Before using this information and the product it supports, be sure to read the general information under
Appendix E, “Notices and Trademarks” on page 59.
First Edition (August 1997)
The following paragraph does not apply to the United Kingdom or any country where such provisions are inconsistent with
local law: INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION “AS IS” WITHOUT
WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow disclaimer of express or implied
warranties in certain transactions, therefore, this statement may not apply to you.
This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the information
herein; these changes will be incorporated in new editions of the publication. IBM may make improvements and/or changes in the
product(s) and/or the program(s) described in this publication at any time.
This publication was developed for products and services offered in the United States of America. IBM may not offer the products,
services, or features discussed in this document in other countries, and the information is subject to change without notice. Consult
your local IBM representative for information on the products, services, and features available in your area.
Requests for technical information about IBM products should be made to your IBM reseller or IBM marketing representative.
Copyright International Business Machines Corporation 1997. All rights reserved.
Note to U.S. Government Users — Documentation related to restricted rights — Use, duplication or disclosure is subject to
restrictions set forth in GSA ADP Schedule Contract with IBM Corp.
The manual, which is intended for developers who want to provide hardware and software products to
operate with these computers, provides in-depth information on how the computers work. Users of this
publication should have an understanding of computer architecture and programming concepts.
Manual Style
Because the PC 300PL (Type 6562) and (Type 6592) are similar, they will be referred to collectively as
PC 300PL computers
computer types must be described.
In this manual, the use of the letter “h” indicates a hexadecimal number. Also, when numerical modifiers
such as “K”, “M” and “G” are used, they typically indicate powers of 2, not powers of 10. For example, 1
KB equals 1024 bytes (2
(230).
throughout this manual, except in cases where differences between the two
provides information on the IBM PC 300PL (Types 6562 and 6592).
When expressing storage capacity, MB equals 1000 KB (1024000). The value is determined by counting
the number of sectors and assuming that every two sectors equals 1 KB. Depending on the operating
system and other system requirements, the storage capacity available to the user might vary.
Warning: The term
Use of reserved areas can cause compatibility problems, loss of data, or permanent damage to the
hardware. When the contents of a register are changed, the state of the reserved bits must be preserved.
When possible, read the register first and change only the bits that must be changed.
Some signals are abbreviated. A minus sign in front of a signal indicates that the signal is active low. No
sign in front of a signal indicates that the signal is active high.
reserved
describes certain signals, bits, and registers that should not be changed.
viii Copyright IBM Corp. 1997
Related Publications
In addition to this manual, the following IBM publications provide information about the operation of
PC 300PL computers. To order these publications, call 1-800-879-2755 in the U.S. and Puerto Rico. In
other countries, contact an IBM reseller or IBM marketing representative.
Setting Up Your PC 300PL (Type 6562)
Setting Up Your PC 300PL (Type 6592)
These publications contain instructions on preparing the computer for operation.
Using Your PC 300PL (Type 6562)
Using Your PC 300PL (Type 6592)
These publications contain information on configuring, operating, and maintaining the computer. Also
included are warranty information, instructions for diagnosing and solving problems, and information on
how to obtain help and service.
Installing Options in Your PC 300PL (Type 6562)
Installing Options in Your PC 300PL (Type 6592)
These publications contain instructions for installing options in the computer.
Understanding Your PC 300PL
This publication includes general information about using computers and detailed information about the
features of PC 300PL computers.
About Your Software
This publication (provided only with computers that have IBM-preinstalled software) contains
information about the preinstalled software package.
Your Ready-to-Configure CD
This publication contains information about the
computers. The publication also contains instructions for starting the CD.
Adaptec SCSI Documentation
This documentation, which is provided with computer models that have an IBM-installed SCSI adapter,
includes information on configuring the adapter and instructions for installing and configuring SCSI
devices.
