Tech Source GXTRA Series Hardware Installation page 7

3.7 Setting the Test Options . . . . . . . . . . . . . . . . . . . 3-5
3.7.1 Open Boot Version 1.x . . . . . . . . . . . . 3-6
3.7.2 Open Boot Version 2.x . . . . . . . . . . . . 3-6
Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.1 The SBus Interface . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.2 The GXTRAengine . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.2.1 QUAD Command . . . . . . . . . . . . . . . . 4-1
4.2.2 BLIT Command . . . . . . . . . . . . . . . . . 4-2
4.2.3 PIXEL1 Command . . . . . . . . . . . . . . . 4-2
4.3 RAMDAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
4.4 The FORTH PROM . . . . . . . . . . . . . . . . . . . . . . 4-3
4.5 Timing Parameters . . . . . . . . . . . . . . . . . . . . . . . 4-3
4.6 GXTRA SBus Card Slot Requirements . . . . . . 4-10
Description of the GXTRA/2 Turbo . . . . . . . . . . . . . . . . . . . . . 5-1
5.1 Main Features . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5.2 Card Specifications . . . . . . . . . . . . . . . . . . . . . . . 5-1
5.3 Frame Buffer Organization . . . . . . . . . . . . . . . . . 5-2
5.4 Electrical Specifications . . . . . . . . . . . . . . . . . . . 5-2
Description of the GXTRA/3 Turbo . . . . . . . . . . . . . . . . . . . . . 6-1
6.1 Main Features . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
6.2 Card Specifications . . . . . . . . . . . . . . . . . . . . . . . 6-1
6.3 Frame Buffer Organazation . . . . . . . . . . . . . . . . . 6-2
6.3.1 Frame Buffer Selection . . . . . . . . . . . . 6-2
6.4 Electrical Specifications . . . . . . . . . . . . . . . . . . . . 6-2
List of Figures
Figure 2.1 Opening the SPARCstation 1+ and 2 . . . 2-4
Figure 2.2 Opening the SPARCstation IPC, IPX and
SPARCclassic . . . . . . . . . . . . . . . . . . . . . . . 2-5
Figure 2.3 SBus Slot Locations for SPARCstation 1+
and 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Figure 2.4 Rear Panel Cover and Board Socket
Locations for SPARCstation 1+ and 2 . . . . . 2-8
Figure 2.5 Card and Logic Board Alignment . . . . . . 2-9
Figure 2.6 IPC and IPX SBus Slot Locations . . . . . 2-10
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
Table of Contents (continued)
ii