The information disclosed in this document, including all designs and related materials, is
the valuable property of NEC Computer Systems Division, Packard Bell NEC, Inc.
(hereinafter “NECCSD”) and/or its licensors. NECCSD and/or its licensors, as appropriate,
reserve all patent, copyright and other proprietary rights to this document, including all design, manufacturing,reproduction, use, and sales rights thereto, except to the extent said
rights are expressly granted to others.
The NECCSD product(s) discussed in this document are warranted in accordance with the
terms of the Warranty Statement accompanying each product. However, actual
performance of each such product is dependent upon factors such as system configuration,
customer data, and operator control. Since implementation by customers of each product
may vary, the suitability of specific product configurations and applications must be
determined by the customer and is not warranted by NECCSD.
To allow for design and specification improvements, the information in this document is
subject to change at any time, without notice. Reproduction of this document or portions
thereof without prior written approval of NECCSD is prohibited.
NEC is a registered trademark of NEC Corporation and FastFacts, MultiSync, and PowerMate are either trademarks or registered trademarks
of NEC Technologies, Inc.; these trademarks are used under license by Packard Bell, NEC.
All other product, brand, or trade names used in this publication are the trademarks or registered trademarks of their respective trademark
C-1Hard Disk Drive Specifications.......................................................................C-1
C-2IBM 3.2-GB IDE Hard Disk Jumper Settings.................................................C-3
D-1Specifications for Sixteen-Speed NEC CD-ROM Reader................................D-1
D-2Specifications for Sixteen-Speed Lucky Goldstar CD-ROM Reader ...............D-2
D-3Jumper A Settings (NEC CD-ROM Reader Only)..........................................D-4
D-4Jumper B Settings..........................................................................................D-5
xvii
Preface
This service and reference manual contains the technical information necessary to set up,
maintain, troubleshoot, and repair the NEC PowerMate P2166/P2200M Series computer
systems. It also provides hardware and interface information for users who need an
overview of the computer system design. The manual is written for NECCSD-trained
customer engineers, system analysts, service center personnel, and dealers.
The manual is organized as follows:
Section 1, Technical Information, provides an overview of the computer features,
hardware design, interface ports, internal devices and system unit specifications.
Section 2, Setup and Operation, gives general setup and operation information. Included
is a description of the system Setup utility and the factory default configuration settings. A
procedure is provided for logging onto the NECCSD Bulletin Board and obtaining the
latest Flash ROM BIOS.
Section 3, Options, provides safety precautions and installation procedures for installing
options.
Section 4, Maintenance and Troubleshooting, includes a list of NECCSD service
information and telephone numbers that provide access to the NECCSD Bulletin Board
System (BBS), FastFacts, and Technical Information Bulletins. Recommended maintenance
information and solutions to possible problems that may occur, are also provided.
Section 5, Repair, provides desktop and minitower disassembly and reassembly procedures
along with an illustrated parts breakdown. NECCSD service and spare parts ordering
information is also provided.
Appendix A, Connector Pin Assignments, provides a list of the system board’s internal
connector pin assignments and a list of external pin assignments for the keyboard/mouse,
serial port, parallel port, and video port.
Appendix B, Setting System Board Jumpers, provides jumper information for
configuring the system for a particular requirement.
Appendix C, Hard Disk Drive Specifications and Jumper Settings, provides
specifications and jumper settings for the hard disk drives that ship with the PowerMate
P2166M/P2200M Series systems.
Appendix D, CD-ROM Reader Specifications and Jumper Settings, provides
specifications and jumper settings for the CD-ROM readers that ship with the PowerMate
P2166M/P2200M Series systems.