Hardware Maintenance Manual
This publication contains information on PC 300PL computers for trained service technicians. It can
be found on the World Wide Web (http://www.us.pc.ibm.com/cdt/hmm.html), and it can also be ordered
from IBM. To purchase a copy, refer to the "Getting Help, Service, and Information" section in
Your PC 300PL (Type 6562)
Compatibility Report
This publication contains information about compatible hardware and software for PC 300PL
computers. The publication is available on the World Wide Web (http://www.us.pc.ibm.com/cdt).
or
Using Your PC 300PL (Type 6592)
Ready-to-Configure CD
.
that comes with PC 300PL
Using
Preface ix
xTechnical Information Manual
Chapter 1. System Overview
Chapter 1.System Overview
The PC 300PL (Type 6562) and (Type 6592) are versatile products designed to provide state-of-the-art
computing power with room for future growth. The two computers utilize the same system board. They
differ in frame assembly design, power supply capacity, and riser card design. (Type 6562 has four drive
bays, four expansion slots, and a 145-watt power supply. Type 6592 has six drive bays, six expansion
slots, and a 200-watt power supply. Refer to “Riser Card” on page 20 for an illustration of the riser card
in each computer.)
Note: Because the two computer types (6562 and 6592) are similar, they will be referred to collectively
as
PC 300PL computers
two types must be described.
Hardware Features
The major features of PC 300PL computers are:
Intel
Single bank, pipeline burst, synchronous L2 cache soldered on the system board
Support for up to 384 MB of system memory
Busmaster IDE controller
EIDE or Ultra Wide SCSI hard disk drive
CD-ROM drive (some models only)
3.5-inch, 1.44 MB diskette drive
Integrated Matrox MGA-1164SG1 3D video controller with 2 MB SGRAM soldered to the system board
– Upgrade connectors for VESA interface and Matrox multimedia options
– Built-in, high-quality speaker
– RPL (Remote Program Load) and DHCP (Dynamic Host Configuration Protocol)
– Integrated Wake on LAN controller
– Automatic power-on startup sequence
– POST/BIOS update from network
– DMI (Desktop Management Interface) BIOS and DMI software
– Integrated system management controller
– Two serial ports
– One ECP/EPP parallel port
– One monitor port
– Four 3.5 mm audio jacks (line out, line in, headphone, and microphone)
– One Ethernet RJ-45 port
– Two USB (universal serial bus) ports
– One keyboard port (Windows 95-compatible)
– One mouse port
– One infrared port (optional)
– One multimedia port (optional)
throughout this manual, except in cases where differences between the
1
The 1164SG controller is equivalent to the 1064SG controller (which is installed in some PC 300PL computers models).
Copyright IBM Corp. 1997
1
Chapter 1. System Overview
Expansion
– PC 300PL (Type 6562): Four drive bays, four expansion slots (one ISA, two PCI, and one shared
ISA/PCI)
– PC 300PL (Type 6592): Six drive bays, six expansion slots (three ISA and three PCI)
Several model variations are available for PC 300PL computers. The following list describes some of the
ways in which the models vary:
Microprocessor speed
Hard disk type and capacity
Amount of system memory preinstalled
Type of operating system software preinstalled
Note also that models are available with or without a CD-ROM drive preinstalled.
2Technical Information Manual
Chapter 1. System Overview
Software Features
This section describes the system software, device drivers, and operating system support provided with
PC 300PL computers.
System Software
System software refers to the following:
Basic input/output system (BIOS)
Plug and Play
Power-on self-test (POST)
Configuration/Setup Utility program
Advanced Power Management (APM)
Flash update utility program
Diagnostic programs
BIOS
PC 300PL computers have an IBM BIOS. Support is provided for the following features:
PCI bus, according to the PCI BIOS Specification (Version 2.1)
Plug and Play, according to the ISA Plug and Play BIOS Specification (Version 1.2)
Advanced Power Management, according to the APM BIOS Interface Specification (Version 1.2)
Desktop Management BIOS, according to DMI Specification 2.0a
IDE LBA to allow access to hard disks with a capacity greater than 527 MB
Intel 82430HX core chipset
Matrox MGA-1164SG 3D video BIOS
Intel Ethernet BIOS
Crystal audio setup BIOS
National System Management BIOS
Initialization of National Semiconductor N87307 I/O chip, with Plug and Play support
Manufacturing hooks
Bootable CD-ROM
DBCS code (for Japanese systems only)
Wake on LAN
RPL (Remote Program Load) and DHCP (Dynamic Host Configuration Protocol)
Flash over LAN
Alternate boot sequence
CMOS cloning
Enable/disable of system board Ethernet controller
Plug and Play
PC 300PL computers conform to the following:
ISA Plug and Play BIOS Specification (Version 1.2)
ISA Plug and Play BIOS Specification, Errata and Clarifications (Version 1.0)
Chapter 1. System Overview3
, as released by Microsoft
Chapter 1. System Overview
PC 300PL computers also conform to the guidelines described in the following:
Plug and Play BIOS Extension Design Guide (Version 1.0)
Guide to Integrating the Plug and Play BIOS Extensions with System BIOS (Version 1.1)
Plug and Play Kit for DOS and Windows
POST
PC 300PL computers use IBM power-on self-test (POST) software with initialization code added for the
Intel Pentium processor with MMX technology, the Intel 82430HX core chipset, the National
Semiconductor PC87307 I/O chip, the Intel Ethernet chip, and the Matrox MGA-1164SG 3D video chip.
