Apple Macintosh Powermac Performa 9500 Service Manual
K
Service Source
Power Macintosh 9500
Series
Power Macintosh 9500/120, 9500/132, 9500/150,
9500/180MP, and 9500/200
K
Service Source
Basics
Power Macintosh 9500 Series
Basics Overview - 1
Overview
The Power Macintosh 9500 Series computers are based on
the PowerPC 604 microprocessor and support the
industry-standard PCI (Peripheral Component
Interconnect) bus specification. These computers are the
most flexible, expandable, and highest-performance
systems from Apple to date.
The microprocessor for the Power Macintosh 9500 Series
computers is on separate plug-in card, which allows for
easy upgrades. The Power Macintosh 9500 family includes
five versions: the 9500/120, the 9500/132, the
9500/150, the 9500/180MP (multi-processor), and the
9500/200.
Basics Overview - 2
Features of the Power Macintosh 9500 Series include
• 120, 132, 150, 180 (multi-processor) or 200 MHz
PowerPC 604 microprocessor card with built-in FPU
• Six PCI expansion slots
• 10 MB per second internal SCSI channel, 5 MB per
second external SCSI channel
• 512K Level 2 cache
• DRAM expansion up to 1536 MB using 168-pin, 70 ns,
64-bit DIMMs
• A PCI Apple Accelerated Graphics card included with
some configurations (the Power Macintosh 9500 Series
does not include on-board video support)
• Built-in AAUI and 10BASE-T Ethernet
• AppleCD™ 600i 4x or1200i 8x CD-ROM drive
• CD-quality stereo sound in/out
• Mac™ OS system software 7.5.2, 7.5.3, or 7.5.3
Revision 2
Basics Configurations - 3
Configurations
The Power Macintosh 9500/120 comes standard with
• 120 MHz PowerPC 604 processor card
• 16 MB DRAM minimum
• 1 GB hard drive
• AppleCD 600i CD-ROM drive
• Apple Accelerated Graphics card with 2 MB of VRAM
The Power Macintosh 9500/132 comes standard with
• 132 MHz PowerPC 604 processor card
• 16 MB DRAM minimum
• 2 GB hard drive
• AppleCD 600i CD-ROM drive
Basics Configurations - 4
The Power Macintosh 9500/150 comes standard with
• 150 MHz PowerPC 604 processor card
• 16 or 32 MB DRAM minimum
• 2 GB hard drive
• AppleCD 600i CD-ROM drive
The Power Macintosh 9500/180MP comes standard with
• 180 MHz PowerPC 604e multi-processor card
• 16 or 32 MB DRAM minimum
• 2 GB hard drive
• AppleCD 1200i 8x-speed CD-ROM drive
The Power Macintosh 9500/200 comes standard with
• 200 MHz PowerPC 604e processor card
• 16 or 32 MB DRAM minimum
• 2 GB hard drive
• AppleCD 1200i 8x-speed CD-ROM drive
Basics PowerPC 604 Microprocessor - 5
PowerPC 604 Microprocessor
The Power Macintosh 9500 Series computers feature the
highest performance PowerPC processor available: the
PowerPC 604 RISC microprocessor. Designed to bring
unprecedented levels of performance to desktop computers,
the Power PC 604 processor offers up to 1.5 times the
performance of the PowerPC 601 processor at the same
clock speed. Features include
• Full RISC processing architecture
• Parallel processing units: one load-store unit, two
integer units, one complex integer unit, and one floating
point unit
• Separate built-in caches for data and instructions, 16
KB each, four-way set associative
• Advanced branching techniques for improved throughput
Basics Multi-Processor Support - 6
The PowerPC 604 processor is installed via a processor
card that plugs into the Macintosh 9500 Series logic board,
allowing for maximum flexibility with future upgrades.
Multi-Processor Support
The Power Macintosh 9500/180MP features two 180 MHz
PowerPC 604e chips on its microprocessor card. This
computer provides extremely rapid performance for
applications that can take advantage of its coprocessing
capabilities.
Basics Peripheral Component Interconnect (PCI) - 7
Peripheral Component Interconnect (PCI)
The Power Macintosh 9500 Series computers offer a
Peripheral Component Interconnect (PCI) expansion bus.
Because the PCI bus is an industry standard, most existing
PCI 2.0-compliant cards (with the addition of a Mac OSspecific software driver) will work in the Power Macintosh
9500 Series computers.
PCI offers significantly higher performance than the NuBus
architecture used in previous Macintosh models. Running at
33 MHz, the PCI bus is up to three times faster than NuBus,
offering overall enhanced system performance, particularly
in the areas of video and networking.
