Tektronix TLA 704, Service Manual

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Troubleshooting
6–54
TLA 704 Color Portable Mainframe Service Manual
The BIOS jumper does not need to be removed after the BIOS is updated.
Controller
board
RAM SIMMs
Rear panel
H2
1
3
Jumper
Figure 6–19: BIOS jumper location
7. After installing the BIOS jumper, reassemble the instrument.
The new BIOS requires you to change the CMOS BIOS settings. This only has to
be done once. To change the CMOS BIOS settings, follow these steps:
1. Insert the BIOS software floppy disk into the disk drive.
2. Power the instrument on. The floppy disk is a bootable floppy.
3. At the A:\> prompt, type phlash and press <Return>.
4. When the install program completes, press any key at the prompt.
5. Remove the floppy disk from the floppy disk drive.
Perform the following steps to configure the BIOS CMOS setup. You may want
to refer to the TLA 700 Series Installation Manual for a complete list of the
parameters for the CMOS setup.
1. Power the instrument off, and then on.
2. During the boot up process, press the <F2> key to enter the CMOS Setup.
You may see a Checksum Error message. This is because you have not yet
configured the CMOS setup.
3. Select Continue from the menu to load the default values.
Set Up and Update the
BIOS
Configure the CMOS
Setup and Complete the
Setup