POST software locates any hardware problems or configuration changes. If an error occurs while POST
is running, an error code in the form of a text message displays on the screen. For a description of POST
error codes, see “POST Error Codes” on page 56. For further information on POST, refer to
PC 300PL (Type 6562)
or
Using Your PC 300PL (Type 6592)
.
Using Your
Configuration/Setup Utility Program
The Configuration/Setup Utility program provides menus for viewing and changing selections for devices
and I/O ports, current date and time, start options, system security, advanced setup, ISA legacy resources,
and advanced power management. The Configuration/Setup Utility program also provides system
summary and product data screens which contain information specific to the computer model being used.
Refer to
on the Configuration/Setup Utility program.
Using Your PC 300PL (Type 6562)
or
Using Your PC 300PL (Type 6592)
for further information
Advanced Power Management
PC 300PL computers come with energy-saving software that meets Energy Star requirements. Advanced
Power Management (APM) is a feature that reduces power consumption when components of the
computer (or the entire computer system) are not in use. When enabled, APM initiates reduced-power
modes for the microprocessor, monitor, hard disk drive, or entire system after a specified period of
inactivity is reached.
2
APM is implemented in PC 300PL computers according to the APM BIOS Interface Specification (Version
1.2). For more information on APM, refer to
(Type 6562)
or
Using Your PC 300PL (Type 6592)
Understanding Your PC 300PL
.
and
Using Your PC 300PL
Flash Update Utility Program
A stand-alone utility program is available to support user-initiated flash code updates. This utility program
updates the BIOS code in flash memory. PC 300PL computers also support BIOS updating over the LAN
(Flash-over-LAN). The Flash-over-LAN function requires the use of the integrated system board Ethernet.
The flash update utility program is available on the World Wide Web (http://www.us.pc.ibm.com/files.html)
or through the PC Company Bulletin Board Service in files that can be downloaded onto a diskette.
Instructions for using the flash update utility program will be available in a README file included in the
downloaded files. Refer to
further information.
Using Your PC 300PL (Type 6562)
or
Using Your PC 300PL (Type 6592)
for
2
SCSI hard disk drives do not support APM.
4Technical Information Manual
Chapter 1. System Overview
Diagnostic Programs
A diagnostic program (QAPlus/WIN for IBM or QAPlus/PRO for DOS) is provided with each PC 300PL
computer. The diagnostic program provided depends on the type of software preinstalled. For more
information on diagnostic programs, refer to
(Type 6592)
.
Using Your PC 300PL (Type 6562)
or
Using Your PC 300PL
Device Drivers
PC 300PL computers come with device drivers to support built-in features and several operating systems.
The device drivers are preinstalled in models that come with IBM-preinstalled software. In addition, the
device drivers are included on the Ready-to-Configure (RTC) CD-ROM that is provided with all PC 300PL
models.
Operating System Support
Although a variety of operating systems can be used with PC 300PL computers, full function is provided
only with Windows 95 and Windows NT 4.0. When operating systems other than Windows 95 and
Windows NT 4.0 are used, PC 300PL computers will work, but without all of the advanced functions (for
instance, the USB function is not supported with OS/2.) For a list of operating systems that are
compatible with PC 300PL computers, refer to
(Type 6592)
http://www.us.pc.ibm.com/cdt.
