Tektronix TLA 704, Руководство по обслуживанию

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Specifications
TLA 704 Color Portable Mainframe Service Manual
1–3
Table 1–2: Display system
Characteristic Description
Classification Standard PC graphics-accelerator technology (bitBLT-based); capable of
supporting both internal color LCD display and external color SVGA/XGA
monitor
Display Memory DRAM-based frame-buffer memory
Size 1 MByte
Width 32-bit
Display Selection 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.
External Display Drive 1 SVGA/XGA-compatible analog output port
Display Size Resolution (Pixels) Colors DDC1?
640x480 256 yes
640x480 64K yes
640x480 16.8M no
800x600 256 yes
800x600 64K yes
1024x768 256 yes
Internal Display
Classification Thin Film Transistor (TFT) 10.4” active-matrix color LCD display, CCFL
backlight, intensity controllable via software.
Resolution 640 pixels horizontal by 480 pixels
Color Scale 262,144 colors (6-bit RGB)
Table 1–3: Backplane interface
Characteristic Description
Slots 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)