GE
D
IRECTION
FQ091019, R
EVISION
2
V
IVID Q
N S
ERVICE
M
ANUAL
Chapter 5 - Components and Function (Theory)
5-25
5-4-4
Hard Disk
The Hard Disk is the main storage device of the Vivid q N ultrasound unit. The Hard Disk, which is
controlled by the CPU via signals from the IDE Bus, is partitioned into four drives, each of which is
designated for different operations, as follows:
•
C: Drive:
Execution of the operating system and the software application, and factory presets.
The partition size is 5 GB.
•
D: Drive:
User presets and data. The partition size is 5GB.
•
E: Drive:
Archiving of all images and reports. The partition size is the balance of available space
on the hard disk.
•
F: Drive:
Swap file partition. The partition size is 1GB.
The following additional partitions are hidden:
•
Grub:
32MB
•
Repository:
10GB
NOTE:
When connected to the system, a DVD device or disk-on-key will not necessarily be shown as
G drive.
5-4-5
Fan Control
The Fan board holds five fans and is mounted on the left side of the bottom assembly. A special fan
speed controller chip is used to control the fans’ speed. The Fan Board is connected to the BEP via the
Fan cable.
Each Fan has 3 wires: two 12V wires that supply power to the fans; a 3rd wire for sensing the fans’
speed.
Figure 5-19 Location of Fan Board in the Bottom Assembly
5-4-6
RTC (BIOS) Battery
The RTC (BIOS) battery provides power to the ETX real-time clock.
NOTE:
The RTC (BIOS) Battery should be replaced every 2 years.
For instructions, refer to
"BIOS Battery Replacement" on page 8-47
Fan Board