Abbreviations
xix
Aampere
ACalternating current
ATadvanced technology (IPM PC)
BBSBulletin Board System
BIOSbasic input/output system
bitbinary digit
bpibits per inch
bpsbits per second
Ccapacitance
Ccentigrade
Cachehigh-speed buffer storage
CD-ROMcompact disk-ROM
clkclock
cmcentimeter
CMOScomplementary metal oxide
semiconductor
COMcommunication
CPUcentral processing unit
DACdigital-to-analog converter
DACKDMA acknowledge
dbdecibels
DCdirect current
DIPdual in-line package
DMAdirect memory access
DMACDMA controller
DOSdisk operating system
DRAMdynamic RAM
ECCerror checking and correction
ECPenhanced capabilities port (ECP)
EGAEnhanced Graphics Adapter
EPPEnhanced Parallel Port
EPROMerasable and programmable
ROM
FFahrenheit
FAXfacsimile transmission
FCCFederal Communications
Commission
FGframe ground
FMfrequency modulation
FRUfield-replaceable unit
GBgigabyte
GNDground
HEXhexadecimal
Hzhertz
ICintegrated circuit
IDidentification
IDEintelligent device electronics
in.inch
IPBillustrated parts breakdown
ISAIndustry Standard
Architecture
I/Oinput/output
ipsinches per second
IRinfrared
IRQinterrupt request
Kkilo (1024)
kkilo (1000)
KBkilobyte
kgkilogram
kHzkilohertz
lbpound
LEDlight-emitting diode
Mmega
mAmilliamps
maxmaximum
MBmegabyte
MFMmodified frequency
interface
MPCmultimedia PC
mmmillimeter
MPEGMotion Picture Experts
Group
xx Abbreviations
msmillisecond
NASCNational Authorized Service
Center
NCnot connected
NMINon-maskable Interrupt
nsnanosecond
NSRC National Service Response
Center
PALprogrammable array logic
PCpersonal computer
PCIPeripheral Component
Interconnect
PDApersonal digital assistant
PFPplastic flat package
PIOparallel input/output
pixelpicture element
PROMprogrammable ROM
RAMrandom-access memory
RAMDACRAM digital-to-analog converter
RGBred green blue
ROMread-only memory
rpmrevolutions per minute
Rread
RTCreal-time clock
R/Wread/write
Sslave
SCSISmall Computer System
Interface
SGsignal ground
SIMMsingle inline memory module
SVGASuper Video Graphics Array
SWswitch
TSCTechnical Support Center
TTLtransistor/transistor logic
tpitracks per inch
Vvolt
Vacvolts, alernating current
Vdcvolts, direct current
VESAvideo electronics standards
The PowerMate® P2166M/P2200M Series desktop and minitower systems come standard
with an Intel® Pentium™ multimedia extension (MMX™) processor, a 3 1/2-inch,
1.44 megabyte (MB) diskette drive, 256 kilobyte (KB) secondary cache, 16 MB or 32 MB
of random access memory (RAM), and 2 MB of synchronous graphics random access
memory (SGRAM).
The PowerMate P2200M system has a 200-MHz MMX processor and only comes in
minitower configurations. PowerMate P2166M systems include either a 166-MHz or
200-MHz MMX processor and come in minitower and desktop configurations.
PowerMate P2166M/P2200M Series system configurations are listed in Table 1-1 and
Table 1-2.
Table 1-1 PowerMate P2200M Minitower System
Configurations
Configurations Description
Non-multimedia 200-MHz Pentium MMX processor
3 1/2-inch diskette drive
2.0-GB hard disk
2 MB of SGRAM
16 MB of EDO RAM
256 KB secondary cache
Multimedia 200-MHz Pentium MMX processor
3 1/2-inch diskette drive
3.0-GB hard disk
Sixteen-speed CD-ROM reader
stem board w/audio
S
32 MB of EDO RAM
2 MB of SGRAM
256 KB secondar
20-watt speakers
Microphone
cache
Technical Information 1-2
y
y
y
y
Table 1-2 PowerMate P2166M System Configurations
Configurations Desktop Minitower
Non-multimedia 166-MHz Pentium MMX processor
3 1/2-inch diskette drive
2.0-GB hard disk
2 MB of SGRAM
16 MB of EDO RAM
256 KB secondary cache
Multimedia 166- or 200-MHz Pentium MMX
processor
3 1/2-inch diskette drive
3.0-GB hard disk
Sixteen-speed CD-ROM reader
stem board w/audio
S
32 MB of EDO RAM
2 MB of SGRAM
256 KB secondar
20 watt speakers
Microphone
S
32 MB of EDO RAM
2 MB of SGRAM
256 KB secondar
20 watt speakers
Microphone
cache
Each system incorporates power management features and uses factory installed software to
enhance the hardware features. Systems come with the Windows® 95 operating system preinstalled (hot-loaded) on the hard disk.
