ACHME COMPUTER, INC.
MS-4144
Processor | CX476S/SL80486SX/80486SX/CX486DX/SLAMD486DX/AM486DX/SL80486DX80486DX/AM486DX2/SL80486DX2/80486DX4 |
Processor Speed | 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
Chip Set | SIS |
Max. Onboard DRAM | 128MB |
Cache | 128/256/512/1024KB |
BIOS | AMI |
Dimensions | 254mm x 218mm |
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 | Turbo LED | JFB1 pins 12 - 13 |
Serial port 2 | CN2 | Turbo switch | JFB1 pins 15 - 17 |
Parallel port | CN3 | Reset switch | JFB1 pins 19 - 20 |
Floppy drive interface | CN4 | IDE interface LED | JFB1 pins 21 & 22 |
IDE interface (secondary) | CN5 | Green PC LED | JG1 pins 1 & 2 |
IDE interface (primary) | CN6 | Green PC connector | JG1 pins 3 & 4 |
External battery | JBAT1 | Green PC connector (monitor) | JG2 |
Power LED & keylock | JFB1 pins 1 - 5 | Chassis fan power | JFAN1 |
Speaker | JFB1 pins 6 - 10 | 32-bit PCI slots | PC1 - PC3 |
Note: The location of JFAN1 is unidentified. |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Battery type select internal | JBAT1 | pins 2 & 3 closed |
Battery type select external | JBAT1 | Closed | |
» | Factory configured - do not alter | JM1 | N/A |
» | Factory configured - do not alter | JV1 | N/A |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
1MB | (1) 256K x 36 | NONE | NONE | NONE |
2MB | (1) 256K x 36 | (1) 256K x 36 | NONE | NONE |
2MB | (1) 512K x 36 | NONE | NONE | NONE |
4MB | (1) 256K x 36 | (1) 256K x 36 | (1) 512K x 36 | NONE |
4MB | (1) 512K x 36 | (1) 512K x 36 | NONE | NONE |
4MB | (1) 1M x 36 | NONE | NONE | NONE |
5MB | (1) 256K x 36 | (1) 1M x 36 | NONE | NONE |
6MB | (1) 256K x 36 | (1) 256K x 36 | (1) 1M x 36 | NONE |
6MB | (1) 512K x 36 | (1) 1M x 36 | NONE | NONE |
8MB | (1) 256K x 36 | (1) 256K x 36 | (1) 512K x 36 | (1) 1M x 36 |
8MB | (1) 512K x 36 | (1) 512K x 36 | (1) 1M x 36 | NONE |
8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
8MB | (1) 2M x 36 | NONE | NONE | NONE |
10MB | (1) 256K x 36 | (1) 256K x 36 | (1) 1M x 36 | (1) 1M x 36 |
12MB | (1) 512K x 36 | (1) 512K x 36 | (1) 1M x 36 | (1) 1M x 36 |
12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 | NONE |
16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 |
16MB | (1) 2M x 36 | (1) 2M x 36 | NONE | NONE |
16MB | (1) 4M x 36 | NONE | NONE | NONE |
17MB | (1) 256K x 36 | (1) 4M x 36 | NONE | NONE |
18MB | (1) 256K x 36 | (1) 256K x 36 | (1) 4M x 36 | NONE |
18MB | (1) 512K x 36 | (1) 4M x 36 | NONE | NONE |
20MB | (1) 512K x 36 | (1) 512K x 36 | (1) 4M x 36 | NONE |
20MB | (1) 1M x 36 | (1) 4M x 36 | NONE | NONE |
DRAM CONFIGURATION (CON’T) | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
24MB | (1) 512K x 36 | (1) 512K x 36 | (1) 1M x 36 | (1) 4M x 36 |
24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x 36 | NONE |
24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x 36 | NONE |
32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x 36 |
32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | NONE |
32MB | (1) 8M x 36 | NONE | NONE | NONE |
36MB | (1) 512K x 36 | (1) 512K x 36 | (1) 4M x 36 | (1) 4M x 36 |
36MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x 36 | NONE |
36MB | (1) 1M x 36 | (1) 8M x 36 | NONE | NONE |
40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x 36 |
40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 8M x 36 | NONE |
48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 | NONE |
48MB | (1) 4M x 36 | (1) 8M x 36 | NONE | NONE |
64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 |
64MB | (1) 16M x 36 | NONE | NONE | NONE |
64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 8M x 36 | NONE |
64MB | (1) 8M x 36 | (1) 8M x 36 | NONE | NONE |
65MB | (1) 256K x 36 | (1) 16M x 36 | NONE | NONE |
68MB | (1) 1M x 36 | (1) 16M x 36 | NONE | NONE |
68MB | (1) 1M x 36 | (1) 8M x 36 | (1) 8M x 36 | NONE |
72MB | (1) 1M x 36 | (1) 1M x 36 | (1) 16M x 36 | NONE |
72MB | (1) 1M x 36 | (1) 1M x 36 | (1) 8M x 36 | (1) 8M x 36 |
80MB | (1) 4M x 36 | (1) 16M x 36 | NONE | NONE |
