Lenovo PC 300PL Technical Information Manual 6275, 6285 - Page 20

Video Subsystem, Integrated AGP S3 TRIO 3D SVGA Super Video Graphics Array, Video Memory

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Chapter 2. System-Board Features Video Subsystem The video subsystem on the system board includes the Integrated AGP S3 TRIO 3D SVGA (super video graphics array) controller. The system board supports up to two SGRAM memory modules. Each module contains 2 MB of SGRAM memory. Integrated AGP S3 TRIO 3D SVGA (Super Video Graphics Array) The Integrated AGP S3 TRIO 3D SVGA (super video graphics array) supports all video graphics array (VGA) modes and is compliant with super video graphics array (SVGA) modes and Video Electronics Standards Association (VESA) 1.2. Some enhanced features are: Plug and Play support 100 MHz SGRAM support Advanced Power Management support Color space conversion Hardware scaling Both the PC 300GL (Types 6275 and 6285) and the PC 300PL (Types 6862 and 6892) have an AGP bus and are AGP 1.0 compliant. The S3 TRIO 3D video subsystem supports the VESA Display Data Channel (DDC) standard 1.1 and uses DDC1 and DDC2B to determine optimal values during automatic monitor detection. For information on resource assignments, see Appendix B, "System Address Maps" on page 64 and Appendix C, "IRQ and DMA Channel Assignments" on page 68. The video subsystem provides a 15-pin monitor connector on the system board. For information on connector pin assignments, see "Monitor Port Connector" on page 63. Video Memory The video memory interface is controlled by an S3 TRIO 3D graphics controller. The amount of SGRAM shipped with the video subsystem is 4MB in the PC 300PL computers, and 2MB in the PC 300GL computers. The video memory module used in the PC 300PL (Types 6862 and 6892) is 2 MB 512K X32, with 100MHz SGRAM. The video memory module used in the PC 300GL (Types 6275 and 6285) is 2 MB 256K X32, with 100MHz SGRAM. The PC 300GL (Types 6275 and 6285) can be upgraded from 2 MB SGRAM to 4 MB SGRAM with a 2 MB SGRAM SODIMM. The SODIMM can be plugged into the SODIMM socket on the system board. For details, see Installing Options in Your Personal Computer. 8 Technical Information Manual

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Chapter 2.
System-Board Features
Video Subsystem
The video subsystem on the system board includes the Integrated AGP S3 TRIO 3D SVGA (super video
graphics array) controller.
The system board supports up to two SGRAM memory modules.
Each module
contains 2 MB of SGRAM memory.
Integrated AGP S3 TRIO 3D SVGA (Super Video Graphics Array)
The Integrated AGP S3 TRIO 3D SVGA (super video graphics array) supports all video graphics array
(VGA) modes and is compliant with super video graphics array (SVGA) modes and Video Electronics
Standards Association (VESA) 1.2.
Some enhanced features are:
Plug and Play support
100 MHz SGRAM support
Advanced Power Management support
Color space conversion
Hardware scaling
Both the PC
300GL (Types 6275 and 6285) and the PC
300PL (Types 6862 and 6892) have an AGP bus
and are AGP 1.0 compliant.
The S3 TRIO 3D video subsystem supports the VESA Display Data Channel
(DDC) standard 1.1 and uses DDC1 and DDC2B to determine optimal values during automatic monitor
detection.
For information on resource assignments, see Appendix
B, “System Address Maps” on page
64 and
Appendix
C, “IRQ and DMA Channel Assignments” on page
68.
The video subsystem provides a 15-pin monitor connector on the system board.
For information on
connector pin assignments, see “Monitor Port Connector” on page
63.
Video Memory
The video memory interface is controlled by an S3 TRIO 3D graphics controller.
The amount of SGRAM
shipped with the video subsystem is 4MB in the PC 300PL computers, and 2MB in the PC 300GL
computers.
The video memory module used in the PC
300PL (Types 6862 and 6892) is 2 MB 512K X32, with
100MHz SGRAM.
The video memory module used in the PC
300GL (Types 6275 and 6285) is 2 MB 256K X32, with
100MHz SGRAM.
The PC
300GL (Types 6275 and 6285) can be upgraded from 2 MB SGRAM to 4 MB
SGRAM with a 2 MB SGRAM SODIMM.
The SODIMM can be plugged into the SODIMM socket on the
system board.
For details, see
Installing Options in Your Personal Computer
.
8
Technical Information Manual