The following paragraphs give an overview of the desktop and minitower systems.
Differences between systems are noted as they occur.
Technical Information 1-3
DESKTOP SYSTEM CHASSIS
The desktop chassis provides an enclosure for the system board, power supply, four
expansion slots, a five-connector PCI/ISA backboard, and four storage device slots. The
expansion slots include two 8-/16-bit ISA slots, one dedicated 32-bit PCI slot, and one
shared PCI/ISA (32-bit PCI or 8-/16-bit ISA) slot.
The four storage device slots accommodate up to three accessible devices and one internal
hard disk drive device. The accessible devices include the standard one-inch high 3 1/2-inch
1.44-MB diskette drive and up to two 1.6-inch high 5 1/4-inch storage devices. The nonmultimedia hard disk systems ship with an accessible 3 1/2-inch diskette drive and an
internal 3 1/2-inch hard disk drive, leaving two accessible 5 1/4-inch storage device slots
available for optional devices. The multimedia systems ship with an accessible 3 1/2-inch
diskette drive, an internal 3 1/2-inch hard disk drive, and an accessible 5 1/4-inch CD-ROM
reader, leaving one accessible 5 1/4-inch storage device slot available for an optional device.
Figure 1-1 shows front panel features and locations of the accessible storage devices in a
desktop system. Multimedia systems come with a CD-ROM reader installed in the top
accessible device slot.
Figure 1-1 Desktop System Controls and Storage Device Slots
Technical Information 1-4
MINITOWER SYSTEM CHASSIS
The minitower chassis provides an enclosure for the system board, power supply, five
useable expansion slots, a six-connector PCI/ISA backboard, and six storage device slots.
The expansion slots include two 8-/16-bit ISA slots, one shared PCI/ISA slot, and two
32-bit PCI slots.
The six storage device slots accommodate up to four accessible devices and two internal
hard disk drive devices. The accessible devices include the standard one-inch high
3 1/2-inch 1.44-MB diskette drive and up to three 1.6-inch high 5 1/4-inch storage devices.
The non-multimedia hard disk systems ship with an accessible 3 1/2-inch diskette drive and
an internal 3 1/2-inch hard disk drive, leaving three accessible 5 1/4-inch storage device
slots and one internal slot available for an optional hard disk. The multimedia systems ship
with an accessible 3 1/2-inch diskette drive, an internal 3 1/2-inch hard disk drive, and an
accessible 5 1/4-inch CD-ROM reader, leaving two accessible 5 1/4-inch storage device
slots and one internal slot available for an optional hard disk.
Figure 1-2 shows the front panel features and the locations of the accessible storage devices
in a minitower system. Multimedia systems come with a CD-ROM reader installed in the
top accessible device slot.
Figure 1-2 Minitower System Controls and Storage Device Slots
SYSTEM BOARD
Key features of the system board include the following:
Intel Pentium 166- or 200-MHz Pentium MMX processor, depending on system
configuration
32-KB internal dual write-back cache integrated on the processor (16 KB
instruction, 16 KB data)
256-KB of synchronous pipeline burst, secondary static random access memory
(SRAM) cache integrated on the system board
system Setup program built into the America Megatrends, Inc. (AMI) BIOS
flash ROM for fast economical BIOS upgrades
integrated input/output (I/O) controller with keyboard, diskette drive, and hard
disk drive controllers. Supports two serial ports, a parallel port, and an IrDA port.
