J1 13W3 video J2 Local bus header U1-12 KM428C257T-6 U27 8187135 Pallete DAC U30 88G2562

U32 88G2832 U35 88G2832 U38 50.0000 MHz osc U40 66.0000 MHz osc 1

S36 Switch Positions

  I tried to tableize the GXT150L/155L switch settings, but it's too complex. So ask me for the GXT150L Switch Settings  (PDF)

POWER GXT150L GRAPHICS ADAPTER
This graphics adapter is designed for superior 2D performance in an
AIXwindows (R) 2D environment.
       The POWER GXT150L graphics adapter is an 8-bit single buffer,
256-color, graphics adapter that attaches to the PowerPC 601 local bus graphics expansion slot and does not use a Micro Channel slot. When used in conjunction with the AIXwindows 3D feature and Softgraphics, it provides cost-effective 3D performance.  This is made possible through a design that interfaces video memory and a unique graphics accelerator chip directly to the PowerPC 601 local bus graphics expansion slot.  The POWER GXT150L is similar to the previously announced POWER GXT150, but has been designed to fit into the larger graphics expansion slot in the RISC System/6000 Models 41T and 41W graphics workstations.
       The POWER GXT150L graphics adapter provides 1280 x 1024, 1152
x 900, and 1024 x 768 resolution support, three color palettes, and
hardware window support.
       The POWER GXT150L requires AIXwindows Environment/6000
Version 1.2.5 2D (support for X11R5), or later, and AIX (R)
Version 3.2.5 for RISC System/6000.  Refer to Software Announcement
293-489, dated September 21, 1993, for more details on AIXwindows and
Softgraphics.
       Characteristics:
o   Low-cost, high-performance graphical interface acceleration
o   2D hardware acceleration for:
    -   Points
    -   Lines
    -   Triangles
    -   Rectangles
    -   Quadrilaterals
    -   Bit block transfer
o   Pattern fill support
o   Rectangular and non-rectangular clipping
o   60 to 77Hz refresh modes
o   1280 x 1024, 1152 x 900, and 1024 x 768 resolution
o   256 colors from a palette of 16 million
o   Three color palettes
o   Hardware window support
o   Meets ISO 9241 Part 3 on appropriate displays
o   Maximum of one adapter per system can be installed

   With the POWER GXT150L graphics adapter, the workstation models are ideally suited to environments where high-performance and low-cost per seat are important.  By adding the AIXwindows 3D feature with Softgraphics, this product provides effective price/performance solutions for some 3D applications.  Refer to Software Announcement 293-489, dated September 21, 1993, for additional information on supported interfaces and recommended environments for Softgraphics.