2 ELPHY Plus and ELPHY Quantum Hardware Guide
8
2.1.2 ELPHY Quantum
The ELPHY Quantum is a full length PCI multi layer card. The card
requires one PCI slot and two access slots at the rear of the PC.
The PCI card provides the following interface:
• X DAC scan output;
• Y DAC scan output;
• TTL level beam blank control signal output;
• Video input from the SEM;
• TTL level SEM external control switching signal;
• IO port for Raith use.
The input and output levels are factory set to match the users SEM.
Figure 1
ELPHY Quantum
board connections
at the rear of the
PC.
TTL BEAM BLANK
Y DAC OUTPUT
X DAC OUTPUT
VIDEO IN
EXTERNAL/INTERNAL
I/O-PORT
2.1.3 ELPHY Plus
The ELPHY Plus is a 19in. advance rack-based system to reduce
electronic noise. Apart from the interface signals the ELPHY
Quantum provides, the ELPHY Plus also has:
• A SCSI interface to the PC;
• X Y beam shift inputs;
• Video out to a monitor (BAS out);
There are also additional manual controls and visual indicators:
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