PCI local bus for fast data transfer
Technical Information 1-5
PCI 2.1 compliant for concurrent real time input-output (I/O)
Sound Blaster and Roland MPU-401 UART compatible
Yamaha OPL FM synthesis
MPCII, Multimedia PC Level 2 and Adlib compliant
3D sound effects
plug and play
Technical Information 1-6
two intelligent drive electronics (IDE) interface channels, supports up to four IDE
devices; two on each channel
hard disk drive ships on the primary IDE channel, for optimum transfer rate
CD-ROM reader (some configurations) ships on secondary IDE channel (set
as master)
3 1/2-inch, 1.44-MB diskette drive standard all configurations
PCI/ISA backboard configurations
desktop provides four expansion slots: two ISA, one PCI, and one shared
ISA/PCI connectors
minitower provides five expansion slots: two ISA, two PCI, and one shared
ISA/PCI connectors
external connectors for connecting the following external devices:
VGA-compatible monitor (standard, super, high-resolution VGA)
personal system/2 (PS/2®)-style mouse (green connector)
PS/2-style keyboard (orange connector)
bidirectional Enhanced Parallel Port (EPP) and enhanced capabilities port
(ECP) are supported for a parallel printer
two 9-pin serial ports
two Universal Serial Bus (USB) ports
external speakers, microphone, and headphone connectors (multimedia
configurations only)
Technical Information 1-7
y
infrared (IR) window for wireless data transfers
hardware monitoring using an Heceta chip, monitors the following functions in
conjunction with LANDesk Client Manager software:
internal system temperature
chassis intrusion
power supply voltages
suspend button and power management for placing system in power save mode
when idle for a specified amount of time.
Table 1-3 lists the major chips on the system board. See Appendix A for system board
connector pin assignments. See Appendix B for a description of system board jumpers.
Table 1-3 System Board Chips
Chip Description
Intel P55C MMX 166/66-MHz or 200/66-MHz Intel Pentium
ATI GT-B1S2 (“B2”) Graphics controller
E28F002 256k x 8 Flash ROM
Real-Time Clock Coin Cell Battery 3 Volt Lithium CMOS battery (BT9A1)
Creative Labs Vibra 16C Sound Chip
(multimedia systems only)
Yamaha OPL3 FM Synthesizer Chip
(multimedia systems only)
in LAN
Xcelerator controller
PCI ISA/IDE controller
Ultra I/O controller
Local area network (LAN) controller in LAN
systems
Onboard PC sound system
Frequency modulated synthesizer
Technical Information 1-8
Processor
The PowerMate series of computers use the following Pentium processors:
PowerMate P2166M — 166-MHz MMX processor with internal speed of
166 MHz and external speed of 66 MHz.
PowerMate P2200M — 200-MHz MMX processor with internal speed of
200 MHz and external speed of 66 MHz.
Each processor has 32 KB of write-back primary cache and a math coprocessor. The 32 KB
primary cache provides 16 KB for instructions and 16 KB for data.
The processor is an advanced pipelined 32-bit addressing, 64-bit data processor designed to
optimize multitasking operating systems. The 64-bit registers and data paths support 64-bit
addresses and data types.
To use the Pentium processor’s power, the system features an optimized 64-bit memory
interface and complementary asynchronous pipelined 256-KB secondary cache.
The processor is compatible with 8-, 16-, and 32-bit software written for the Intel386™,
Intel486™, and Pentium processors.
To accommodate future technologies and work requirements, the Pentium processor comes
in a 320-pin zero insertion force (ZIF) socket. The socket provides an upgrade path to the
next generation processor.
