IBM PC 300GL Types 6275 Technical document

IBM
Technical Information Manual
PC 300GL (6561 and 6591)

IBM Technical Information Manual
PC 300GL (6561 and 6591)

Note
Before using this information and the product it supports, be sure to read the general information under
Appendix E, “Notices and Trademarks” on page 49.
First Edition (February 1998)
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 February 1998. 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.

Contents
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Related Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii
Terminology Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
Chapter 1. System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Major Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Other Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Wake on LAN .................................................. 2
Wake Up on Ring ................................................ 2
Network Enablement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Chapter 2. System-Board Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Microprocessor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chip Set Control .................................................. 4
L2 Cache . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
System Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
PCI Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Bus Master IDE Interface ........................................... 5
PCI-to-ISA Bridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
USB Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Video Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Integrated AGP Cirrus GD5465 3-D SVGA (super video graphics array) ................ 7
Video Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Input/Output Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Diskette Drive Support ............................................. 8
Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Parallel Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Keyboard and Mouse Ports .......................................... 9
Network Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
General Purpose I/O Ports ........................................... 10
Real-Time Clock and CMOS .......................................... 10
Flash EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Riser Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Physical Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
System Board, Models 6561 and 6591 .................................... 12
Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Riser Card, Model 6561 ............................................ 13
Riser Card, Model 6591 ............................................ 13
Connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Model 6561 Connector Panel ......................................... 14
Model 6591 Connector Panel ......................................... 14
Chapter 3. Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
PC 300GL Model 6561 .............................................. 16
PC 300GL Model 6591 .............................................. 17
Chapter 4. Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Power Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
PC 300GL Model 6561 ............................................. 18
 Copyright IBM Corp. February 1998 iii

PC 300GL Model 6591 ............................................. 19
Component Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Output Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Connector Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Chapter 5. System Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
BIOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Plug and Play .................................................... 22
POST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Configuration/Setup Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Advanced Power Management (APM) ...................................... 23
Flash Update Utility Program ........................................... 23
Diagnostic Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Chapter 6. System Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Hardware Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Hardware Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Diskette Drives and Controller ......................................... 26
Hard Disk Drives and Controller ........................................ 26
Software Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Software Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Machine-Sensitive Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Appendix A. Connector Pin Assignments .................................. 28
System Memory Connector ............................................ 29
IDE Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
USB Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Monitor Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Diskette Drive Connector ............................................. 32
Serial Port Connectors ............................................... 33
Parallel Port Connector .............................................. 33
Keyboard and Mouse Port Connectors ..................................... 35
ISA Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
PCI Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Wake on LAN and Modem/Ring Wake-up Connectors ............................ 40
Power Supply Connectors ............................................. 40
Appendix B. System Address Maps ..................................... 41
System Memory Map ............................................... 41
Input/Output Address Map ............................................ 41
DMA I/O Address Map ............................................... 43
PCI Configuration Space Map .......................................... 44
Appendix C. IRQ and DMA Channel Assignments ............................ 45
Appendix D. Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
POST Error Codes ................................................. 46
Beep Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Appendix E. Notices and Trademarks .................................... 49
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
iv Technical Information Manual

Figures
1. System Memory Configuration ....................................... 4
2. Serial Port Assignments .......................................... 8
3. Parallel Port Assignments ......................................... 9
4. Riser Card Characteristics ......................................... 11
5. CMOS Clear/Password Jumper ..................................... 12
6. FLASH Recovery Jumper ........................................ 12
7. Size (PC 300GL Model 6561) ....................................... 16
8. Weight (PC 300GL Model 6561) ..................................... 16
9. Cables (PC 300GL Model 6561) ..................................... 16
10. Air Temperature (PC 300GL Model 6561) ................................ 16
11. Humidity (PC 300GL Model 6561) .................................... 16
12. Heat Output (PC 300GL Model 6561) .................................. 16
13. Electrical (PC 300GL Model 6561) .................................... 16
14. Size (PC 300GL Model 6591) ....................................... 17
15. Weight (PC 300GL Model 6591) ..................................... 17
16. Cables (PC 300GL Model 6591) ..................................... 17
17. Air Temperature (PC 300GL Model 6591) ................................ 17
18. Humidity (PC 300GL Model 6591) .................................... 17
19. Heat Output (PC 300GL Model 6591) .................................. 17
20. Electrical (PC 300GL Model 6591) .................................... 17
21. Power Input Requirements ......................................... 18
22. Power Output (145 Watt) .......................................... 18
23. Power Output (200 Watt) .......................................... 19
24. System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
25. Keyboard Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
26. Auxiliary Device Port ............................................ 20
27. ISA-Bus Adapters (Per Slot) ........................................ 20
28. PCI-Bus Adapters (Per Slot) ........................................ 20
29. Internal DASD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
30. 5.25-Inch Diskette Drive Reading, Writing, and Formatting Capabilities ............... 26
31. 3.5-Inch Diskette Drive Reading, Writing, and Formatting Capabilities ................ 26
32. System Memory Connector Pin Assignments .............................. 29
33. IDE Connector Pin Assignments ...................................... 31
34. USB Connector Pin Assignments ..................................... 32
35. Monitor Connector Pin Assignments ................................... 32
36. Diskette Drive Connector Pin Assignments ................................ 32
37. Serial Port Connectors Pin Assignments ................................. 33
38. Parallel Port Connector Pin Assignments ................................. 33
39. Keyboard and Mouse Connectors Pin Assignments .......................... 35
40. ISA Connector Pin Assignments ...................................... 36
41. PCI Connector Pin Assignments ...................................... 38
42. J27 Modem/Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
43. J28 Wake on LAN .............................................. 40
44. Pin Assignments for Power Supply Connectors ............................. 40
45. System Memory Map ............................................ 41
46. I/O Address Map ............................................... 41
47. DMA I/O Address Map ........................................... 43
48. IRQ Channel Assignments ......................................... 45
49. DMA Channel Assignments ........................................ 45
50. POST Error Codes ............................................. 46
 Copyright IBM Corp. February 1998 v

51. Beep Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
vi Technical Information Manual

Preface
This Technical Information Manual provides information for the IBM PC 300GL (Models 6561 and 6591).
It is intended for developers who want to provide hardware and software products to operate with these
IBM computers and provides an in-depth view of how these IBM computers work. Users of this
publication should have an understanding of computer architecture and programming concepts.
 Copyright IBM Corp. February 1998 vii

Related Publications
In addition to this manual, the following IBM publications provide information related to the operation of the
PC 300GL (Models 6561 and 6591). To order publications in the U.S. and Puerto Rico, call
1-800-879-2755. In other countries, contact an IBM reseller or an IBM marketing representative.

Using Your Personal Computer
This publication contains information about configuring, operating, and maintaining the PC 300GL
(Models 6561 and 6591). Also, information on diagnosing and solving problems, how to get help and
service, and warranty issues is included.

Installing Options in Your Personal Computer
This publication contains instructions for installing options in the PC 300GL Model 6561 or 6591.

Understanding Your Personal Computer
This online document includes general information about using computers and detailed information
about the features of the PC 300GL (Models 6561 and 6591).

PC 300 Systems (6561/6591) Compatibility Report
This publication contains information about compatible hardware and software for the PC 300GL
(Models 6561 and 6591). This publication is available at http://www.pc.ibm.com/us/cdt.

Network Administrator's Guide
This publication contains information for network administrators who configure and service local-area
networks (LANs). Look for this publication at http://www.pc.ibm.com/us/cdt.
viii Technical Information Manual