Dram; Hdd; Serial Ports; Parallel Port - Casio QT-8000 Service Manual

5-2. DRAM

The QT-8000 provides 1 x 184-pin DIMM sockets and 256MB of DDR SDRAM as standard.
To install the memory module, follow the instructions below and check the list of DRAM
memories tested as QT-8000.
1. The DIMM slots have 2 Notch Keys, so the DIMM memory module can fit in one
direction.
2. Insert the DIMM memory module vertically into DIMM slot. Then push in.
3. The plastic clip at the side of the DIMM slot will automatically close.
The system is able to detect the new memory size automatically and it is not necessary to
change the system configuration after installation.

5-3. HDD

The standard QT-8000 already builds in a 2.5" hard disk drive. To maintain the HDD, follow
the installation instructions below and check the list of HDD tested as the QT-8000.
1. Take out the screws, the IDE cable and remove the HDD.
2. Reinstall the new HDD on the bracket. The four rubber stands act as cushions to lessen
the vibration, which usually causes damage to a mechanical device like a HDD.
3. Connect the IDE cable to the HDD. Match pin 1 of the HDD and the pin 1 of the cable.

5-4. Serial Ports

QT-8000 has four onboard serial ports. 4 x Dsub-9pin connectors at rear side, and each
serial port is with +5V/+12V voltage selection on pin 9 by jumper. All serial ports are D-SUB
9-pin connectors.

5-5. Parallel Port

The printer interface is a 25-pin D-SUB connector located on the rear side. To connect any
parallel device just plug in the device connector to the 25pin D-SUB. There are varieties of
parallel port peripherals in the market and interface specification vary depending on the
peripherals. The peripherals which have been confirmed with the QT-8000 terminals are
listed in the Appendix and others may not be supported. Please confirm connectivity of
each peripherals before install to the customer site.
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