Secondary Cache
The system board contains 256 KB of pipeline-burst, external to the processor. Cache
allows data to be sent or received from cache with one wait state burst. Cache memory
improves read performance by holding copies of code and data that are frequently requested
from the system memory by the processor. Cache memory is not considered part of the
expansion memory.
Technical Information 1-9
System and Video BIOS
The system and video BIOS are stored in a DMI-compliant, 2 MB (256K x 8) flash memory
device (Flash ROM). The system BIOS uses 64 KB and the video BIOS uses 32 KB. The
system BIOS is capable of being shadowed and cached through the system’s Setup utility
(see Section 2 for Setup information). System BIOS is write protected and automatically
enabled.
In addition to the system and video BIOS, the flash device contains the Setup Utility
program described in Section 2, Power-On Self-Tests, and Advanced Power Management
routines.
The BIOS programs execute the Power-On Self-Test, initialize processor controllers, and
interact with the display, diskette drives, hard disks, communication devices, and
peripherals. The Setup utility default copies the ROM BIOS into RAM (shadowing) for
maximum performance.
The Flash ROM allows the system and video BIOS to be upgraded with the BIOS Update
utility, without removing the ROM (see Section 2 for further information on the BIOS
Update utility). The Flash ROM supports the reprogramming of the system BIOS and the
video BIOS.
The system memory map is provided in Table 1-4.
Table 1-4 System Memory Map
Memory Space Size Function
00000-7FBFF 512K Conventional base memory
80000-9FBFF 127K Extended conventional
9FC00-9FFFF 1K Extended BIOS data
A0000-C7FFF 160K Video memory and BIOS
C8000-DFFFF 96K Available HI DOS memory (open to
ISA and PCI bus)
E0000-E7FFF 32K Post BIOS area
E8000-E8FFF 4K OEM Logo area or scan user flash
E9000-E9FFF 4K Reserved for BIOS
EA000-EBFFF 8K DMI configuration info (VPD ESCD)
EC000-EFFFF 16K Boot Block (available as UMB)
F0000-FFFFF 64K Main BIOS
100000-C000000 191M Extended memory
Technical Information 1-10
System Memory
Non-multimedia systems come standard with 16 MB of memory: 640 KB of base memory
and 15 MB of extended memory. Most other configurations come with a 2.0-GB hard disk
and 16 MB of memory: 640 KB of base memory and 15 MB of extended memory.
Multimedia configurations ship with a 3.0-GB hard disk drive and 32 MB of system
memory. System memory can be expanded up to 384 MB using optional single in-line
memory modules (SIMMs) installed in SIMM sockets on the system board.
Six SIMM sockets are integrated on the system board. Non-multimedia systems ship with
two 8-MB SIMMs (16 MB total) installed in two sockets. The 32-MB systems ship with
two 16-MB SIMMs installed.
The SIMM memory sockets accept 32-bit (non-parity) or 36-bit (parity) 4-, 8-, 16-, 32- or
64-MB 60 ns Extended Data Output (EDO) or Fast Page Mode (FPM) SIMMs. The
SIMMs are 1 MB x 32 bit (4 MB), 2 MB x 32 bit (8 MB), 4 MB x 32 bit (16 MB), 8 MB x
32 bit (32 MB), and 16 MB x 32 bit (64 MB). When the standard SIMMs are removed, six
64-MB SIMMs (FPM only – when available) may be installed for a total of 384 MB.
CAUTION:
SIMMs must match the tin metal
plating used on the system board SIMM sockets.
When adding SIMMs, use tin-plated SIMMs.
SIMMs install directly in the six sockets on the system board. The six sockets are assigned
as SIMM 1 through SIMM 6. Each pair of SIMM sockets are called banks. There are three
SIMM banks (labeled bank 0, 1, and 2). Systems ship with the two standard SIMMs
installed in SIMM sockets 1 and 2. SIMMs must be installed in pairs of the same memory
type. Jumpers are not required to set memory size or type as the system BIOS automatically
detects the SIMMs. See Section 3, “Option Installation” for the recommended SIMM
memory upgrade paths.
