ACER, INC.
AX65
| 
 Device Type  | 
 Mainboard  | 
| 
 Processor  | 
 Pentium Pro  | 
| 
 Processor Speed  | 
 150/166/180/200MHz  | 
| 
 Chip Set  | 
 Intel  | 
| 
 Video Chip Set  | 
 None  | 
| 
 Maximum Onboard Memory  | 
 512MB (EDO supported)  | 
| 
 Maximum Video Memory  | 
 None  | 
| 
 Cache  | 
 256/512KB (located on Pentium Pro CPU)  | 
| 
 BIOS  | 
 Award  | 
| 
 Dimensions  | 
 305mm x 244mm  | 
| 
 I/O Options  | 
 32-bit PCI slots (5), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB interface, ATX power connector  | 
| 
 NPU Options  | 
 None  | 

| 
 CONNECTIONS  | 
|||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 ATX power connector  | 
 ATX  | 
 IDE interface LED  | 
 JP15  | 
| 
 Serial port 1  | 
 CN1  | 
 Soft off power supply  | 
 JP23/pins 1 & 2  | 
| 
 PS/2 mouse port  | 
 CN2  | 
 Power LED  | 
 JP23/pins 3 - 5  | 
| 
 Parallel port  | 
 CN4  | 
 Speaker  | 
 JP23/pins 7 - 10  | 
| 
 Serial port 2  | 
 CN5  | 
 Green PC LED  | 
 JP23/pins 12 & 13  | 
| 
 Chassis fan power  | 
 J1  | 
 Green PC connector  | 
 JP23/pins 15 - 17  | 
| 
 Floppy drive interface  | 
 J4  | 
 Reset switch  | 
 JP23/pins 19 & 20  | 
| 
 IDE interface 1  | 
 J5  | 
 32-bit PCI slots  | 
 PC1 - PC5  | 
| 
 IDE interface 2  | 
 J6  | 
 USB interface  | 
 USB  | 
| 
 IR connector  | 
 JP13  | 
 
  | 
 
  | 
| 
 USER CONFIGURABLE SETTINGS  | 
|||
| 
 Function  | 
 Label  | 
 Position  | 
|
| 
 »  | 
 On board I/O enabled  | 
 JP6  | 
 Pins 2 & 3 closed  | 
| 
 
  | 
 On board I/O disabled  | 
 JP6  | 
 Pins 1 & 2 closed  | 
| 
 »  | 
 Keyboard clock select ISA clock  | 
 JP7  | 
 Pins 2 & 3 closed  | 
| 
 
  | 
 Keyboard clock select 12MHz  | 
 JP7  | 
 Pins 1 & 2 closed  | 
| 
 »  | 
 PS/2 mouse enabled  | 
 JP8  | 
 Pins 1 & 2 closed  | 
| 
 
  | 
 PS/2 mouse disabled  | 
 JP8  | 
 Pins 2 & 3 closed  | 
| 
 »  | 
 Factory configured - do not alter  | 
 JP9  | 
 Unidentified  | 
| 
 »  | 
 CMOS memory normal operation  | 
 JP10  | 
 Pins 2 & 3 closed  | 
| 
 
