M TECHNOLOGY, INC.
M668 STALLION
| 
 Device Type  | 
 Mainboard  | 
| 
 Processor  | 
 Pentium II  | 
| 
 Processor Speed  | 
 233/266/300MHz  | 
| 
 Chip Set  | 
 Intel  | 
| 
 Video Chip Set  | 
 None  | 
| 
 Maximum Onboard Memory  | 
 1GB (EDO & SDRAM supported)  | 
| 
 Maximum Video Memory  | 
 None  | 
| 
 Cache  | 
 256/512KB (located on Pentium II CPU)  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 305mm x 245mm  | 
| 
 I/O Options  | 
 32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, AGP slot, RAID slot  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 AGP slot  | 
 AGP  | 
 Reset switch  | 
 J3A  | 
| 
 ATX power connector  | 
 ATX  | 
 Soft off power supply  | 
 J3B  | 
| 
 Parallel port  | 
 CN1  | 
 Turbo LED  | 
 J3C  | 
| 
 Serial port 2  | 
 CN2  | 
 IDE interface LED  | 
 J3D  | 
| 
 Serial port 1  | 
 CN3  | 
 Power LED & keylock  | 
 J3E  | 
| 
 USB connector 2  | 
 CN4  | 
 Speaker  | 
 J3F  | 
| 
 USB connector 1  | 
 CN5  | 
 Wake on LAN connector  | 
 J10  | 
| 
 PS/2 mouse port  | 
 CN6  | 
 CPU fan power  | 
 JP8  | 
| 
 Floppy drive interface  | 
 CN7  | 
 CPU fan power  | 
 JP11  | 
| 
 IDE interface 1  | 
 CN8  | 
 32-bit PCI slots  | 
 PC1 – PC3  | 
| 
 IDE interface 2  | 
 CN9  | 
 RAID slot  | 
 SL1  | 
| 
 IR connector  | 
 J2  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 »  | 
 CMOS memory normal operation  | 
 JP3  | 
 Pins 2 & 3 closed  | 
| 
 CMOS memory clear  | 
 JP3  | 
 Pins 1 & 2 closed  | |
| 
 »  | 
 Modem wake up COM select COM2  | 
 JP6  | 
 Pins 1 & 2 closed  | 
| 
 Modem wake up COM select COM1  | 
 JP6  | 
 Pins 2 & 3 closed  | |
| 
 »  | 
 DRAM EEC mode select non EEC error  | 
 JP9  | 
 Pins 2 & 3 closed  | 
| 
 DRAM EEC mode select EEC error  | 
 JP9  | 
 Pins 1 & 2 closed  | |
| 
 DIMM CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 8MB  | 
 (1) 1M x 64  | 
 None  | 
 None  | 
 None  | 
| 
 16MB  | 
 (1) 2M x 64  | 
 None  | 
 None  | 
 None  | 
| 
 16MB  | 
 (1) 1M x 64  | 
 (1) 1M x 64  | 
 None  | 
 None  | 
| 
 24MB  | 
 (1) 2M x 64  | 
 (1) 1M x 64  | 
 None  | 
 None  | 
| 
 24MB  | 
 (1) 1M x 64  | 
 (1) 1M x 64  | 
 (1) 1M x 64  | 
 None  | 
| 
 32MB  | 
 (1) 4M x 64  | 
 None  | 
 None  | 
 None  | 
| 
 32MB  | 
 (1) 2M x 64  | 
 (1) 2M x 64  | 
 None  | 
 None  | 
| 
 32MB  | 
 (1) 1M x 64  | 
 (1) 1M x 64  | 
 (1) 1M x 64  | 
 (1) 1M x 64  | 
| 
 40MB  | 
 (1) 4M x 64  | 
 (1) 1M x 64  | 
 None  | 
 None  | 
| 
 48MB  | 
 (1) 4M x 64  | 
 (1) 2M x 64  | 
 None  | 
 None  | 
| 
 48MB  | 
 (1) 2M x 64  | 
 (1) 2M x 64  | 
 (1) 2M x 64  | 
 None  | 
| 
 DIMM CONFIGURATION (CON’T)  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 64MB  | 
 (1) 2M x 64  | 
 (1) 2M x 64  | 
 (1) 2M x 64  | 
 (1) 2M x 64  | 
| 
 64MB  | 
 (1) 8M x 64  | 
 None  | 
 None  | 
 None  | 
| 
 64MB  | 
 (1) 4M x 64  | 
 (1) 4M x 64  | 
 None  | 
 None  | 
| 
 72MB  | 
 (1) 8M x 64  | 
 (1) 1M x 64  | 
 None  | 
 None  | 
| 
 80MB  | 
