
PAK-2005 Mainboard Manual
ii
3). Install the Central Processing Unit (CPU) ......................................... 25
Select Frequency and Voltage...................................................... 27
CPU to Bus Frequency Ratio: FREQ1, FREQ2, FREQ3......... 27
CPU External Clock (Bus) Frequency: CLK1, CLK2, CLK3 .. 28
Intel Pentium CPUs............................................................... 29
Frequency......................................................................... 29
Voltage............................................................................. 30
AMD-K5/K6 CPUs................................................................ 31
Frequency......................................................................... 31
Voltage............................................................................. 32
Cyrix 6x86/6x86MX / IBM 6x86/6x86MX CPUs .................. 33
Frequency......................................................................... 33
Voltage............................................................................. 34
4). Install Expansion Cards .................................................................... 35
Assigning IRQs for Expansion Cards ........................................... 37
Assigning DMA Channels for ISA Cards ..................................... 37
5). Connector Cables and Power Supply................................................. 38
Connectors .................................................................................. 38
Floppy Diskette Drive Connector (34-pin block): FLOPPY .... 38
Infrared Connector: IR ........................................................... 39
Serial Port Connectors (Two 9-pin Male): COM1, COM2...... 39
Serial Port and Serial Connector: COM1, COM2_E............... 40
Standard Power Connector: POWER...................................... 40
IDE HDD Device Connector: PRIMARY, SECONDARY....... 41
Universal Serial Bus Port: USB (with onboard USB port) ...... 42
Universal Serial Bus Connector: USB.................................... 42
PS/2 Keyboard Connector (6-pin Female): PS2_KB............... 43
PS/2 Mouse Connector (6-pin Female): PS2_MS ................... 43
Remote Power Supply Connector: RPW_CON1 ..................... 44
CPU Fan Connector: CHASIS FAN, CPU_FAN..................... 45
Front Panel Block Connector: F_PNL .................................... 46
LAN System Wakeup Connector: LAN_WAKE ..................... 47
System Chassis Open Alarm Connector: CHASIS .................. 48
VGA Feature Connector: FEATURE...................................... 48
VGA Connector: VGA........................................................... 49
Parallel Printer Connector (25-pin Female): PRINTER........... 49
Power Connection Procedures ................................................................ 50
Powering Off the Computer.................................................................... 50