ACHME COMPUTER, INC.
MS-5123
| 
 Processor  | 
 CX M1/Pentium  | 
| 
 Processor Speed  | 
 75/80/90/100/120/133MHz  | 
| 
 Chip Set  | 
 SIS  | 
| 
 Max. Onboard DRAM  | 
 512MB  | 
| 
 Cache  | 
 256/512/1024KB  | 
| 
 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, PS/2 mouse interface, serial ports (2), VGA feature connector, VGA interface, VRM connector  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Serial port 1  | 
 CN1  | 
 Speaker  | 
 JFP pins 6 - 10  | 
| 
 Serial port 2  | 
 CN2  | 
 Turbo LED  | 
 JFP pins 12 & 13  | 
| 
 Parallel port  | 
 CN3  | 
 Turbo switch  | 
 JFP pins 15 - 17  | 
| 
 VGA interface  | 
 CN4  | 
 Reset switch  | 
 JFP pins 19 & 20  | 
| 
 Floppy drive interface  | 
 CN5  | 
 IDE interface LED  | 
 JFP pins 21 & 22  | 
| 
 IDE interface 2  | 
 CN6  | 
 Green PC connector  | 
 JG1  | 
| 
 IDE interface 1  | 
 CN7  | 
 Green PC LED  | 
 JG2  | 
| 
 External battery  | 
 JB1  | 
 32-bit PCI slots  | 
 PC1 - PC3  | 
| 
 Chassis fan power  | 
 JFAN  | 
 PS/2 mouse interface  | 
 PSM  | 
| 
 VGA feature connector  | 
 JFC  | 
 VRM connector  | 
 VRM  | 
| 
 Power LED & keylock  | 
 JFP pins 1 - 5  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 »  | 
 PS/2 mouse IRQ12 enabled  | 
 JP11  | 
 Closed  | 
| 
 PS/2 mouse IRQ12 disabled  | 
 JP11  | 
 Open  | |
| 
 DRAM CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 4MB  | 
 (1) 1M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 4MB  | 
 NONE  | 
 NONE  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 8MB  | 
 (1) 2M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 8MB  | 
 NONE  | 
 NONE  | 
 (1) 2M x 36  | 
 NONE  | 
| 
 8MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
 NONE  | 
| 
 8MB  | 
 NONE  | 
 NONE  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 16MB  | 
 (1) 4M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 16MB  | 
 NONE  | 
 NONE  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 16MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 NONE  | 
 NONE  | 
| 
 16MB  | 
 NONE  | 
 NONE  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 16MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 24MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 24MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 32MB  | 
 (1) 8M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 32MB  | 
 NONE  | 
 NONE  | 
 (1) 8M x 36  | 
 NONE  | 
| 
 32MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 NONE  | 
 NONE  | 
| 
 32MB  | 
 NONE  | 
 NONE  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 32MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 40MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 40MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 48MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 48MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 64MB  | 
 (1) 16M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 64MB  | 
 NONE  | 
 NONE  | 
 (1) 16M x 36  | 
 NONE  | 
| 
 DRAM CONFIGURATION (CON’T)  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 64MB  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 NONE  | 
 NONE  | 
| 
 64MB  | 
 NONE  | 
 NONE  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 64MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 72MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 72MB  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 80MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 80MB  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 96MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 96MB  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 128MB  | 
 (1) 32M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 128MB  | 
 NONE  | 
 NONE  | 
 (1) 32M x 36  | 
 NONE  | 
| 
 128MB  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
 NONE  | 
 NONE  | 
| 
 128MB  | 
 NONE  | 
 NONE  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
| 
 128MB  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 136MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
| 
 136MB  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 144MB  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 144MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
| 
 160MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
| 
 160MB  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 192MB  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 192MB  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
| 
 256MB  | 
 (1) 32M x 36  | 
 (1) 32M x 36  | 
 NONE  | 
 NONE  | 
| 
 256MB  | 
 NONE  | 
 NONE  | 
 (1) 32M x 36  | 
 (1) 32M x 36  | 
| 
 256MB  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
| 
 264MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 32M x 36  | 
 (1) 32M x 36  | 
| 
 264MB  | 
 (1) 32M x 36  | 
 (1) 32M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 272MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 32M x 36  | 
 (1) 32M x 36  | 
| 
 272MB  | 
 (1) 32M x 36  | 
 (1) 32M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 288MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 32M x 36  | 
 (1) 32M x 36  | 
| 
 288MB  | 
 (1) 32M x 36  | 
 (1) 32M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 320MB  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
 (1) 32M x 36  | 
 (1) 32M x 36  | 
| 
 320MB  | 
 (1) 32M x 36  | 
 (1) 32M x 36  | 
 (1) 8M x 36  | 
 (1) 8M x 36  | 
| 
 384MB  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
 (1) 32M x 36  | 
 (1) 32M x 36  | 
| 
 384MB  | 
 (1) 32M x 36  | 
 (1) 32M x 36  | 
 (1) 16M x 36  | 
 (1) 16M x 36  | 
| 
 512MB  | 
 (1) 32M x 36  | 
 (1) 32M x 36  | 
 (1) 32M x 36  | 
 (1) 32M x 36  | 
| 
 CACHE CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 U13/U17  | 
 TAG  | 
| 
 256KB  | 
 (4) 32K x 8  | 
 (4) 32K x 8  | 
 NONE  | 
 (1) 8K or (1) 16K x 8  | 
| 
 256KB  | 
 NONE  | 
 NONE  | 
 (2) 32K x 32  | 
 (1) 8K or (1) 16K x 8  | 
| 
 512KB (A)  | 
 (4) 64K x 8  | 
 (4) 64K x 8  | 
 NONE  | 
 (1) 16K x 8  | 
| 
 512KB (B)  | 
 (4) 64K x 8  | 
 (4) 64K x 8  | 
 NONE  | 
 (1) 16K x 8  | 
| 
 1MB  | 
 (4) 128K x 8  | 
 (4) 128K x 8  | 
 NONE  | 
 (1) 32K x 8  | 
| 
 Note: U13 & U17 may not be present on all boards.  | ||||
| 
 CACHE JUMPER CONFIGURATION  | ||
| 
 Size  | 
 JS1  | 
 JS2  | 
| 
 256KB  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
| 
 512KB (A)  | 
 pins 3 & 4 closed  | 
 pins 3 & 4 closed  | 
| 
 512KB (B)  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 1MB  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 Note: 512KB (A) uses 128AK TAG chip and 512KB (B) uses 129AK TAG chip.  | ||
| 
 CPU SPEED CONFIGURATION  | ||||||
| 
 Speed  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
 SW1/5  | 
 SW1/6  | 
| 
 75MHz  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
| 
 80MHz*  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
 On  | 
| 
 90MHz  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
| 
 100MHz  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 120MHz  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
| 
 120MHz*  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
 On  | 
| 
 133MHz  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 Note: Speeds marked with an * are reserved for future CX M1 CPUs.  | ||||||
| 
 CPU VOLTAGE CONFIGURATION  | |
| 
 Voltage  | 
 JV1  | 
| 
 3.38v  | 
 Closed  | 
| 
 3.52v  | 
 Open  |