GE M
EDICAL
S
YSTEMS
- K
RETZTECHNIK
U
LTRASOUND
D
IRECTION
105844, R
EVISION
1
V
OLUSON
® 730 S
ERVICE
M
ANUAL
5-26
Section 5-5 - Back End Processor
5-5-2
Back End - Board Descriptions
5-5-2-1
SBC - Single Board Computer
Built in or external Components:
-
Network, USB
-
Sound (in old Version separate PCB)
-
SCSI (in old Version separate PCB)
Major Tasks:
-
System Control
-
3D-Rendering
-
Image Processing (CRI, Strain Image, etc.)
-
Mouse (COM-Interface)
-
RS232 (User Interface)
-
PS2 (User Interface PC-Keyboard, Mouse as Trackball)
5-5-2-2
CPS - DMA-Controller-Card
•
US-Line Memory, Frame Memory
•
DSC(Digital. Scan Converter) for 2D
•
DMA-Controller f. High Speed Data Transfer into Slot-CPU-Memory
5-5-2-3
CKV - Video-Card
•
Overlay-Logic (Adding the Overlay graphics to the Ultrasound graphics)
•
VGA-Output (2 Channels) for the System Main Monitor
•
Video-Converter RGB-VHS, External Video Playback PAL/NTSC Video Generation etc.
5-5-2-4
Hard Disk Drive
Minimum 20GB; IDE
Stores the system programs and Image filing (patient data, Report files)
5-5-2-5
CPE - Back Panel I/O-Card
MultiAmplifier for PC-Sound<>Doppler Audio
Feed through for DC- Power and signals and for built in Peripherals (User Interface, Disk drive module,
ECG, etc.)
5-5-2-6
CPM - PC-Motherboard card
Industrial Standard compatible (PCI) Motherboard
For interfacing between Front End and Back End Processor.
CPE is connected at CPM too.