ACHME COMPUTER, INC.
MS-4145
| 
 Processor  | 
 80486SX/SL80486SX/AM486DX/(SL)AM486DX/80486DX/ SL80486DX/CX486DX2/IBM486DX2/SGS486DX2/TI486DX2/ AM486DX2/ODP486DX2/80486DX2/SL80486DX2/SL80486DX4/ P24D/P24T/CX5X86/(SL)AM X5  | 
| 
 Processor Speed  | 
 25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/ 100(internal)/120(internal)/133(internal)/160(internal)MHz  | 
| 
 Chip Set  | 
 ALI  | 
| 
 Video Chip Set  | 
 None  | 
| 
 Maximum Onboard Memory  | 
 64MB  | 
| 
 Maximum Video Memory  | 
 None  | 
| 
 Cache  | 
 128/256/512KB  | 
| 
 BIOS  | 
 Award  | 
| 
 Dimensions  | 
 220mm x 220mm  | 
| 
 I/O Options  | 
 32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, serial ports (2)  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Serial port 1  | 
 CN1  | 
 Green PC LED  | 
 JG1  | 
| 
 Serial port 2  | 
 CN2  | 
 Power LED & keylock  | 
 JFP/pins 1 - 5  | 
| 
 Floppy drive interface  | 
 CN3  | 
 Speaker  | 
 JFP/pins 7 - 10  | 
| 
 Parallel port  | 
 CN4  | 
 Turbo LED  | 
 JFP/pins 12 & 13  | 
| 
 IDE interface 2  | 
 CN5  | 
 Turbo switch  | 
 JFP/pins 15 - 17  | 
| 
 IDE interface 1  | 
 CN6  | 
 Reset switch  | 
 JFP/pins 19 & 20  | 
| 
 Chassis fan power  | 
 FAN  | 
 IDE interface LED  | 
 JFP/pins 21 & 22  | 
| 
 External battery  | 
 JBAT  | 
 32-bit PCI slots  | 
 PC1 - PC3  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 »  | 
 Battery type select internal  | 
 JBAT  | 
 Pins 2 & 3 closed  | 
| 
 Battery type select external  | 
 JBAT  | 
 Closed  | |
| 
 »  | 
 Parallel port address select 378  | 
 JIRQ  | 
 Pins 1 & 2 closed  | 
| 
 Parallel port address select 278  | 
 JIRQ  | 
 Pins 2 & 3 closed  | |
| 
 »  | 
 Factory configured - do not alter  | 
 JS3  | 
 Unidentified  | 
| 
 DRAM CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
| 
 4MB  | 
 (1) 1M x 36  | 
 None  | 
 None  | 
| 
 8MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 None  | 
| 
 8MB  | 
 (1) 2M x 36  | 
 None  | 
 None  | 
| 
 12MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 12MB  | 
 (1) 1M x 36  | 
 (1) 2M x 36  | 
 None  | 
| 
 16MB  | 
 (1) 4M x 36  | 
 None  | 
 None  | 
| 
 16MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 None  | 
| 
 16MB  | 
 (1) 1M x 36  | 
 (1) 2M x 36  | 
 (1) 1M x 36  | 
| 
 20MB  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
 None  | 
| 
 24MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
| 
 24MB  | 
 (1) 4M x 36  | 
 (1) 2M x 36  | 
 None  | 
| 
 32MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 None  | 
| 
 32MB  | 
 (1) 8M x 36  | 
 None  | 
 None  | 
| 
 36MB  | 
 (1) 1M x 36  | 
 (1) 8M x 36  | 
 None  | 
| 
 40MB  | 
 (1) 2M x 36  | 
 (1) 8M x 36  | 
 None  | 
| 
 40MB  | 
 (1) 4M x 36  | 
 (1) 2M x 36  | 
 (1) 4M x 36  | 
| 
 40MB  | 
 (1) 1M x 36  | 
 (1) 8M x 36  | 
 (1) 1M x 36  | 
| 
 48MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 48MB  | 
 (1) 4M x 36  | 
 (1) 8M x 36  | 
 None  | 
| 
 64MB  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 None  | 
| 
 64MB  | 
 (1) 4M x 36  | 
 (1) 8M x 36  | 
 (1) 4M x 36  | 
| 
 CACHE CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 TAG  | 
| 
 128KB  | 
 (4) 32K x 8  | 
 None  | 
 (1) 8K/16K/32K x 8  | 
| 
 256KB (A)  | 
 (4) 32K x 8  | 
 (4) 32K x 8  | 
 (1) 8K/16K/32K x 8  | 
| 
 256KB (B)  | 
 (2) 64K x 32  | 
 None  | 
 (1) 8K/16K/32K x 8  | 
| 
 Note: Board also accepts 512KB cache. The chip sizes and jumper settings are unidentified.  | |||
| 
 CACHE JUMPER CONFIGURATION  | |||
| 
 Size  | 
 JS1  | 
 JS2  | 
 JS4  | 
| 
 128KB  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3 closed  | 
| 
 256KB (A)  | 
 Pins 2 & 3 closed  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 256KB (B)  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 CPU SPEED SELECTION  | ||
| 
 Speed  | 
 JK1  | 
 JK2  | 
| 
 25MHz  | 
 Open  | 
 Pins 1 & 2 closed  | 
| 
 33MHz  | 
 Pins 1 & 2, 3 & 4 closed  | 
 Pins 1 & 2 closed  | 
| 
 40MHz  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3, 4 & 5 closed  | 
| 
 50iMHz  | 
 Open  | 
 Pins 1 & 2 closed  | 
| 
 66iMHz  | 
 Pins 1 & 2, 3 & 4 closed  | 
