GE Logiq 9 Service Manual

GE MEDICAL SYSTEMS PROPRIETARY TO GE
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IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL 
Chapter 5 Components and Functions (Theory) 5-21
5-3-6EBM, EBM2 Board (cont’d)
5-3-6-3 EBM/EBM2 Interface with XDIF relay board
The EBM/EBM2 EQ section supports an eight-bit read/write data interface to the XDIF relay board. The 
interface is used to transfer commutator control information to the selected probe and provides host 
access to the XDIF relay board itself. The EBM/EBM2 board monitors four...

GE MEDICAL SYSTEMSPROPRIETARY TO GE
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IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL   
5-22 Section 5-3 - Front End Processor
5-3-6EBM, EBM2 Board (cont’d)
5-3-6-4 B–Mode Output Blocks
The B–mode output block collect vector data and tags for delivery to the Scan Control Board. It can form 
output vectors from one or multiple input vectors (multi–transmit focus). The vector tags are used to 
form the control bytes in the output vector. Only complete vectors are sent to the BM_OUTPUT Block....

GE MEDICAL SYSTEMS PROPRIETARY TO GE
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IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL 
Chapter 5 Components and Functions (Theory) 5-23
Section 5-4
Back End Processor (BEP)
The Back End Processor (BEP) receives the data from the Front End Electronics, stores it in memory, 
performs scan conversion to pixel domain, and drives the system RGB monitor.
Back End Processor software is also providing Color Flow, Doppler, and M-Mode Processing.
NOTE: Specifications mentioned about the Back End...

GE MEDICAL SYSTEMSPROPRIETARY TO GE
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IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL   
5-24 Section 5-4 - Back End Processor (BEP)
5-4-1 Enclosure
The EMC enclosure shall house an ATX Power Supply with UPS battery backup, an ATX style 
motherboard with minimum of 512 MB of ram and two 733MHz processors
5-4-2 PCI Cards
5 PCI slots on the mother board shall contain the following:
1.) PCI Video Card - Digital Video to the Touch Panel
2.) Sound Card - Sound Blaster Live for audio to speakers...

GE MEDICAL SYSTEMS PROPRIETARY TO GE
D
IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL 
Chapter 5 Components and Functions (Theory) 5-25
5-4-7 Additional Memory (RAM)(BT’03, October 2003) - BEP2.2
Additional memory was added to the motherboard for R3.0.0 Software and BT’03. one of the 256 MByte 
SIMM modules was replaced with a 512 MByte module. This brings the total RAM memory to 
768MBytes and designated the unit to be a BEP2.2.
5-4-8 DGVIC/DGIO Upgrade
It is possible that older P3 Back...

GE MEDICAL SYSTEMSPROPRIETARY TO GE
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IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL   
5-26 Section 5-4 - Back End Processor (BEP)
5-4-10Internal Storage Devices:
• A 20 or 40 Gigabyte EIDE Hard Disk Drive (HDD) inside the Back End Processor cabinet.
• 3.5 inch Magneto-Optical Drive (MOD) (available from front of scanner).
• CD-RW Drive (available from front of scanner).
5-4-11 Location of the Back End Processor
5-4-12 Inputs
5-4-12-1 AC Power
 
5-4-12-2 DC Voltages
 
Figure 5-19   Backend...

GE MEDICAL SYSTEMS PROPRIETARY TO GE
D
IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL 
Chapter 5 Components and Functions (Theory) 5-27
5-4-12Inputs (cont’d)
5-4-12-3 Input Signals
5-4-12-4 Bi-directional Signals
NOTE: BEP2.x processors have one Com Port and six USB Ports. The Com Port is connected to the 
modem via the Internal I/O. A USB to Serial Converter feeds the external serial connection via 
the Internal I/O. BEP 2.1 Processors have digital video coming from a Matrox or ADD card...

GE MEDICAL SYSTEMSPROPRIETARY TO GE
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IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL   
5-28 Section 5-4 - Back End Processor (BEP)
5-4-12-5 USB to Serial Adapter Cable Setup (RS232 Serial Port Connector on the External I/O)
The Prolific USB to RS232 Adapter Cable (black one) should be properly set up when the Base Image 
Load is applied to the system. However, if you need to set a specific parameter for the USB COM Port 
(COM1) perform the following steps:
- After booting up with the...

GE MEDICAL SYSTEMS PROPRIETARY TO GE
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IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL 
Chapter 5 Components and Functions (Theory) 5-29
5-4-14 BEP Power On Path
(refer to Figure 5-20 on page 5-29 )
The Back End Processor is powered ON by: 
- Press and release the OP I/O Standby (On/Off) switch. 
- The signal from the OP I/O goes to the II/O (A4) and through the rack power relay in the 
Internal I/O.
- The PC Power ON signal from the II/O (B6) goes to the PC2IO (D2) then to the BEP...

GE MEDICAL SYSTEMSPROPRIETARY TO GE
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IRECTION 2294854-100, REVISION 3  LOGIQ™ 9 PROPRIETARYMANUAL   
5-30 Section 5-4 - Back End Processor (BEP)
5-4-15 BEP Power Off Path
(refer to Figure 5-21 on page 5-30 )
The Back End Processor is powered Off by: 
- Press and release the OP I/O Standby (On/Off) switch.
- The signal from the OP I/O goes to the II/O (A4) and through the rack power relay in the 
Internal I/O to the I
2C register.
- Software detects the request to power down via the I
2C buss from the...