80MB | (1) 4M x 36 | (1) 8M x 36 | (1) 8M x 36 | NONE |
96MB | (1) 4M x 36 | (1) 4M x 36 | (1) 16M x 36 | NONE |
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) 8M x 36 | NONE |
128MB | (1) 16M x 36 | (1) 16M x 36 | NONE | NONE |
128MB | (1) 8M x 36 | (1) 8M x 36 | (1) 8M x 36 | (1) 8M x 36 |
CACHE CONFIGURATION | |||
Size | Bank 0 | Bank 1 | TAG |
128KB | (4) 32K x 8 | NONE | (1) 8K or (1) 16K or (1) 32K x 8 |
256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 16K or (1) 32K x 8 |
256KB | (4) 64K x 8 | NONE | (1) 16K or (1) 32K x 8 |
512KB | (4) 64K x 8 | (4) 64K x 8 | (1) 32K x 8 |
512KB | (4) 128K x 8 | NONE | (1) 32K x 8 |
1MB | (4) 128K x 8 | (4) 128K x 8 | (1) 64K x 8 |
CACHE JUMPER CONFIGURATION | ||||
Size | JS1 | JS2 | JS3 | JS4 |
128KB | pins 1 & 2 closed | pins 1 & 2 closed | Open | pins 2 & 3 closed |
256KB | pins 2 & 3 closed | pins 1 & 2 closed | Open | pins 3 & 4 closed |
256KB | pins 2 & 3 closed | pins 1 & 2 closed | Open | pins 1 & 2, 3 & 4 closed |
512KB | pins 2 & 3 closed | pins 2 & 3 closed | pins 1 & 2 closed | pins 3 & 4 closed |
512KB | pins 2 & 3 closed | pins 2 & 3 closed | pins 1 & 2 closed | pins 1 & 2, 3 & 4 closed |
1MB | pins 2 & 3 closed | pins 2 & 3 closed | pins 2 & 3 closed | pins 3 & 4 closed |
CPU TYPE CONFIGURATION | ||||
Type | JC5 | JC6 | JC7 | JC8 |
CX486S | pins 3 & 4, 5 & 6 closed | pins 4 & 5, 6 & 7 closed | Open | Open |
SL80486SX | pins 4 & 5 closed | pins 6 & 7 closed | Open | Open |
80486SX | pins 4 & 5 closed | pins 6 & 7 closed | Open | Open |
CX486DX | pins 3 & 4, 5 & 6 closed | pins 4 & 5, 6 & 7 closed | Open | Open |
SL AMD486DX | pins 3 & 4, 5 & 6 closed | pins 4 & 5, 6 & 7 closed | Open | Open |
AM486DX | pins 3 & 4, 5 & 6 closed | pins 4 & 5, 6 & 7 closed | Open | Open |
SL80486DX | pins 3 & 4, 5 & 6 closed | pins 4 & 5, 6 & 7 closed | Open | Open |
80486DX | pins 3 & 4, 5 & 6 closed | pins 4 & 5, 6 & 7 closed | Open | Open |
AM486DX2 | pins 3 & 4, 5 & 6 closed | pins 4 & 5, 6 & 7 closed | Open | Open |
SL80486DX2 | pins 3 & 4, 5 & 6 closed | pins 4 & 5, 6 & 7 closed | Open | Open |
80486DX2 | pins 3 & 4, 5 & 6 closed | pins 4 & 5, 6 & 7 closed | Open | Open |
80486DX2 (WB) | pins 3 & 4, 5 & 6 closed | pins 4 & 5, 6 & 7 closed | Open | Open |
80486DX4 | pins 3 & 4, 5 & 6 closed | pins 4 & 5, 6 & 7 closed | Open | Open |
CPU TYPE CONFIGURATION | ||||
Type | JC1 | JC2 | JC3 | JC4 |
CX486S | Not installed | Installed | Not installed | Not installed |
SL80486SX | Installed | Not installed | Not installed | Not installed |
80486SX | Not installed | Not installed | Not installed | Not installed |
CX486DX | Not installed | Installed | Not installed | Not installed |
SL AMD486DX | Not installed | Not installed | Not installed | Not installed |
AM486DX | Not installed | Not installed | Not installed | Not installed |
SL80486DX | Installed | Not installed | Not installed | Not installed |
80486DX | Not installed | Not installed | Not installed | Not installed |
AM486DX2 | Not installed | Not installed | Not installed | Not installed |
SL80486DX2 | Installed | Not installed | Not installed | Not installed |
80486DX2 | Not installed | Not installed | Not installed | Not installed |
80486DX2 (WB) | Installed | Not installed | Installed | Not installed |
80486DX4 | Installed | Not installed | Not installed | Not installed |
CPU SPEED CONFIGURATION | |
Speed | JK1 |
25MHz | pins 7 & 8 closed |
33MHz | pins 1 & 2, 3 & 4, 7 & 8 closed |
40MHz | pins 3 & 4, 9 & 10 closed |
50iMHz | pins 7 & 8 closed |
50MHz | pins 1 & 2, 5 & 6, 9 & 10 closed |
66iMHz | pins 1 & 2, 3 & 4, 7 & 8 closed |
75iMHz | pins 7 & 8 closed |
100iMHz | pins 1 & 2, 3 & 4, 7 & 8 closed |
CPU VOLTAGE CONFIGURATION | ||
Voltage | jcv3 | jcv4 |
3.45v | pins 1 & 2, 3 & 4, 5 & 6 closed | Open |
3.8v | pins 1 & 2, 3 & 4, 5 & 6 closed | Closed |
5v | pins 7 & 8, 9 & 10, 11 & 12 closed | Open |
DACK/DRQ CONFIGURATION | |
DACK/DRQ | JDRQ1 |
DACK1/DRQ1 | pins 1 & 2, 4 & 5 closed |
DACK3/DRQ3 | pins 2 & 3, 5 & 6 closed |