Contents
AI5TT Pentium Baby AT Motherboard User’s Manual i
Contents
Chapter 1 Introduction....................................................1
Chapter 2 Specifications..................................................2
Chapter 3 Hardware Description ...................................4
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
Chapter 4 Configuring the AI5TT................................11
4.1 SW1 (1-4), JP3, JP1: CPU Frequency Selector.......................13
4.2 SW2 (1-4): CPU Voltage Selector ..........................................16
4.3 JP5: Clear CMOS Content.......................................................18
Chapter 5 Installation....................................................19
5.1 J1, J4: AT Keyboard and PS/2 Mouse Connectors..................21
5.2 J2: ATX Power Supply Connector..........................................21
5.3 J3: AT Power Connector.........................................................22
5.4 J5: Infrared Connector.............................................................22
5.5 J7, J6: Serial Ports...................................................................23
5.6 J8: Parallel Port Connector......................................................23
5.7 J9: Floppy Drive Connector ....................................................24
5.8 J10: USB Connector................................................................24
5.9 J11: Wake on LAN Connector ................................................25
5.10 J12: CPU Fan Power Connector............................................25
5.11 J14, J13: IDE Connectors......................................................26
5.12 J15: Front Bezel Connector...................................................27
