IBM 6288, 6268 PC 300GL supports the following video subsystem modes, Supported VGA video modes

Page 15

Chapter 2. System board features

The PC 300GL supports the following video subsystem modes:

Figure 3.

Supported VGA video modes

 

 

 

 

 

 

 

 

 

 

 

 

 

Mode (hex)

 

Display Mode

Screen

 

Resolution

Colors

Refresh Rate

 

 

 

 

 

 

 

 

 

 

(Hz)

 

 

 

 

 

 

 

 

 

 

00

 

Text

40

x

25

 

characters

B/W

70

 

 

 

 

 

 

 

 

 

 

01

 

Text

40

x

25

 

characters

16

70

 

 

 

 

 

 

 

 

 

02

 

Text

80

x

25

characters

B/W

70

 

 

 

 

 

 

 

 

 

03

 

Text

80

x

25

characters

16

70

 

 

 

 

 

 

 

 

 

04

 

Graphics

320

x

200

pixels

4

70

 

 

 

 

 

 

 

 

 

05

 

Graphics

320

x

200

pixels

4

70

 

 

 

 

 

 

 

 

 

 

 

06

 

Text

640

 

x

200

 

pixels

2

70

 

 

 

 

 

 

 

 

 

07

 

Text

80

x

25

characters

Mono

70

 

 

 

 

 

 

 

 

 

0D

 

Graphics

320

x

200

pixels

16

70

 

 

 

 

 

 

 

 

 

 

 

0E

 

Graphics

640

 

x

200

 

pixels

16

70

 

 

 

 

 

 

 

 

 

 

 

0F

 

Graphics

640

 

x

350

 

pixels

Mono

70

 

 

 

 

 

 

 

 

 

 

 

10

 

Graphics

640

 

x

350

 

pixels

16

70

 

 

 

 

 

 

 

 

 

 

 

11

 

Graphics

640

 

x

480

 

pixels

2

60

 

 

 

 

 

 

 

 

 

 

 

12

 

Graphics

640

 

x

480

 

pixels

16

60

 

 

 

 

 

 

 

 

 

13

 

Graphics

320

x

200

pixels

256

70

 

 

 

 

 

 

 

 

 

 

 

Figure 4

(Page 1

of

3). Supported Enhanced VGA video modes

 

 

 

 

 

 

 

 

 

Mode (hex)

 

Display

Mode

 

Screen Resolution

Colors

Refresh Rate

 

 

 

 

 

 

 

(Hz)

 

 

 

 

 

 

 

100

 

Graphics

 

640x400

8

70

 

 

 

 

 

 

 

101

 

Graphics

 

640x480

8

60

 

 

 

 

 

 

 

101

 

Graphics

 

640x480

8

70

 

 

 

 

 

 

 

101

 

Graphics

 

640x480

8

72

 

 

 

 

 

 

 

101

 

Graphics

 

640x480

8

75

 

 

 

 

 

 

 

101

 

Graphics

 

640x480

8

85

 

 

 

 

 

 

 

102

 

Graphics

 

800x600

4

60

 

 

 

 

 

 

 

102

 

Graphics

 

800x600

4

72

 

 

 

 

 

 

 

102

 

Graphics

 

800x600

4

75

 

 

 

 

 

 

 

102

 

Graphics

 

800x600

4

85

 

 

 

 

 

 

 

103

 

Graphics

 

800x600

8

60

 

 

 

 

 

 

 

103

 

Graphics

 

800x600

8

70

 

 

 

 

 

 

 

103

 

Graphics

 

800x600

8

75

 

 

 

 

 

 

 

103

 

Graphics

 

800x600

8

85

 

 

 

 

 

 

 

105

 

Graphics

 

1024x768

8

60

 

 

 

 

 

 

 

105

 

Graphics

 

1024x768

8

70

 

 

 

 

 

 

 

105

 

Graphics

 

1024x768

8

75

 

 

 

 

 

 

 

105

 

Graphics

 

1024x768

8

85

 

 

 

 

 

 

 

107

 

Graphics

 

1280x1024

8

60

 

 

 

 

 

 

 

107

 

Graphics

 

1280x1024

8

70

 

 

 

 

 

 

 

107

 

Graphics

 

1280x1024

8

72

 

 

 

 

 

 

 

 

Chapter 2. System board features7

Image 15
Contents Technical Information Manual PC 300GL Types 6268, 6278, With 1999Apply AreContents System compatibility BiosSystem software Post26. J13 Modem/Ring Wakeup Connector Pin Assignments System board Keyboard portUSB port Internal Dasd IBM PrefaceRelated publications Terminology usageWhen Expressing storage Capacity MB equals Viii Technical Information Manual Major features System overviewSystem overview Ring Detect Other featuresNetwork support RingChapter System FeaturesDimm System memoryPCI bus SdramIDE bus master interface USB interfaceBus Acpi Video subsystemGraphics memory controller hub Super Video Graphics Array APMPC 300GL supports the following video subsystem modes Supported VGA video modesSupported Enhanced VGA video modes Mode Screen Resolution Colors Refresh Rate FeaturesVideo memory Monitor supportSerial ports Audio subsystemController Diskette drive interfaceSerial port assignments Default setting for the serial port is COM1Parallel port Keyboard and mouse portsClock Network connectionFlash Eeprom Expansion adaptersJumper Cable connectorsBios configuration jumper J7A1 Physical layoutConnector panel for the desktop model Connector panelComputers Not Support Physical specificationsPhysical specifications DesktopRequirements CablingPower supply Power supplyPower input Power outputFor Each PCI connector Component outputsComponents draw less current than Maximum Shown Power supply Power That AvailableNominal Value Power Outputs Connector pin Assignments See Appendix a PinSystem software PlaySystem software Utility Configuration/Setup Utility programAdvanced Configuration and Power Interface Diagnostic programSystem compatibility System compatibilityHardware compatibility Hardware interruptsHard disk drives and controller Drive type 720 KB Mode MB ModeSoftware compatibility Software interruptsMachine-sensitive programs Appendix A. Connector pin assignments Appendix A. Connector pin assignmentsMonitor connector Memory connectorsPin 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 Keyboard Wakeup and Wake on LAN connectorsUSB port connectors PortParallel port connector pin assignments Serial port connectorKeyboard port connector pin assignments Serial Port Connector Pin Assignments2. Parallel port connector pin assignments System Appendix B. System address mapsSystem AppendixICH1, DMA MapsBits Byte Pointer Are ReservedO address map DMA I/O address mapConfiguration MapSystem address maps DMA channel assignments Appendix C. IRQ and DMA channel assignmentsAppendix C. IRQ and DMA channel assignments IRQ channel assignmentsComplete List Appendix D. Error CodesError Codes Beep codes300 Appendix E. Notices and trademarksReferences This Publication ReferenceReferences Advanced PowerSpecification Low Pin Count Interface SpecificationIndex 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.