System Configuration
3-43
3.4.3
Jumper Settings
The backplane has two jumpers, J3 and J4, that allow you to select
the terminator power source. J4 supports the three upper drive slots
(slots 1, 2, and 3) on the backplane. J3 supports the four lower drive
slots (slots 4, 5, 6, and 7).
Figure 3-34 shows the settings for jumpers J3 and J4.
Figure 3-34
Settings for Jumpers J3 and J4
You may also set J3 to setting 1 and J4 to
setting 2, or vice versa.
For single-channel configuration, settings 1
and 2 for J3 are disabled since terminators
RA4, RA5, and RA6 are removed.
Terminator power comes from the
backplane (P1)
* Default setting
Terminator power comes from the
SCSI cable (P2)
Summary of Contents for Altos 19000PRO4
Page 1: ...AcerAltos 19000Pro4 AcerAltos 19000Pro4 System Guide ...
Page 32: ...1 14 AcerAltos 19000Pro4 System Guide ...
Page 39: ...2 6 AcerAltos 19000Pro4 System Guide 2 2 2 Mouse Figure 2 4 Connecting a Mouse ...
Page 40: ...Setting Up the System 2 7 2 2 3 VGA Monitor Figure 2 5 Connecting a VGA Monitor ...
Page 64: ...3 20 AcerAltos 19000Pro4 System Guide Figure 3 21 Removing the Thermal Air Guide ...