Basics Dual In-Line Memory Modules (DIMMs) - 8
Dual In-Line Memory Modules (DIMMs)
The Power Macintosh 9500 Series computers use DRAM
Dual In-Line Memory Modules (DIMMs) instead of DRAM
SIMMs.
Whereas SIMMs have 72 pins, DIMMs have 168 pins. The
extra pins provide a 64-bit data path, compared to a 32-bit
data path for SIMMs. In addition, DIMMs do not have to be
installed in pairs like the SIMMs on earlier Macintosh
models. (However, to take advantage of memory
interleaving, the DIMMs should be installed in paired slots.
See "Memory Configurations" in Basics for more
information.)
Important:
used in previous Macintosh models are NOT compatible with
The Single In-Line Memory Modules (SIMMs)
Basics Dual In-Line Memory Modules (DIMMs) - 9
the Power Macintosh 9500 Series computers.
Note:
There is a double click seating process for installing
DRAM DIMMs. Be sure to push the DIMMs all the way into
the DIMM slots.
Basics Memory Configurations - 10
Memory Configurations
The Power Macintosh 9500 Series logic board has 12 DRAM
DIMM slots, each with a 64-bit data bus. You can increase
the computer’s DRAM to a total of 1536 MB using 5-volt,
64-bit-wide, 168-pin fast-paged mode, 70 ns DIMMs.
When installing DRAM DIMMs in the Power Macintosh
9500, fill slot A6 first, followed by B6, then A5, followed
by B5, and so on. DRAM DIMMs can be installed individually;
however, to take advantage of memory interleaving, which
provides maximum performance, you must install the
DIMMs in matching pairs and in paired slots (A6 and B6
first, then A5 and B5, and so on). DIMMs purchased from
different manufacturers can be paired as long as they are the
same size and speed.
Note
: Memory interleaving allows the computer to read or
Basics Memory Configurations - 11
write to its memory while other memory reads or writes
are occurring, thus providing for faster performance.
The graphic on the following page illustrates the memory
locations on the Power Macintosh 9500 logic board.
Basics Memory Configurations - 12
B6 slot
B5 slot
B4 slot
B3 slot
B2 slot
B1 slot
A6 slot
A5 slot
A4 slot
A3 slot
A2 slot
A1 slot
(front of
Computer)
Figure: Power Macintosh 9500 Memory Locations
Basics Ethernet Support - 13
Ethernet Support
There are two Ethernet ports on the Power Macintosh 9500
Series logic board: an AAUI port and a 10BASE-T port. You
can use only one Ethernet port at one time, however. If you
have cables plugged into both Ethernet ports, the computer
uses the 10BASE-T port by default.
PC Compatibility Cards
Apple computer offers two PC Compatibility Card upgrade
kits that bring full DOS functionality to the Macintosh
computer. Two versions of the PC Compatibility card are
available: a 7" card and a 12" card. The cards plug into any
available PCI slot on the logic board. Refer to the Upgrades
chapter in this manual for installation instructions.
Basics GeoPort - 14
GeoPort
Geoport is a hardware and software communications architecture that has been optimized for computer-telephony
integration. It has three main attributes:
• It lets any computer connect to any telephone (analog or
digital, public or private) anywhere in the world.
• Once connected, it supports an arbitrary number of
independent data streams up to a total bandwidth of 2 MB/
second.
• Unlike traditional asynchronous data communications
(such as AppleTalk), GeoPort also supports isochronous
data streams (such as real-time voice and video) and
provides the real-time Application Program Interfaces
(APIs) necessary to hide the implementation details
from both the recipient and the sender.
Basics GeoPort - 15
By attaching an Apple GeoPort Telecom Adapter to the Power
Macintosh 9500, you can enjoy all the features of a 14.4
modem, including data, fax, send and receive, and voice
capabilities. The GeoPort Telecom Adapter serves as a line
interface to standard (analog) telephone lines. The adapter is
capable of sending or receiving data at up to 14.4 kbps and
faxes at up to 9600 bps using the GeoPort Telecom Adapter
software.
Basics The Cuda Chip - 16
The Cuda Chip
The Cuda is a microcontroller chip. Its function is to
• Turn system power on and off
• Manage system resets from various commands
• Maintain parameter RAM (PRAM)
• Manage the Apple Desktop Bus (ADB)
• Manage the real-time clock
Many system problems can be resolved by resetting the Cuda
chip (see Symptom Charts for examples). Press the red
Cuda reset button on the logic board to reset the Cuda chip.
(See "Logic Board Diagram" later in this chapter to locate
the Cuda reset button.) If you continue to experience system
problems, refer to “Resetting the Logic Board” in this
Basics chapter.
Basics Resetting the Logic Board - 17
Resetting the Logic Board
Resetting the logic board can resolve many system problems
(refer to "Symptom Charts" for examples). Whenever you
have a unit that fails to power up, you should follow this
procedure before replacing any modules.
