IBM 6288, 6268, 6278 Physical layout, Jumper, Cable connectors, Bios configuration jumper J7A1

Page 21

Chapter 2. System board features

Physical layout

The

system

board

might

look slightly different from the one shown.

Note:

 

A

diagram

of

the

system board,

 

including switch and jumper settings, is attache

 

 

of

 

the

computer

cover.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

System

board,

 

types 6268, 6278, and

6288

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.1/Microprocessor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.2/DIMM

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.3/DIMM

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.4/Alert

on

 

LAN

connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.5/Secondary

EIDE

connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.6/Diskette

connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.7/Primary

EIDE

connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.8/Power

connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.9/Fan

connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.1ð/Battery

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.11/Wake on LAN connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.12/PC/PCI legacy audio adapter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.13/Clear CMOS/recovery jumper

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.14/PCI adapter slot 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.15/PCI adapter slot 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.16/PCI adapter slot 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.17/Chassis

 

speaker

connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.18/PCI adapter slot 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.19/CD-ROM connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Jumper

Jumpers

on

the

system

board

are used for custom configurations. For the location of

jumper,

refer

to the

“System

board, types

6268, 6278, and 6288,” above.

 

 

 

 

 

 

Figure

7.

BIOS configuration jumper (J7A1)

 

 

 

 

 

 

 

 

 

 

 

Pins

 

 

 

 

 

 

Description

 

 

 

 

 

 

 

 

 

 

 

1

and

2

 

 

 

 

Normal

(Factory default)

 

 

 

 

 

 

 

 

 

 

 

2

and

3

 

 

 

 

Clear

CMOS/Password

 

 

 

 

 

 

 

 

 

 

 

Cable connectors

Connections for attaching devices are provided on the back of the computer. The conne

ŸUSB (2)

ŸMouse

ŸKeyboard

ŸSerial

ŸParallel

ŸMonitor

Ÿ

Some models

only: Ethernet adapter

with

an RJ-45 connector

Ÿ

Integrated

Analog Devices, Inc.

audio

controller with line in, line out, and microph

Chapter 2. System board features13

Image 21
Contents Technical Information Manual PC 300GL Types 6268, 6278, Apply 1999Are WithContents System software BiosPost System compatibility26. J13 Modem/Ring Wakeup Connector Pin Assignments System board Keyboard portUSB port Internal Dasd Related publications PrefaceTerminology usage IBMWhen Expressing storage Capacity MB equals Viii Technical Information Manual Major features System overviewSystem overview Network support Other featuresRing Ring DetectChapter System FeaturesPCI bus System memorySdram DimmIDE bus master interface USB interfaceBus Graphics memory controller hub Super Video Graphics Array Video subsystemAPM AcpiPC 300GL supports the following video subsystem modes Supported VGA video modesSupported Enhanced VGA video modes Mode Screen Resolution Colors Refresh Rate FeaturesVideo memory Monitor supportController Audio subsystemDiskette drive interface Serial portsParallel port Default setting for the serial port is COM1Keyboard and mouse ports Serial port assignmentsFlash Eeprom Network connectionExpansion adapters ClockBios configuration jumper J7A1 Cable connectorsPhysical layout JumperConnector panel for the desktop model Connector panelPhysical specifications Physical specificationsDesktop Computers Not SupportRequirements CablingPower input Power supplyPower output Power supplyFor Each PCI connector Component outputsComponents draw less current than Maximum Shown Nominal Value Power Power That AvailableOutputs Connector pin Assignments See Appendix a Pin Power supplySystem software PlaySystem software Advanced Configuration and Power Interface Configuration/Setup Utility programDiagnostic program UtilityHardware compatibility System compatibilityHardware interrupts System compatibilityHard disk drives and controller Drive type 720 KB Mode MB ModeSoftware compatibility Software interruptsMachine-sensitive programs Monitor connector Appendix A. Connector pin assignmentsMemory connectors Appendix A. Connector pin assignmentsPin X64 Non-Parity X72 ECC ConnectorConnector pin System memory connector pin input/outputAssignments 3. System memory connector pin input/output Pin Signal NamePin Assignments PCI bus connector PCI connector pin assignments PCI connectorsPin ConnectorIDE connector pin assignments IDE connectorsDiskette Drive Connector Pin Assignments DriveSupply USB port connectors Wakeup and Wake on LAN connectorsPort KeyboardKeyboard port connector pin assignments Serial port connectorSerial Port Connector Pin Assignments Parallel port connector pin assignments2. Parallel port connector pin assignments System Appendix B. System address mapsAppendix SystemICH1, DMA MapsO address map Are ReservedDMA I/O address map Bits Byte PointerConfiguration MapSystem address maps Appendix C. IRQ and DMA channel assignments Appendix C. IRQ and DMA channel assignmentsIRQ channel assignments DMA channel assignmentsError Codes Appendix D. Error CodesBeep codes Complete ListReferences This Publication Appendix E. Notices and trademarksReference 300Specification Advanced PowerLow Pin Count Interface Specification ReferencesIndex IndexError Codes Power Consumption Description For

6278, 6268, 6288 specifications

The IBM 6278, 6288, and 6268 are part of IBM's extensive lineup of mid-range computers, specifically tailored for business environments in the late 1980s and early 1990s. These systems were designed to handle substantial data processing tasks, facilitating efficient business operations with robust performance and reliability.

The IBM 6278 was notable for its high-performance capabilities, making it suitable for a variety of applications ranging from transaction processing to complex computations. One of the main features of the 6278 was its multiprocessing capability, which allowed it to run multiple tasks concurrently. This was achieved through a combination of advanced hardware and software that optimized performance and resource allocation.

Similarly, the IBM 6288 was recognized for its versatility and scalability. This system incorporated enhanced memory management and was capable of handling larger workloads than its predecessors. The 6288 was designed with user-friendly interfaces and supported various input/output devices, making it easier for organizations to integrate into existing IT infrastructures. Additionally, it provided improved connectivity options, essential for modern networking needs at the time.

The IBM 6268, on the other hand, offered a balance between cost and performance, appealing to smaller businesses or those with less intensive data processing requirements. Despite being less powerful than the 6278 and 6288, the 6268 still managed to include essential features such as reliable data storage, effective processing speed, and compatibility with IBM's extensive software ecosystem.

All three models utilized IBM's proprietary operating systems, which were well-known for their robustness and security features. They were built with technologies such as error detection and correction, ensuring the integrity of data processing tasks. The architecture of these systems also allowed for easy upgrades, enabling businesses to expand their capabilities without a complete overhaul of their IT infrastructure.

In summary, the IBM 6278, 6288, and 6268 represented a significant advancement in mid-range computing technology during their era. Their main features encompassed multiprocessing, scalability, and user-friendly interfaces, making them valuable assets for businesses seeking reliable and efficient computing solutions. These systems laid the groundwork for future innovations in business computing, and despite their age, they remain a significant part of IBM's legacy in the computing industry.