v
Removing the Hard Drive....................................... 3-7
Removing the Hard Drive Mount Assembly ....... 3-8
Removing the Power Supply .................................. 3-9
Removing the Motherboard.................................. 3-10
Removing the Operator Display .......................... 3-11
Removing the LCD Controller Board Assembly 3-14
Removing the Customer Display LCD................ 3-16
Removing the Touchscreen ................................... 3-17
Circuit Boards ................................................................ 3-18
Processor Boards..................................................... 3-18
Processor Board Components .......................... 3-18
Replacing the Lithium Battery ......................... 3-20
Replacing the Processor..................................... 3-21
Interrupts............................................................. 3-24
DMA Channels ................................................... 3-25
Processor Board Connector Pin-Outs.............. 3-25
Ethernet 10/100 LAN Interface........................ 3-35
Power Supply.......................................................... 3-36
DC Outputs ......................................................... 3-36
Cable Pin Outs .................................................... 3-37
Terminal Power Diagram.................................. 3-38
Clearing the Password.................................................. 3-39
Index
