MICRO-STAR INTERNATIONAL CO., LTD.
MS-4134
| 
 Processor  | 
 AM486SX/80486SX/SL80486SX/CX486M7/AM486DX/80486DX/SL80486DX/ AM486DX2/80486DX2/SL80486DX2  | 
| 
 Processor Speed  | 
 25/33/40/50(internal)/66(internal)MHz  | 
| 
 Chip Set  | 
 ALI  | 
| 
 Max. Onboard DRAM  | 
 128MB  | 
| 
 Cache  | 
 128/256KB  | 
| 
 BIOS  | 
 Award/Phoenix  | 
| 
 Dimensions  | 
 270mm x 220mm  | 
| 
 I/O Options  | 
 32-bit VESA local bus slots (2), 32-bit PCI slots (3), green PC connector  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 External battery  | 
 JB  | 
 Speaker  | 
 JP10 pins 7 - 10  | 
| 
 Green PC connector  | 
 JG1  | 
 Turbo LED  | 
 JP10 pins 12 & 13  | 
| 
 Green PC connector (monitor)  | 
 JG2  | 
 Turbo switch  | 
 JP10 pins 15 - 17  | 
| 
 Green PC LED  | 
 JG3  | 
 Reset switch  | 
 JP10 pins 19 & 20  | 
| 
 Chassis fan power  | 
 JP9  | 
 32-bit PCI slots  | 
 PC1 - PC3  | 
| 
 Power LED & keylock  | 
 JP10 pins 1 - 5  | 
 32-bit VESA bus slots  | 
 SL1 & SL2  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 Battery type select internal  | 
 JB  | 
 pins 2 & 3 closed  | 
| 
 Battery type select external  | 
 JB  | 
 Closed  | |
| 
 »  | 
 PCI slot 1 SCSI controller select NCR 53C810 only  | 
 JP6  | 
 pins 2 & 3 closed  | 
| 
 PCI slot 1 SCSI controller select any controller installed  | 
 JP6  | 
 pins 1 & 2 closed  | |
| 
 »  | 
 BIOS type select EPROM  | 
 JP20  | 
 Open  | 
| 
 BIOS type select 5v flash  | 
 JP20  | 
 pins 2 & 3 closed  | |
| 
 BIOS type select 12v flash  | 
 JP20  | 
 pins 1 & 2 closed  | |
| 
 DRAM CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
| 
 1MB  | 
 (4) 256K x 9  | 
 NONE  | 
 NONE  | 
| 
 1MB  | 
 NONE  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 2MB  | 
 NONE  | 
 (1) 512K x 36  | 
 NONE  | 
| 
 2MB  | 
 (4) 256K x 9  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 3MB  | 
 (4) 256K x 9  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 4MB  | 
 (4) 1M x 9  | 
 NONE  | 
 NONE  | 
| 
 4MB  | 
 NONE  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 5MB  | 
 (4) 1M x 9  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 5MB  | 
 (4) 256K x 9  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 6MB  | 
 (4) 1M x 9  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 8MB  | 
 NONE  | 
 (1) 2M x 36  | 
 NONE  | 
| 
 8MB  | 
 (4) 1M x 9  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 9MB  | 
 (4) 256K x 9  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 9MB  | 
 (4) 256K x 9  | 
 (1) 2M x 36  | 
 NONE  | 
| 
 12MB  | 
 (4) 1M x 9  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 12MB  | 
 (4) 1M x 9  | 
 (1) 2M x 36  | 
 NONE  | 
| 
 16MB  | 
 (4) 4M x 9  | 
 NONE  | 
 NONE  | 
| 
 16MB  | 
 NONE  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 17MB  | 
 (4) 4M x 9  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 17MB  | 
 (4) 256K x 9  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 17MB  | 
 (4) 256K x 9  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 18MB  | 
 (4) 4M x 9  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 20MB  | 
 (4) 4M x 9  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 20MB  | 
 (4) 1M x 9  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 20MB  | 
 (4) 1M x 9  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 24MB  | 
 (4) 4M x 9  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 24MB  | 
 (4) 4M x 9  | 
 (1) 2M x 36  | 
 NONE  | 
| 
 32MB  | 
 NONE  | 
 (1) 8M x 36  | 
 NONE  | 
| 
 32MB  | 
 (4) 4M x 9  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 32MB  | 
 (4) 4M x 9  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 33MB  | 
 (4) 256K x 9  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 33MB  | 
 (4) 256K x 9  | 
 (1) 8M x 36  | 
 NONE  | 
| 
 36MB  | 
 (4) 1M x 9  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 36MB  | 
 (4) 1M x 9  | 
 (1) 8M x 36  | 
 NONE  | 
| 
 DRAM CONFIGURATION (CON’T)  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
| 
 48MB  | 
 (4) 4M x 9  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 48MB  | 
 (4) 4M x 9  | 
 (1) 8M x 36  | 
 NONE  | 
| 
 64MB  | 
 (4) 16M x 9  | 
 NONE  | 
 NONE  | 
| 
 65MB  | 