 Pins 1 & 2 closed  | 
| 
 75iMHz  | 
 Open  | 
 Pins 1 & 2 closed  | 
| 
 80iMHz  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3, 4 & 5 closed  | 
| 
 100iMHz  | 
 Pins 1 & 2, 3 & 4 closed  | 
 Pins 1 & 2 closed  | 
| 
 120iMHz  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3, 4 & 5 closed  | 
| 
 133iMHz  | 
 Pins 1 & 2, 3 & 4 closed  | 
 Pins 1 & 2 closed  | 
| 
 160iMHz  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3, 4 & 5 closed  | 
| 
 CPU TYPE SELECTION  | |||||
| 
 Type  | 
 JC1  | 
 JC2  | 
 JC3  | 
 JC4  | 
 JC5  | 
| 
 80486SX  | 
 Open  | 
 Open  | 
 Open  | 
 1 & 2  | 
 2 & 3  | 
| 
 SL80486SX  | 
 Open  | 
 Open  | 
 Open  | 
 1 & 2  | 
 2 & 3  | 
| 
 AM486DX  | 
 Open  | 
 Open  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 (SL)AM486DX  | 
 Open  | 
 Open  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 80486DX  | 
 Open  | 
 Open  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 SL80486DX  | 
 Open  | 
 Open  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 CX486DX2  | 
 Open  | 
 Closed  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 IBM486DX2  | 
 Open  | 
 Closed  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 SGS486DX2  | 
 Open  | 
 Closed  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 TI486DX2  | 
 Open  | 
 Closed  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 AM486DX2  | 
 Open  | 
 Open  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 ODP486DX2  | 
 Open  | 
 Open  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 80486DX2  | 
 Open  | 
 Open  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 SL80486DX2  | 
 Open  | 
 Open  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 SL80486DX4  | 
 Open  | 
 Open  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 P24D  | 
 1 & 2, 3 & 4  | 
 Open  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 P24T  | 
 1 & 2, 3 & 4  | 
 Open  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 CX5X86  | 
 1 & 2, 3 & 4  | 
 Open  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 (SL)AM X5  | 
 1 & 2, 3 & 4  | 
 Open  | 
 Open  | 
 2 & 3  | 
 1 & 2  | 
| 
 Note: Pins designated should be in the closed position.  | |||||
| 
 CPU TYPE SELECTION  | |||
| 
 Type  | 
 R1  | 
 R2  | 
 R2  | 
| 
 80486SX  | 
 Pins 1 - 10 closed  | 
 Not installed  | 
 Not installed  | 
| 
 SL80486SX  | 
 Pins 3 - 13 closed  | 
 Not installed  | 
 Not installed  | 
| 
 AM486DX  | 
 Pins 1 - 10 closed  | 
 Not installed  | 
 Not installed  | 
| 
 (SL)AM486DX  | 
 Pins 1 - 10 closed  | 
 Not installed  | 
 Not installed  | 
| 
 80486DX  | 
 Pins 1 - 10 closed  | 
 Not installed  | 
 Not installed  | 
| 
 SL80486DX  | 
 Pins 3 - 13 closed  | 
 Not installed  | 
 Not installed  | 
| 
 CX486DX2  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
| 
 IBM486DX2  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
| 
 SGS486DX2  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
| 
 TI486DX2  | 
 Installed  | 
 Not installed  | 
 Not installed  | 
| 
 AM486DX2  | 
 Pins 1 - 10 closed  | 
 Not installed  | 
 Not installed  | 
| 
 ODP486DX2  | 
 Pins 3 - 13 closed  | 
 Not installed  | 
 Not installed  | 
| 
 80486DX2  | 
 Pins 1 - 10 closed  | 
 Not installed  | 
 Not installed  | 
| 
 SL80486DX2  | 
 Pins 3 - 13 closed  | 
 Not installed  | 
 Not installed  | 
| 
 SL80486DX4  | 
 Pins 3 - 13 closed  | 
 Not installed  | 
 Not installed  | 
| 
 P24D  | 
 Pins 5 - 14 closed  | 
 Not installed  | 
 Not installed  | 
| 
 P24T  | 
 Pins 5 - 14 closed  | 
 Not installed  | 
 Not installed  | 
| 
 CX5X86  | 
 Pins 3 - 13 closed  | 
 Not installed  | 
 Not installed  | 
| 
 (SL)AM X5  | 
 Pins 5 - 14 closed  | 
 Not installed  | 
 Not installed  | 
| 
 CPU VOLTAGE SELECTION  | |||
| 
 Voltage  | 
 JP1  | 
 JV1  | |
| » | 
 3v  | 
 Open  | 
 Open  | 
| 
 4v  | 
 Closed  | 
 Open  | |
| 
 5v  | 
 Open  | 
 Pins 1 & 2, 3 & 4, 5 & 6 closed  | |
| 
 DMA CHANNEL SELECTION  | ||
| 
 Channel  | 
 JP3  | 
 JP4  | 
| 
 1  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
| 
 3  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  |