, and the IBM online compatibility report on the World Wide Web at
Using Your PC 300PL (Type 6562), Using Your PC 300PL
Note: An operating system and various support programs are preinstalled in some PC 300PL computers.
Refer to
Ready-to-Configure (RTC) CD-ROM is included with all models. The RTC CD-ROM contains
applications and device driver support for the preinstalled operating system (if applicable), and
several other operating systems.
About Your Software
for a detailed description of the preinstallation package. Also, a
Chapter 1. System Overview5
Chapter 2.System Board Features
This section provides information about system board features. For an illustration of the PC 300PL
system board, refer to “Physical Layout” on page 24.
For a list of features provided with PC 300PL computers, refer to “Hardware Features” on page 1.
Microprocessor
PC 300PL computers have an Intel Pentium processor with MMX technology. This microprocessor has
separate core supply (2.8 V) and I/O supply (3.52 V) voltages. A voltage regulator on the system board
converts the 3.52 V provided by the power supply to the core voltage (2.8 V) required by the
microprocessor.
The Pentium processor with MMX technology features the following:
Optimization for 32-bit software
Operation at a lower voltage level than previous microprocessors
64-bit data bus
32-bit I/O bus
32 KB L1 cache (split into 16 KB write-through code cache and 16 KB write-back data cache)
Fractional bus speed (selectable at 2/7, 2/5, 1/3, or 1/2 bus/core frequency ratio)
Power management features (stop clock, I/O trap restart, autohalt, system management mode)
Math coprocessor
Support for MMX technology (boosts the processing of graphic, video, and audio data)
Chapter 2. System Board Features
More information on the Pentium processor with MMX technology can be found on the World Wide Web at
http://www.intel.com.
The microprocessor plugs into a 321-pin PGA processor ZIF socket (Socket 7) located on the system
board. This socket will accommodate the 320-pin Pentium processor with MMX technology. The ZIF
socket defines approximately half of the Vcc pins for core supply and the other half for I/O supply.
For information on replacing a microprocessor or installing an upgrade, refer to
PC 300PL (Type 6562)
or
Installing Options in Your PC 300PL (Type 6592)
Installing Options in Your
.
Chip Set Control
PC 300PL computers use the second-generation Intel 82430HX chip set, which consists of two modules.
The 324-pin TXC module provides a bridge between the PCI bus and the microprocessor bus. (For
information on the PCI bus, see “PCI-to-ISA Bridge” on page 8.) The TXC module also controls the
cache and system memory interfaces.
The 208-pin, PIIX3 module provides a bridge between the PCI and ISA buses. The module, which is fully
compliant with
PCI Local Bus Specification (Version 2.1)
, also contains the IDE and USB controllers.
6 Copyright IBM Corp. 1997
Chapter 2. System Board Features
L2 Cache
The L2 cache installed in PC 300PL computers consists of synchronous, pipeline burst, SRAMs installed
in a single bank on the system board. There is one 32K x 8 bit, 15 ns, 5 V SRAM tag module and two
64K x 32 bit, 8ns, 3.3 V SRAM modules installed. Features of the L2 cache are as follows:
Look-aside architecture
Direct-mapped (one-way associativity) organization
Operates in write-back mode
Follows MESI (modified, exclusive, shared, invalid) protocol
Implemented as a unified cache (cache code and data)
System Memory
The system memory interface in PC 300PL computers is controlled by the Intel TXC chip set module.
(Refer to “Chip Set Control” on page 6 for information on the TXC module.) There are three dual inline
memory module (DIMM) sockets on the system board. The DIMM sockets are powered by +3.3 volts.
This voltage allows for low-power operation and supports 64-Mbit technology. For DIMM socket pin
assignments, refer to “System Memory Connectors” on page 43.
The system board supports:
A total of 384 MB of system memory
A maximum of 128 MB of system memory in each DIMM socket
Any configuration of DIMMs is acceptable. However, DIMMs must have the following characteristics:
Must be EDO nonparity (NP) or EDO error correcting code (ECC) DRAMs
Must be 16, 32, 64, or 128 MB in size
Must be 168-pin, unbuffered, +3 V, serial PD type
Must have gold-lead tabs
Must have 60 ns access speed only
Also, note the following:
EDO NP modules and EDO ECC modules can be mixed, but they will configure as NP.