  | 
 CMOS memory clear  | 
 JP10  | 
 Pins 1 & 2 closed  | 
| 
 
  | 
 Power switch type select toggle  | 
 JP14  | 
 Pins 2 & 3 closed  | 
| 
 
  | 
 Power switch type select momentary  | 
 JP14  | 
 Pins 1 & 2, 3 & 4 closed  | 
| 
 SIMM CONFIGURATION  | 
||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 8MB  | 
 (2) 1M x 36  | 
 None  | 
| 
 16MB  | 
 (2) 2M x 36  | 
 None  | 
| 
 16MB  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
| 
 24MB  | 
 (2) 2M x 36  | 
 (2) 1M x 36  | 
| 
 32MB  | 
 (2) 4M x 36  | 
 None  | 
| 
 32MB  | 
 (2) 2M x 36  | 
 (2) 2M x 36  | 
| 
 40MB  | 
 (2) 4M x 36  | 
 (2) 1M x 36  | 
| 
 48MB  | 
 (2) 4M x 36  | 
 (2) 2M x 36  | 
| 
 64MB  | 
 (2) 8M x 36  | 
 None  | 
| 
 64MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 72MB  | 
 (2) 8M x 36  | 
 (2) 1M x 36  | 
| 
 SIMM CONFIGURATION (CON'T)  | 
||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 80MB  | 
 (2) 8M x 36  | 
 (2) 2M x 36  | 
| 
 96MB  | 
 (2) 8M x 36  | 
 (2) 4M x 36  | 
| 
 128MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
| 
 128MB  | 
 (2) 16M x 36  | 
 None  | 
| 
 136MB  | 
 (2) 16M x 36  | 
 (2) 1M x 36  | 
| 
 144MB  | 
 (2) 16M x 36  | 
 (2) 2M x 36  | 
| 
 160MB  | 
 (2) 16M x 36  | 
 (2) 4M x 36  | 
| 
 192MB  | 
 (2) 16M x 36  | 
 (2) 8M x 36  | 
| 
 256MB  | 
 (2) 16M x 36  | 
 (2) 16M x 36  | 
| 
 256MB  | 
 (2) 32M x 36  | 
 None  | 
| 
 264MB  | 
 (2) 32M x 36  | 
 (2) 1M x 36  | 
| 
 272MB  | 
 (2) 32M x 36  | 
 (2) 2M x 36  | 
| 
 288MB  | 
 (2) 32M x 36  | 
 (2) 4M x 36  | 
| 
 320MB  | 
 (2) 32M x 36  | 
 (2) 8M x 36  | 
| 
 384MB  | 
 (2) 32M x 36  | 
 (2) 16M x 36  | 
| 
 512MB  | 
 (2) 32M x 36  | 
 (2) 32M x 36  | 
| 
 Note: Board accepts EDO memory.  | 
||
| 
 CACHE CONFIGURATION  | 
| 
 Note: 256KB/512KB cache is located on the Pentium Pro CPU.  | 
| 
 CPU SPEED SELECTION  | 
|||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 JP3  | 
 JP4  | 
 JP5  | 
| 
 150MHz  | 
 60MHz  | 
 2.5x  | 
 3 & 4  | 
 3 & 4, 5 & 6, 7 & 8  | 
 3 & 4  | 
| 
 166MHz  | 
 66MHz  | 
 2.5x  | 
 1 & 2  | 
 3 & 4, 5 & 6, 7 & 8  | 
 1 & 2  | 
| 
 180MHz  | 
 60MHz  | 
 3x  | 
 3 & 4  | 
 1 & 2, 3 & 4, 7 & 8  | 
 3 & 4  | 
| 
 200MHz  | 
 66MHz  | 
 3x  | 
 1 & 2  | 
 1 & 2, 3 & 4, 7 & 8  | 
 1 & 2  | 
| 
 Note: Pins designated should be in the closed position.  | 
|||||
| 
 CPU VOLTAGE SELECTION  | 
||
| 
 Voltage  | 
 JP1  | 
|
| 
 »  | 
 Auto detect  | 
 Open  | 
| 
 
  | 
 2.1v  | 
 Pins 1 & 2 closed  | 
| 
 
  | 
 2.2v  | 
 Pins 3 & 4 closed  | 
| 
 
  | 
 2.3v  | 
 Pins 1 & 2, 3 & 4 closed  | 
| 
 
  | 
 2.4v  | 
 Pins 5 & 6 closed  | 
| 
 
  | 
 2.5v  | 
 Pins 1 & 2, 5 & 6 closed  | 
| 
 
  | 
 2.6v  | 
 Pins 3 & 4, 5 & 6 closed  | 
| 
 
  | 
 2.7v  | 
 Pins 1 & 2, 3 & 4, 5 & 6 closed  | 
| 
 
  | 
 2.8v  | 
 Pins 7 & 8 closed  | 
| 
 
  | 
 2.9v  | 
 Pins 1 & 2, 7 & 8 closed  | 
| 
 
  | 
 3.0v  | 
 Pins 3 & 4, 7 & 8 closed  | 
| 
 
  | 
 3.1v  | 
 Pins 1 & 2, 3 & 4, 7 & 8 closed  | 
| 
 
  | 
 3.2v  | 
 Pins 5 & 6, 7 & 8 closed  | 
| 
 
  | 
 3.3v  | 
 Pins 1 & 2, 5 & 6, 7 & 8 closed  | 
| 
 
  | 
 3.4v  | 
 Pins 3 & 4, 5 & 6, 7 & 8 closed  | 
| 
 
  | 
 3.5v  | 
 Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed  | 
| 
 FLASH BIOS SELECTION  | 
|||
| 
 Setting  | 
 JP11  | 
 JP12  | 
|
| 
 »  | 
 Enabled  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 
  | 
 Disabled  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  |