1 Unplug the computer.
2 Remove the logic board. (Refer to the Take Apart chapter
for instructions on how to remove the logic board.)
3 Using a small flat-blade screwdriver, pry open the latch
at the end of the battery holder and lift off the battery
holder cover.
4 Remove the battery from its holder.
Basics Resetting the Logic Board - 18
5 Verify the power supply cable is disconnected from the
logic board and then press the Power On button. (See
"Logic Board Diagram" later in this chapter to locate the
Power On button.)
6 Wait at least 10 minutes before replacing the battery.
Make sure the battery is installed in the correct +/direction.
7 Reassemble the computer and test the unit.
Note:
This procedure resets the computer’s PRAM. Be sure
to check the computer’s time/date and other system
parameter settings afterwards.
Note:
If this procedure resolves the problem, claim an
adjustment on an SRO. If not, replace the defective
component and DO NOT claim the adjustment procedure.
Basics Fast SCSI - 19
Fast SCSI
The Power Macintosh 9500 Series computers offer Fast
SCSI support on the internal SCSI connector, which provides
for significantly enhanced data throughput. The internal
SCSI bus on these computers supports transfer rates up to
10 MB/sec.
Basics Rear View Diagram - 20
Rear View Diagram
The Power Macintosh 9500 Series computers offer the
following external ports: SCSI, AAUI Ethernet, 10BASE-T
Ethernet, serial printer (GeoPort compatible), serial
modem (GeoPort compatible), ADB, sound input, and sound
output.
Some configurations of the Power Macintosh 9500 also
includes a DB-15 video port on the Apple Accelerated
Graphics card, which installs in one of the PCI slots on the
logic board.
The drawing on the next page illustrates the rear panel on
the Power Macintosh 9500 Series computers.
Basics Rear View Diagram - 21
SCSI
AAUI Ethernet
10BASE-T Ethernet
Printer
Modem
ADB
Sound In
Sound Out
PCI Slots
Figure: Power Macintosh 9500 Rear Panel
Basics Logic Board Diagram - 22
Logic Board Diagram
The graphic on the following page illustrates the connectors
on the Power Macintosh 9500 Series logic board.
Note:
The board ships with 4 MB of ROM, which may either
be soldered or installed as a ROM SIMM.
Basics Logic Board Diagram - 23
Internal SCSI
External
SCSI
AAUI
Ethernet
10BASE-T
Ethernet
Printer/
Modem
Cuda Reset
ADB
Sound
In/Out
Slots
Fan
PCI
Power
Supply
Speaker
CD-ROM
Audio
Floppy
Drive
Power Supply
Power Macintosh 9500 Logic Board
Battery
DRAM
DIMM
Slots
ROM
SIMM
DRAM
DIMM
Slots
ROM (4 MB)
Processor
Card Slot
Power LED
Power On/Off
K
Service Source
Specifications
Power Macintosh 9500 Series
Specifications Processor - 1
Processor
9500/120
9500/132
9500/150
PowerPC 604 RISC microprocessor running at 120 MHz
Built-in FPU
Requires system software version 7.5.2 or later with System
Enabler version 701
PowerPC 604 RISC microprocessor running at 132 MHz
Built-in FPU
Requires system software version 7.5.2 or later with System
Enabler version 701
PowerPC 604 RISC microprocessor running at 150 MHz
Built-in FPU
Requires system software version 7.5.3 or later with appropriate
System Enabler
Specifications Processor - 2
9500/180MP
9500/200
Two PowerPC 604e RISC microprocessors each running at
180 MHz
Built-in FPU
Requires system software 7.5.3 Revision 2 or later
PowerPC 604e RISC microprocessor running at 200 MHz
Built-in FPU
Requires system software 7.5.3 Revision 2 or later
Specifications Memory - 3
Memory
DRAM
ROM
Cache
Clock/Calendar
16 or 32 MB standard; expandable to 1536 MB
Uses 168-pin, 64-bit, 70 ns or faster DRAM DIMMs
4 MB ROM (may be installed in ROM SIMM slot, or soldered on the
logic board)
512K Level 2 cache soldered on the logic board
CMOS custom circuitry with long-life battery
Specifications I/O Interfaces - 4
I/O Interfaces
SCSI
Serial
ADB
Ethernet
Dual-channel asynchronous SCSI interface; external channel
supports up to seven SCSI devices; internal channel supports a
hard disk array
Two RS-232/RS-422 serial ports compatible with LocalTalk and
GeoPort cables; mini DIN-8 connectors
One Apple Desktop Bus port for a keyboard, mouse, etc.
One AAUI and one 10BASE-T Ethernet port (if cables are plugged
into both ports, system defaults to 10BASE-T)
Loading...