retain customer’s SIMMs.
3 Perform SIMM verification on replacement logic board.

1 Disconnect hard drive power cable and hard drive data cable

and reboot system. If startup sequence is normal, run
“Macintosh Hard Disk Test” and replace hard drive if
necessary.

2 Disconnect floppy drive cable and reboot system. If startup

sequence is normal, replace floppy drive.

3 Replace logic board. Retain customer’s SIMMs.

Troubleshooting Symptom Charts/Built-in Video - 3

Built-in Video

No video Check batteries. See “Battery Verification” in Additional

Procedures.

Screen is dark, audio
and at least one drive
operate, fan runs,
and LED is lit

Screen is dark, audio
and drive do not
operate, but fan runs
and LED is lit

1 Adjust brightness on monitor.
2 Replace monitor. Troubleshoot defective monitor. See

Symptom Charts in appropriate monitor manual.
3 Replace video cable.
4 Replace VRAM SIMM.
5 Replace logic board. Retain customer’s SIMMs.
6 Replace power supply.

1 Remove expansion card, if present
2 Remove peripherals.
3 Replace SIMMs. Refer to Hardware/Memory.
4 Replace logic board. Retain customer’s SIMMs.
5 Replace power supply.

Troubleshooting Symptom Charts/Built-in Video - 4

Partial or whole
screen is bright and
audio is present, but
no video information
is visible

Screen is completely
dark, fan is not
running, and LED is
not lit

1 Replace video cable.
2 Replace monitor.
3 Replace logic board. Retain customer’s SIMMs.

1 Check batteries. See “Battery Verification” in Additional

Procedures.
2 Plug monitor directly into wall socket. Verify that monitor

has power.
3 Remove expansion card, if present.
4 Remove peripherals.
5 Replace power supply.
6 Replace logic board. Retain customer’s SIMMs.

Troubleshooting Symptom Charts/Built-in Video - 5

Vertical lines,
horizontal lines, or
snow appears on
screen, or screen is
completely dark;
startup tone is
normal

1 Replace video cable.
2 Replace monitor.
3 Replace VRAM SIMM. Refer to Hardware/Memory
4 Replace logic board. Retain customer’s SIMMs.
5 Replace power supply.

Troubleshooting Symptom Charts/Floppy Drive - 6

Floppy Drive

Audio and video are
present, but internal
drive does not operate

Disk ejects; display
shows Mac icon with
blinking “X”

Disk does not eject 1 Switch off system and hold mouse button down while

1 Replace floppy drive cable.
2 Replace floppy drive.
3 Replace logic board. Retain customer’s SIMMs.

1 Replace disk with known-good system disk.
2 Replace floppy drive cable.
3 Replace floppy drive.
4 Replace logic board. Retain customer’s SIMMs.

switching system back on.
2 Eject disk manually by pushing opened paper clip into hole

beside drive slot.
3 Replace floppy drive cable.
4 Replace floppy drive.

Troubleshooting Symptom Charts/Floppy Drive - 7

Drive attempts to
eject disk, but doesn’t

1 Push disk completely in.
2 Eject disk manually by pushing opened paper clip into hole

beside drive slot.
3 Remove top cover and try ejecting disk. If disk ejects, be

sure top cover is replaced correctly and securely.
4 Replace floppy drive.

Troubleshooting Symptom Charts/Hard Drive - 8

Hard Drive

Internal hard drive
runs continuously

Internal hard drive
does not operate

1 Make sure System is version 7.0.1 (or later) for Macintosh

Performa 400 or version 7.1 or later for other Performa

400 Series computers.
2 Replace internal hard drive.
3 Replace logic board. Retain customer’s SIMMs.

1 Replace hard drive data cable.
2 Replace hard drive power cable.
3 Replace internal hard drive.
4 Replace logic board. Retain customer’s SIMMs.