ACHME COMPUTER, INC.
MS-4135
Processor | AM486SX/80486SX/CX486M7/AM486DX/80486DX/AM486DX2/80486DX2/ 80486DX4/Pentium Overdrive |
Processor Speed | 25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz |
Chip Set | Contaq |
Max. Onboard DRAM | 64MB |
Cache | 128/256KB |
BIOS | AMI/Award |
Dimensions | 270mm x 220mm |
I/O Options | 32-bit PCI slots (4), green PC connector |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | JBA | Speaker | JM9 pins 7 - 10 |
Green PC connector (monitor) | JG1 | Turbo LED | JM9 pins 12 & 13 |
Green PC connector | JG2 | Turbo switch | JM9 pins 15 - 17 |
Green PC LED | JG3 | Reset switch | JM9 pins 19 & 20 |
Power LED & keylock | JM9 pins 1 - 5 | 32-bit PCI slots | PC1 - PC4 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Battery type select internal | JBA | pins 2 & 3 closed |
Battery type select external | JBA | Closed | |
CX486M7 3.3v not installed | JC8 | Open | |
CX486M7 3.3v installed | JC8 | Closed | |
» | Factory configured - do not alter | JK8 | pins 1 & 2 closed |
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 |
3MB | (1) 256K x 36 | (1) 256K x 36 | (1) 256K x 36 | NONE |
4MB | (1) 256K x 36 | (1) 256K x 36 | (1) 256K x 36 | (1) 256K x 36 |
4MB | (1) 1M x 36 | NONE | NONE | NONE |
4MB | (1) 512K x 36 | NONE | (1) 512K x 36 | NONE |
5MB | (1) 256K x 36 | (1) 1M x 36 | NONE | NONE |
6MB | (1) 1M x 36 | (1) 256K x 36 | (1) 256K x 36 | NONE |
7MB | (1) 1M x 36 | (1) 256K x 36 | (1) 256K x 36 | (1) 256K x 36 |
8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
8MB | (1) 2M x 36 | NONE | NONE | NONE |
9MB | (1) 256K x 36 | (1) 1M x 36 | (1) 1M x 36 | NONE |
10MB | (1) 2M x 36 | NONE | (1) 512K x 36 | NONE |
10MB | (1) 512K x 36 | NONE | (1) 2M x 36 | NONE |
10MB | (1) 2M x 36 | NONE | (1) 512K x 36 | NONE |
12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 | NONE |
13MB | (1) 256K x 36 | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 |
16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 |
16MB | (1) 4M x 36 | NONE | NONE | NONE |
16MB | (1) 2M x 36 | NONE | (1) 2M x 36 | NONE |
16MB | (1) 2M x 36 | NONE | (1) 2M x 36 | NONE |
17MB | (1) 256K x 36 | (1) 4M x 36 | NONE | NONE |
17MB | (1) 4M x 36 | (1) 256K x 36 | NONE | NONE |
18MB | (1) 4M x 36 | (1) 256K x 36 | (1) 256K x 36 | NONE |
19MB | (1) 4M x 36 | (1) 256K x 36 | (1) 256K x 36 | (1) 256K x 36 |
20MB | (1) 1M x 36 | (1) 4M x 36 | NONE | NONE |
20MB | (1) 4M x 36 | (1) 1M x 36 | NONE | NONE |
24MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x 36 | NONE |
28MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 |
32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | NONE |
32MB | (1) 8M x 36 | NONE | NONE | NONE |
33MB | (1) 256K x 36 | (1) 4M x 36 | (1) 4M x 36 | NONE |
34MB | (1) 8M x 36 | NONE | (1) 512K x 36 | NONE |
34MB | (1) 512K x 36 | NONE | (1) 8M x 36 | NONE |
34MB | (1) 8M x 36 | NONE | (1) 512K x 36 | NONE |
36MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x 36 | NONE |
DRAM CONFIGURATION (CON’T) | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
40MB | (1) 8M x 36 | NONE | (1) 2M x 36 | NONE |
40MB | (1) 2M x 36 | NONE | (1) 8M x 36 | NONE |
40MB | (1) 2M x 36 | NONE | (1) 8M x 36 | NONE |
40MB | (1) 8M x 36 | NONE | (1) 2M x 36 | NONE |
48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 | NONE |
49MB | (1) 256K x 36 | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 |
52MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 |
64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 |
64MB | (1) 8M x 36 | NONE | (1) 8M x 36 | NONE |
64MB | (1) 8M x 36 | NONE | (1) 8M x 36 | NONE |
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 | JS3 |
128KB | pins 1 & 2 closed | pins 1 & 2 closed | pins 1 & 2 closed |
256KB (A) | pins 2 & 3 closed | pins 1 & 2 closed | pins 2 & 3 closed |
256KB (B) | pins 2 & 3 closed | pins 1 & 2 closed | pins 1 & 2 closed |
CPU TYPE CONFIGURATION | |||
Type | JC5 | JC7 | JC25 |
80486SX | pins 2 & 3 closed | Open | Closed |
AM486SX | pins 2 & 3 closed | Open | Closed |
AM486DX | pins 1 & 2, 3 & 4 closed | pins 2 & 3 closed | Closed |
80486DX | pins 1 & 2, 3 & 4 closed | pins 2 & 3 closed | Closed |
AM486DX2 | pins 1 & 2, 3 & 4 closed | pins 2 & 3 closed | Closed |
80486DX2 | pins 1 & 2, 3 & 4 closed | pins 2 & 3 closed | Closed |
80486DX4 | pins 1 & 2, 3 & 4 closed | pins 2 & 3 closed | Open |
Pentium Overdrive | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed | Closed |
CPU SPEED CONFIGURATION | |||||
Speed | JC12 | JK1 | JK2 | JK3 | JK7 |
25MHz | Open | Open | Open | Closed | 1 & 2 |
33MHz | Open | Closed | Closed | Open | 1 & 2 |
40MHz | Closed | Open | Closed | Open | 2 & 3 |
50iMHz | Open | Open | Open | Closed | 1 & 2 |
66iMHz | Open | Closed | Closed | Open | 1 & 2 |
75iMHz | Open | Open | Open | Closed | 1 & 2 |
100iMHz | Open | Closed | Closed | Open | 1 & 2 |
Note: Pins designated should be in the closed position. |
PCI IRQ CONFIGURATION (SLOT 1) | |||
Card type/slot # | INT/IRQ | JP1 | JP2 |
NCR slot 2 | IRQ11/INTA | pins 10 & 11 closed | pins 7 & 8 closed |
Adaptec slot 2 | IRQ11/INTA | pins 10 & 11 closed | pins 7 & 8 closed |
Bus Logic SCSI slot 2 | IRQ11/INTA | pins 10 & 11 closed | pins 7 & 8 closed |
SCSI slot 1 | IRQ9/INTB | pins 8 & 9, 10 & 11 closed | pins 2 & 3, 7 & 8 closed |
SCSI slot 4 | IRQ9/INTC | pins 5 & 6, 10 & 11 closed | pins 2 & 3, 7 & 8 closed |
SCSI slot 1 | IRQ9/INTA | pins 1 & 2, 11 & 12 closed | pins 1 & 2, 8 & 9 closed |
Edge Trigger slot 1 | IRQ14/INTD | pins 2 & 3 closed | pins 16 & 17 closed |
Level Trigger slot 1 | IRQ14/INTD | pins 2 & 3 closed | pins 17 & 18 closed |