Table 1-2: Display System; Table 1-3: Backplane Interface - Tektronix TLA 704 Service Manual

Table 1–2: Display system
Characteristic
Classification
Display Memory
Size
Width
Display Selection
External Display Drive
Display Size
Internal Display
Classification
Resolution
Color Scale
Table 1–3: Backplane interface
Characteristic
Slots
TLA 704 Color Portable Mainframe Service Manual
Description
Standard PC graphics-accelerator technology (bitBLT-based); capable of
supporting both internal color LCD display and external color SVGA/XGA
monitor
DRAM-based frame-buffer memory
1 MByte
32-bit
Hardware sense of external SVGA monitor during BIOS boot sequence;
defaults to internal color LCD display; automatically switches to external
SVGA monitor, if attached.
Dual (simultaneous) display of external SVGA monitor and internal color
LCD is possible via special CMOS "simulscan" setup, as long as internal
and external displays operate at same resolution (limited to 640x480 on
current TFT LCD) and display rates.
Dynamic Display Configuration 1 (DDC1) support for external SVGA
monitor is provided.
1 SVGA/XGA-compatible analog output port
Resolution (Pixels)
640x480
640x480
640x480
800x600
800x600
1024x768
Thin Film Transistor (TFT) 10.4" active-matrix color LCD display, CCFL
backlight, intensity controllable via software.
640 pixels horizontal by 480 pixels
262,144 colors (6-bit RGB)
Description
4 C-size, compliant with VXIBus System Spec Rev. 1.4, except as
follows:
MODID driver not capable of sinking 48 mA as required for 3-state
lines (meets standard design practices for VXI); and
TTLTRG* may not be unasserted after SYSRESET*, as ADG332
does not use SYSRESET* (accommodated via local controller
reset)
Specifications
Colors DDC1?
256 yes
64K yes
16.8M no
256 yes
64K yes
256 yes
1–3