xii3.4.5 Channel Configuration............................. 3-453.4.6 Installing a Backplane Board ................... 3-483.5 Front Panel Board.................................................. 3-513.6 Power Subsystem .................................................. 3-533.6.1 Power Supply Upgrade............................ 3-543.6.2 Charger Board and Battery Box............... 3-623.6.3 Power Cable Connections ....................... 3-67Chapter 4 BIOS Utility4.1 Entering Setup......................................................... 4-24.2 System Information.................................................. 4-34.2.1 Processor .................................................. 4-44.2.2 Processor Speed ....................................... 4-44.2.3 Bus Frequency .......................................... 4-44.2.4 Internal Cache........................................... 4-44.2.5 External Cache.......................................... 4-54.2.6 Floppy Drive A .......................................... 4-54.2.7 Floppy Drive B .......................................... 4-54.2.8 IDE Primary Channel Master ..................... 4-54.2.9 IDE Primary Channel Slave....................... 4-54.2.10 Total Memory ............................................ 4-64.2.11 Serial Port 1 .............................................. 4-64.2.12 Serial Port 2 .............................................. 4-64.2.13 Parallel Port .............................................. 4-64.2.14 Pointing Device ......................................... 4-6