 (4) 16M x 9  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 65MB  | 
 (4) 256K x 9  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 66MB  | 
 (4) 16M x 9  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 68MB  | 
 (4) 16M x 9  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 68MB  | 
 (4) 1M x 9  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 72MB  | 
 (4) 16M x 9  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 72MB  | 
 (4) 16M x 9  | 
 (1) 2M x 36  | 
 NONE  | 
| 
 80MB  | 
 (4) 16M x 9  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 80MB  | 
 (4) 16M x 9  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 80MB  | 
 (4) 4M x 9  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 96MB  | 
 (4) 16M x 9  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 96MB  | 
 (4) 16M x 9  | 
 (1) 8M x 36  | 
 NONE  | 
| 
 128MB  | 
 (4) 16M x 9  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 CACHE CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 TAG  | 
| 
 128KB  | 
 (4) 32K x 8  | 
 NONE  | 
 (1) 8K x 8  | 
| 
 256KB (A)  | 
 (4) 32K x 8  | 
 (4) 32K x 8  | 
 (1) 32K x 8  | 
| 
 256KB (B)  | 
 (4) 64K x 8  | 
 NONE  | 
 (1) 32K x 8  | 
| 
 CACHE JUMPER CONFIGURATION  | ||
| 
 Size  | 
 JS1  | 
 JS2  | 
| 
 128KB  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
| 
 256KB (A)  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 256KB (B)  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 CPU TYPE CONFIGURATION  | |||
| 
 Type  | 
 JC1  | 
 JC4  | 
 JC6  | 
| 
 AM486SX  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 80486SX  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 SL80486SX  | 
 pins 2 & 3 closed  | 
 pins 3 & 4 closed  | 
 pins 2 & 3 closed  | 
| 
 CX486M7  | 
 pins 1 & 2, 3 & 4 closed  | 
 1 & 2, 3 & 4  | 
 pins 2 & 4 closed  | 
| 
 AM486DX  | 
 pins 1 & 2, 3 & 4 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 80486DX  | 
 pins 1 & 2, 3 & 4 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 SL80486DX  | 
 pins 1 & 2, 3 & 4 closed  | 
 pins 3 & 4 closed  | 
 pins 2 & 3 closed  | 
| 
 AM486DX2  | 
 pins 1 & 2, 3 & 4 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 80486DX2  | 
 pins 1 & 2, 3 & 4 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 SL80486DX2  | 
 pins 1 & 2, 3 & 4 closed  | 
 pins 3 & 4 closed  | 
 pins 2 & 3 closed  | 
| 
 CPU TYPE CONFIGURATION (CON’T)  | ||||
| 
 Type  | 
 JC7  | 
 JC8  | 
 JC11  | 
 JC13  | 
| 
 AM486SX  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 80486SX  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 SL80486SX  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 CX486M7  | 
 pins 2 & 4 closed  | 
 pins 1 & 2 closed  | 
 pins 3 & 6 closed  | 
 pins 2 & 3 closed  | 
| 
 AM486DX  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 80486DX  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 SL80486DX  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 AM486DX2  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 80486DX2  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 SL80486DX2  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 Open  | 
 pins 1 & 2 closed  | 
| 
 CPU SPEED CONFIGURATION  | ||
| 
 Speed  | 
 JK1  | 
 JK2  | 
| 
 25MHz  | 
 pins 1 & 4, 2 & 5 closed  | 
 pins 1 & 4, 2 & 5, 3 & 6 closed  | 
| 
 33MHz  | 
 pins 1 & 4, 3 & 6 closed  | 
 pins 1 & 4, 2 & 5, 3 & 6 closed  | 
| 
 40MHz  | 
 pins 2 & 5 closed  | 
 pins 4 & 7, 5 & 8, 6 & 9 closed  | 
| 
 50iMHz  | 
 pins 1 & 4, 2 & 5 closed  | 
 pins 1 & 4, 2 & 5, 3 & 6 closed  | 
| 
 66iMHz  | 
 pins 1 & 4, 3 & 6 closed  | 
 pins 1 & 4, 2 & 5, 3 & 6 closed  | 
| 
 BUS SPEED CONFIGURATION  | |||
| 
 CPU speed  | 
 JV1  | 
 JV2  | 
 JV3  | 
| 
 <= 33MHz  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 > 33MHz  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 PCI SLOT 2 CONFIGURATION  | ||
| 
 Setting  | 
 JP4  | 
 JP12  | 
| 
 Falling edge sensitive interrupt  | 
 Closed  | 
 pins 2 & 3 closed  | 
| 
 Rising edge sensitive interrupt  | 
 Closed  | 
 pins 1 & 2 closed  | 
| 
 Low active level trigger interrupt (IRQ14)  | 
 Closed  | 
 Open  | 
| 
 Low active level trigger interrupt  | 
 Closed  | 
 pins 2 & 3 closed  | 
| 
 No card installed  | 
 Closed  | 
 Open  |