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 |