Operation (Compaq Tru64 UNIX)

7.3.2 Developing OpenGL Applications on Tru64 UNIX

This section provides information for developing OpenGL applications that optimize the performance of PowerStorm 300/350 PCI graphics controllers on Tru64 UNIX platforms. If you have a PowerStorm 300 AGP or 300/350 PCI graphics controller on a Windows NT platform, see Section 5.3.2.

Table 7-1 Supported GLX Visuals on a PowerStorm 300 PCI Graphics Controller

Visual ID *

 

0x21

 

0x22

 

0x24

 

0x25

 

0x28

 

0x29

Color buffer format

 

RGB

 

RGB

 

CI

 

CI

 

CI

 

CI

Color buffer size

(8,8,8,0)

(8,8,8,0)

8

8

8

8

Overlay planes

 

 

 

 

 

 

 

 

 

X

 

X

Double-buffered

 

 

 

X

 

 

 

X

 

 

 

X

Quad-buffered

 

 

 

 

 

 

 

 

 

 

 

 

Z-buffer size

24

24

24

24

 

N/A

 

N/A

Stencil planes

1

1

1

1

 

N/A

 

N/A

Accum buffer size

(16,16,16,0)

(16,16,16,0)

 

N/A

 

N/A

 

N/A

 

N/A

X class

 

TrueColor

 

TrueColor

Pseudo

Pseudo

Pseudo

Pseudo

 

 

 

 

 

 

Color

 

Color

 

Color

 

Color

X depth

24

24

8

8

8

8

X colormap size

256

256

256

256

256

256

X RGB masks

 

(0xff0000,

 

(0xff0000,

 

N/A

 

N/A

 

N/A

 

N/A

 

0xff00, 0xff)

0xff00, 0xff)

 

 

 

 

 

 

 

 

X significant bits

8

8

 

N/A

 

N/A

 

N/A

 

N/A

 

 

 

 

 

 

 

 

 

 

 

 

 

*Visual IDs listed are for the first screen. Equivalent visuals on the second head of a dual-head configuration will have different visual IDs.

PowerStorm 300 AGP and 300/350 PCI Graphics Controllers 7–7

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Compaq 300 manual Developing OpenGL Applications on Tru64 Unix, Visual ID

300 specifications

The Compaq 300, introduced in the early 1990s, marked a pivotal moment in personal computing, combining cutting-edge technology with user-centric design. This desktop system was targeted at both business professionals and home users, reflecting the growing demand for powerful yet affordable computing solutions.

One of the main features of the Compaq 300 was its robust Intel processor. It originally shipped with various configurations of Intel's 80486 microprocessor, which provided a significant performance boost over its predecessors. The 486 architecture enabled users to run more complex applications, enhancing productivity and making it suitable for tasks ranging from word processing to graphics editing.

In terms of memory, the Compaq 300 supported up to 16MB of RAM, which was substantial for its time, allowing seamless multitasking of programs. The system typically included a 120MB IDE hard drive, which facilitated ample storage for documents and software, a critical aspect for users who needed to manage large volumes of data.

The Compaq 300 featured an integrated graphics card based on the popular VGA standard, enabling clear display quality for applications and gaming. Notably, its 14-inch CRT monitor that accompanied the system offered crisp visuals and an optimal viewing experience for users.

Another characteristic of the Compaq 300 was its expandability. The desktop came equipped with several expansion slots, allowing users to easily add components such as sound cards, network cards, or additional storage drives. This feature provided users with the flexibility to upgrade their systems as technology evolved, ensuring longevity in a rapidly changing landscape.

The Compaq 300 also showcased advanced connectivity options for its time. It included multiple serial and parallel ports, providing versatile connectivity with peripherals like printers, scanners, and modems. This adaptability was crucial, especially as businesses began to integrate more technology into their operations.

Durability and reliability were hallmarks of Compaq's design philosophy, and the Compaq 300 was no exception. Its solid construction and dependable components appealed to users who required a trustworthy system for daily tasks.

Overall, the Compaq 300 epitomized the intersection of performance, expandability, and reliability in desktop computing. Its innovative features and thoughtful design paved the way for future developments in the personal computer industry, making it a noteworthy entry in the history of computing technology.