Integrated Graphics
The system has an ATI GT-B PCI 64-bit 3-D multimedia graphics and video controller
integrated on the system board. State of the art techniques are used for optimizing
performance in computer graphic intensive applications and graphical user interfaces (GUI).
Features include:
DDC rev 2b compliance
video acceleration and 3-D rendering
full screen Native video playback
2 MB of synchronous graphics random-access memory (SGRAM).
Technical Information 1-11
Video Memory
PowerMate P MMX systems come with 2 MB of on-board video SGRAM, upgradeable to
4 MB.
The first megabyte of SGRAM is mounted on the system board. Two connectors on the
system board accept a 1- or 3-MB video module, providing a total of 2 MB or 4 MB of
SGRAM.
NOTE: PowerMate P MMX systems have
1 MB of SGRAM on the system board and a
1 MB video module installed as standard
equipment. To upgrade from the standard 2 MB
to 4 MB, you must replace the standard 1 MB
video module with a 3 MB video upgrade
module.
Video Resolutions and Refresh Rates
The computer supports the following video resolutions and refresh rates under
Windows 95:
RESOLUTIONSSUPPORTED COLORSREFRESH RATE (HZ)
2 MB of video SGRAM (standard)
640 x 480
800 x 600
1024 x 768
1152 x 864
1280 x 1024
The interrupt controller operates as an interrupt manager for the entire AT system
environment. The controller accepts requests from peripherals, issues interrupt requests to
the processor, resolves interrupt priorities, and provides vectors for the processor to
determine which interrupt routine to execute. The interrupt controller has priority
assignment modes that can be reconfigured at any time during system operations.
The interrupt levels are described in Table 1-5. Interrupt-level assignments 0 through 15 are
in order of decreasing priority. See Section 2, Setup and Operation, for information on
changing the interrupts using Setup.
Table 1-5 Interrupt Assignments
Interrupt
Priority
IRQ00 Counter/Timer
IRQ01 Keyboard
IRQ02 Cascade (INT output from slave)
IRQ03 COM2
IRQ04 COM1
IRQ05* Parallel Port 2/Audio (if present)
IRQ Holder for PCI steerin
Intel 82371SB to USB Universal Host
Controller
/
IRQ12 PS/2 mouse
IRQ13 Coprocessor
IRQ14 Primary IDE
IRQ15 Secondary IDE
* Multimedia configurations use one of these interrupts.
Technical Information 1-13
I/O Addressing
The processor communicates with I/O devices by I/O mapping. The hexadecimal (hex)
addresses of I/O devices are listed in Table 1-6.
Table 1-6 I/O Address Map
Address (Hex) I/O Device Name
0000-000F DMA controller 1 (channel 0-3)
0020-0021 Interrupt controller 1
0040-0043 Timer 1
0048-004B Timer 2
0061 NMI status and control
0064 Keyboard controller byte
0070-007F Real-time clock, NMI mask
0080-008F DMA page registers
00A0-00A1 Interrupt controller 2
00C-00DE DMA controller 2
00E0-00EF Reserved
00F0 Clear math coprocessor error
00F1 Reset math coprocessor
0F8-0FF Math coprocessor
170-177 Secondary hard disk controller
1F0-1F7 Primary hard disk controller
200-207 Game I/O
220-22F Sound port
238-23F Serial port 4 (used for remapping)
278-27F Parallel port 2
2B0-2DF Alternate EGA adapter
2F8-2FF Serial port 2
338-33F Serial port 3 (used for remapping)
378-37F Parallel port 1
3B0-3BF Mono display and printer adapter
3C0-3CF EGA adapter
3D0-3DF CGA adapter
3F0-3F7 Primary diskette drive controller
3F8-3FF Serial port 1
CF8-CFF PCI configuration
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