Chapter 3 Hardware Description
4
AI5TT Pentium Baby AT Motherboard User
’
s Manual
Chapter 3 Hardware Description
This chapter briefly describes each of the major features of the AI5TT
motherboard. The layout of the board is shown in Figure 1 which shows
the locations of the key components. The topics covered in this chapter
are as follows:
3.1 Processor and CPU Voltage...................................................6
3.2 L2 Cache Memory .................................................................6
3.3 Main Memory ........................................................................6
3.4 BIOS ......................................................................................8
3.5 Interrupt Request Lines (IRQ) ...............................................8
3.6 DMA Channels ......................................................................9
3.7 I/O Port Address Map ............................................................9
3.8 Onboard PCI EIDE ..............................................................10
3.9 Onboard Multi-I/O...............................................................10
3.10 System Hardware Monitor Device (optional) ....................10