 (1) 8M x 64  | 
 (1) 2M x 64  | 
 None  | 
 None  | 
| 
 96MB  | 
 (1) 8M x 64  | 
 (1) 4M x 64  | 
 None  | 
 None  | 
| 
 96MB  | 
 (1) 4M x 64  | 
 (1) 4M x 64  | 
 (1) 4M x 64  | 
 None  | 
| 
 128MB  | 
 (1) 16M x 64  | 
 None  | 
 None  | 
 None  | 
| 
 128MB  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
 None  | 
 None  | 
| 
 128MB  | 
 (1) 4M x 64  | 
 (1) 4M x 64  | 
 (1) 4M x 64  | 
 (1) 4M x 64  | 
| 
 136MB  | 
 (1) 16M x 64  | 
 (1) 1M x 64  | 
 None  | 
 None  | 
| 
 144MB  | 
 (1) 16M x 64  | 
 (1) 2M x 64  | 
 None  | 
 None  | 
| 
 152MB  | 
 (1) 16M x 64  | 
 (1) 1M x 64  | 
 (1) 1M x 64  | 
 (1) 1M x 64  | 
| 
 160MB  | 
 (1) 16M x 64  | 
 (1) 4M x 64  | 
 None  | 
 None  | 
| 
 176MB  | 
 (1) 16M x 64  | 
 (1) 2M x 64  | 
 (1) 2M x 64  | 
 (1) 2M x 64  | 
| 
 192MB  | 
 (1) 16M x 64  | 
 (1) 8M x 64  | 
 None  | 
 None  | 
| 
 192MB  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
 None  | 
| 
 224MB  | 
 (1) 16M x 64  | 
 (1) 4M x 64  | 
 (1) 4M x 64  | 
 (1) 4M x 64  | 
| 
 256MB  | 
 (1) 32M x 64  | 
 None  | 
 None  | 
 None  | 
| 
 256MB  | 
 (1) 16M x 64  | 
 (1) 16M x 64  | 
 None  | 
 None  | 
| 
 256MB  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
| 
 272MB  | 
 (1) 16M x 64  | 
 (1) 16M x 64  | 
 (1) 1M x 64  | 
 (1) 1M x 64  | 
| 
 280MB  | 
 (1) 32M x 64  | 
 (1) 1M x 64  | 
 (1) 1M x 64  | 
 (1) 1M x 64  | 
| 
 288MB  | 
 (1) 16M x 64  | 
 (1) 16M x 64  | 
 (1) 2M x 64  | 
 (1) 2M x 64  | 
| 
 304MB  | 
 (1) 32M x 64  | 
 (1) 2M x 64  | 
 (1) 2M x 64  | 
 (1) 2M x 64  | 
| 
 320MB  | 
 (1) 16M x 64  | 
 (1) 16M x 64  | 
 (1) 4M x 64  | 
 (1) 4M x 64  | 
| 
 320MB  | 
 (1) 16M x 64  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
| 
 352MB  | 
 (1) 32M x 64  | 
 (1) 4M x 64  | 
 (1) 4M x 64  | 
 (1) 4M x 64  | 
| 
 384MB  | 
 (1) 16M x 64  | 
 (1) 16M x 64  | 
 (1) 16M x 64  | 
 None  | 
| 
 448MB  | 
 (1) 32M x 64  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
 (1) 8M x 64  | 
| 
 512MB  | 
 (1) 32M x 64  | 
 (1) 32M x 64  | 
 None  | 
 None  | 
| 
 512MB  | 
 (1) 16M x 64  | 
 (1) 16M x 64  | 
 (1) 16M x 64  | 
 (1) 16M x 64  | 
| 
 640MB  | 
 (1) 32M x 64  | 
 (1) 16M x 64  | 
 (1) 16M x 64  | 
 (1) 16M x 64  | 
| 
 768MB  | 
 (1) 32M x 64  | 
 (1) 32M x 64  | 
 (1) 32M x 64  | 
 None  | 
| 
 1024MB  | 
 (1) 32M x 64  | 
 (1) 32M x 64  | 
 (1) 32M x 64  | 
 (1) 32M x 64  | 
| 
 Note: Board accepts EDO & SDRAM memory. Maximum SDRAM is 512MB. Maximum EDO is 1GB.  | ||||
| 
 CACHE CONFIGURATION  | 
| 
 Note: 256KB/512KB cache is located on the Pentium II CPU.  | 
| 
 CPU SPEED SELECTION  | ||||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
 SW1/5  | 
 SW1/6  | 
| 
 233MHz  | 
 66MHz  | 
 3.5x  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
| 
 266MHz  | 
 66MHz  | 
 4x  | 
 Off  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 300MHz  | 
 66MHz  | 
 4.5x  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
 Off  |