To enable ECC, all installed memory must be of the EDO ECC type.
Note: Single inline memory modules (SIMMs) are not supported in PC 300PL computers.
Chapter 2. System Board Features7
Chapter 2. System Board Features
PCI-to-ISA Bridge
The PIIX3 chipset module provides the bridge between the peripheral component interconnect (PCI) and
industry standard architecture (ISA) buses. The chip is used to convert PCI bus cycles to ISA bus cycles.
The PCI bus is compliant with
host bus and is driven at a frequency of 33 MHz (half the speed of the 66 MHz microprocessor bus). The
ISA bus is permanently set to the PCI bus speed divided by four.
The PCI bus shares interrupts with the ISA bus. Free interrupts are automatically assigned to PCI devices
during POST. If no interrupts are available for the PCI devices, an 18XX POST error message is
generated.
For information on PCI and ISA bus expansion connectors, see “Riser Card” on page 20.
PCI Local Bus Specification 2.1
. The PCI bus runs synchronously to the
System I/O and Power Management
The Intel PIIX3 chipset module that provides the PCI-to-ISA bridge also provides all the subsystems of the
ISA bus. These subsystems are:
An ISA-compatible interrupt controller that provides the function of two cascaded 82C59 interrupt
controllers
Three counters, equivalent to an 82C54 programmable interval timer
The function of two 82C37 DMA controllers with seven independent DMA channels (four 8-bit
channels and three 16-bit channels)
Power management features
For further information on the PIIX3 chipset module, refer to “Chip Set Control” on page 6.
8Technical Information Manual
Chapter 2. System Board Features
IDE Bus Master Interface
The system board incorporates a PCI-to-IDE interface that complies with the
Extensions
. The Intel PIIX3 chipset module contains the controller for the PCI Bus Master IDE interface.
AT Attachment Interface with
The PIIX3 module allows concurrent operations on the PCI and IDE buses. (Refer to “Chip Set Control”
on page 6 for further information on the PIIX3 module.)
The primary and secondary IDE busses are routed to two connectors on the riser card. A total of four IDE
devices can be attached to the two IDE riser card connectors using ribbon cables. Note that a total of
three IDE devices can be attached to the riser card connectors in the PC 300PL (Type 6562) due to bay
limitations. The IDE devices receive their power through separate, four-position power cables containing
+5 V, +12 V, and ground (GND) voltage.
On each IDE connector, one IDE device is designated as the primary (master) device, and the other
device is designated as the secondary (subordinate) device. These designations are determined by switch
or jumper settings on each IDE device. A functional primary device must be present on each IDE
connector for a secondary device to be recognized on that same IDE connector. Care must be taken to
ensure that the jumpers on the IDE devices installed in the system correctly identify them as either primary
or secondary devices. Otherwise, some of the devices might not be recognized by the system. There is
no performance impact between a primary device and a secondary device of the same type on the same
IDE connector.
A bootable IDE hard disk drive can be installed on either IDE connector. A bootable hard disk is one
which has an active partition with an operating system installed on it.
PCI or ISA IDE expansion adapters are not supported.
For a list of devices that can be installed in PC 300PL computers, refer to “Internal Drives” on page 26.
The following table shows the typical system resource assignments for the IDE interface.
Table 1. System Resource Assignments for the IDE Interface
ConfigurationROMRAMI/O Address (Hex)IRQDMA
IDE 1NoneNone01F0-01F7, 03F6, 03F7 bits 6:014None
IDE 2NoneNone0170-0177, 0376-037715None
Notes:
1. IDE 1 is the default for the primary channel.
2. IDE 2 is the default for the secondary channel.
When the computer is started, the resource assignments are subject to change during POST.
Two 40-pin connectors are provided on the riser card for the IDE interface. For information on connector
pin assignments, see “IDE Connectors” on page 41.
Chapter 2. System Board Features9
Chapter 2. System Board Features
USB Interface
The Intel PIIX3 chipset module contains the controller for the USB interface in PC 300PL computers.
