GIGA-BYTE TECHNOLOGY CO., INC.
GA-586AT
| 
 Processor  | 
 Pentium  | 
| 
 Processor Speed  | 
 75/90/100MHz  | 
| 
 Chip Set  | 
 UMC  | 
| 
 Max. Onboard DRAM  | 
 128MB  | 
| 
 Cache  | 
 256/512KB  | 
| 
 BIOS  | 
 Award  | 
| 
 Dimensions  | 
 280mm x 220mm  | 
| 
 I/O Options  | 
 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2)  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Serial port 1  | 
 CN1  | 
 Green PC LED  | 
 J5  | 
| 
 Serial port 2  | 
 CN2  | 
 Reset switch  | 
 J6  | 
| 
 Floppy drive interface  | 
 CN3  | 
 Turbo switch  | 
 J7  | 
| 
 Parallel port  | 
 CN4  | 
 Turbo LED  | 
 J8  | 
| 
 Chassis fan power  | 
 J1  | 
 Speaker  | 
 J9  | 
| 
 IDE interface (primary)  | 
 J2  | 
 Power LED & keylock  | 
 J10  | 
| 
 IDE interface (secondary)  | 
 J3  | 
 32-bit PCI slots  | 
 PC1 - PC3  | 
| 
 Green PC connector  | 
 J4  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 CPU type select VR or standard CPU  | 
 JP2  | 
 Open  | 
| 
 CPU type select VRE CPU  | 
 JP2  | 
 Closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 JP12  | 
 N/A  | 
| 
 DRAM CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
| 
 2MB  | 
 (2) 256K x 36  | 
 NONE  | 
 NONE  | 
| 
 4MB  | 
 (2) 256K x 36  | 
 (2) 256K x 36  | 
 NONE  | 
| 
 4MB  | 
 (2) 512K x 36  | 
 NONE  | 
 NONE  | 
| 
 6MB  | 
 (2) 256K x 36  | 
 (2) 256K x 36  | 
 (2) 256K x 36  | 
| 
 6MB  | 
 (2) 512K x 36  | 
 (2) 256K x 36  | 
 NONE  | 
| 
 8MB  | 
 (2) 512K x 36  | 
 (2) 256K x 36  | 
 (2) 256K x 36  | 
| 
 8MB  | 
 (2) 1M x 36  | 
 NONE  | 
 NONE  | 
| 
 10MB  | 
 (2) 256K x 36  | 
 (2) 1M x 36  | 
 NONE  | 
| 
 10MB  | 
 (2) 1M x 36  | 
 (2) 256K x 36  | 
 NONE  | 
| 
 12MB  | 
 (2) 512K x 36  | 
 (2) 1M x 36  | 
 NONE  | 
| 
 12MB  | 
 (2) 1M x 36  | 
 (2) 256K x 36  | 
 (2) 256K x 36  | 
| 
 16MB  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
 NONE  | 
| 
 16MB  | 
 (2) 2M x 36  | 
 NONE  | 
 NONE  | 
| 
 18MB  | 
 (2) 256K x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
| 
 18MB  | 
 (2) 2M x 36  | 
 (2) 256K x 36  | 
 NONE  | 
| 
 20MB  | 
 (2) 512K x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
| 
 20MB  | 
 (2) 2M x 36  | 
 (2) 256K x 36  | 
 (2) 256K x 36  | 
| 
 24MB  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
| 
 24MB  | 
 (2) 2M x 36  | 
 (2) 1M x 36  | 
 NONE  | 
| 
 32MB  | 
 (2) 2M x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
| 
 32MB  | 
 (2) 4M x 36  | 
 NONE  | 
 NONE  | 
| 
 34MB  | 
 (2) 256K x 36  | 
 (2) 4M x 36  | 
 NONE  | 
| 
 34MB  | 
 (2) 4M x 36  | 
 (2) 256K x 36  | 
 NONE  | 
| 
 36MB  | 
 (2) 512K x 36  | 
 (2) 4M x 36  | 
 NONE  | 
| 
 36MB  | 
 (2) 4M x 36  | 
 (2) 256K x 36  | 
 (2) 256K x 36  | 
| 
 40MB  | 
 (2) 1M x 36  | 
 (2) 4M x 36  | 
 NONE  | 
| 
 40MB  | 
 (2) 4M x 36  | 
 (2) 1M x 36  | 
 NONE  | 
| 
 48MB  | 
 (2) 2M x 36  | 
 (2) 4M x 36  | 
 NONE  | 
| 
 48MB  | 
 (2) 4M x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
| 
 64MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 NONE  | 
| 
 64MB  | 
 (2) 8M x 36  | 
 NONE  | 
 NONE  | 
| 
 66MB  | 
 (2) 256K x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 66MB  | 
 (2) 8M x 36  | 
 (2) 256K x 36  | 
 NONE  | 
| 
 68MB  | 
 (2) 512K x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 68MB  | 
 (2) 8M x 36  | 
 (2) 256K x 36  | 
 (2) 256K x 36  | 
| 
 72MB  | 
 (2) 1M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 72MB  | 
 (2) 8M x 36  | 
 (2) 1M x 36  | 
 NONE  | 
| 
 80MB  | 
 (2) 2M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 DRAM CONFIGURATION (CON’T)  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
| 
 80MB  | 
 (2) 8M x 36  | 
 (2) 1M x 36  | 
 (2) 1M x 36  | 
| 
 96MB  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 96MB  | 
 (2) 8M x 36  | 
 (2) 4M x 36  | 
 NONE  | 
| 
 112MB  | 
 (2) 8M x 36  | 
 (2) 4M x 36  | 
 (2) 4M x 36  | 
| 
 128MB  | 
 (2) 8M x 36  | 
 NONE  | 
 (2) 8M x 36  | 
| 
 CACHE CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 TAG  | 
| 
 256KB  | 
 (8) 32K x 8  | 
 (1) 8K x 8 or (1) 32K x 8  | 
| 
 512KB  | 
 (8) 64K x 8  | 
 (1) 16K x 8 or (1) 32K x 8  | 
| 
 CACHE JUMPER CONFIGURATION  | |
| 
 Size  | 
 JP3  | 
| 
 256KB  | 
 pins 1 & 2 closed  | 
| 
 512KB  | 
 pins 2 & 3 closed  | 
| 
 CPU SPEED CONFIGURATION  | ||
| 
 Speed  | 
 JP4  | 
 JP5  | 
| 
 75MHz  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 90MHz  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 100MHz  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  |