(Refer to “Chip Set Control” on page 6 for information on the PIIX3 module.) Two USB ports are provided
on the rear connector panel of the computers. A USB-enabled device can be attached to each port, and if
that device is a hub, multiple peripheral devices can be attached to the hub and be used by the system.
Plug and Play technology is used to recognize installed devices. The USB port functions at speeds of up
to 1.5 Mbits per second or 12 Mbits per second. Data is transferred in either asynchronous or
isochronous mode. The system does not support a keyboard attached to either of the USB ports as a
boot device.
The USB is compliant with
USB technology include:
Support for up to 127 physical devices
Connections of up to five meters in length from host to hub or hub to hub
Support for hot pluggable devices
Support for concurrent operation of multiple devices
Support for different device bandwidths
Guaranteed bandwidth and low latencies appropriate for telephony, audio, etc.
Wide range of packet sizes
Eight-signal USB cable
The external interface for the USB ports consists of two, 4-pin connectors. For information on connector
pin assignments, see “USB Connectors” on page 46.
Control of the integrated input/output (I/O) ports, diskette drive, and real-time clock is provided by the
National Semiconductor PC87307 chip. This chip, which is compatible with
Specification 1.0a
, supports and implements the following features:
Plug and Play ISA
Diskette interface
Parallel port
Serial ports
Infrared port
Keyboard and mouse ports
General-purpose I/O ports
Real-time clock
Diskette Interface
The PC 300PL (Type 6562) supports one diskette drive. The PC 300PL (Type 6592) supports a
maximum of two diskette drives. (Refer to “Internal Drives” on page 26 for more information). The
following is a list of devices that the diskette interface will support:
1.44 MB, 3.5-inch diskette drive
1.44 MB, 3.5-inch, 3-mode drive for Japan
1.2 MB, 5.25-inch diskette drive (PC 300PL, Type 6592 only)
1 Mbps, 500 Kbps, or 250 Kbps internal tape drive (PC 300PL, Type 6592 only)
Note: A 2.88 MB, 3.5-inch diskette drive is not supported.
The following table shows the typical system resource assignments for the diskette interface.
Table 2. System Resource Assignments for the Diskette Interface
When the computer is started, the resource assignments are subject to change during POST.
One shrouded, 34-pin, berg-strip connector is provided on the PC 300PL riser card for the diskette drive.
For information on connector pin assignments, see “Diskette Drive Connector” on page 42.
Chapter 2. System Board Features11
Chapter 2. System Board Features
Parallel Port
One parallel port is integrated into the system board. Support for extended capabilities port (ECP),
enhanced parallel port (EPP), and standard parallel port (SPP) modes is provided. These modes are
selected through the Configuration/Setup Utility program, with the default mode set to SPP. The ECP and
EPP modes are compliant with IEEE 1284.
The following table shows the typical system resource assignments for the parallel port.
Table 3. System Resource Assignments for the Parallel Port
Note: The default setting for the parallel port is LPT1. When the computer is started, the resource
assignments are subject to change during POST.
The external interface for the parallel port is a 25-pin, female, D-shell connector. For information on
connector pin assignments, see “Parallel Port Connector” on page 46.
3
3
3
Serial Ports
The serial port subsystem consists of two universal asynchronous receiver/transmitters (UARTs) that are
PC16550A- and NS16450-compatible. The serial ports include a 16-byte data first-in first-out (FIFO)
buffer and have programmable baud rate generators. The UARTs function independently of one another,
and both can be used in normal mode, which is inclusive of modem control circuitry. UART2 can be used
as an infrared serial interface. UART2 function is determined at boot time via the Configuration/Setup
Utility program and can only be altered by changing setup and rebooting the computer. If UART2 is set to
the infrared function, serial port 2 will be disabled.
The following table shows the typical system resource assignments for the serial ports.
Table 4. System Resource Assignments for the Serial Ports
The default setting for serial port 1 is COM1. For serial port 2, the default setting is COM2. When the
computer is started, the resource assignments are subject to change during POST.
4None
3None
The external interface for the serial ports consists of two, 9-pin, male, D-shell connectors (in a stacked
configuration). For information on connector pin assignments, see “Serial Port Connectors” on page 47.
3
ECP/EPP mode only.
12Technical Information Manual
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