COMPUTREND SYSTEMS, INC.
CONTAQ-386 (MS-3124)
|
Processor |
AM386DX/C & T 386DX/80386DX/80486SX/80487SX/80486DX |
|
Processor Speed |
16/20/25/33/40/50MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/128/256KB |
|
BIOS |
Unidentified |
|
Dimensions |
280mm x 225mm |
|
I/O Options |
None |
|
NPU Options |
80387DX/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Reset switch |
J5 pins 1 & 2 |
Power LED & keylock |
J5 pins 16 - 20 |
|
Turbo switch |
J5 pins 4 - 6 |
External battery |
JP2 |
|
Turbo LED |
J5 pins 8 & 9 |
Auxiliary keyboard connector |
JP7 |
|
Speaker |
J5 pins 11 - 14 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Monitor type select color |
JP1 |
Closed |
|
Monitor type select monochrome |
JP1 |
Open | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
|
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
17MB |
(4) 4M x 9 |
(4) 256K x 9 |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
CACHE CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
T 0 |
T 1 |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
(1) 16K x 4 |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
(1) 16K x 4 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
(1) 16K x 4 |
|
Note: 128KB is not available when the 80486 board is installed. | ||||
|
CACHE JUMPER CONFIGURATION | |||
|
Size |
J4A |
J4B |
J4C |
|
64KB |
Installed |
Not installed |
Not installed |
|
128KB |
Not installed |
Installed |
Not installed |
|
256KB |
Not installed |
Not installed |
Installed |
|
CPU TYPE CONFIGURATION | ||||||
|
Type |
J3A |
J3B |
J6A |
J6B |
JP5 |
JP8 |
|
80386 |
Installed |
Not installed |
Installed |
Not installed |
2 & 3 |
Open |
|
80486 |
Not installed |
Installed |
Not installed |
Installed |
1 & 2 |
Closed |
|
Note: Pins designated should be in the closed position. 80486 is located on external card. | ||||||
|
CPU BUS CLOCK CONFIGURATION | ||||
|
CPU |
CLK |
JP3 |
JP4 |
JP6 |
|
80386 |
CLK2/10 |
Open |
Open |
pins 1 & 2 closed |
|
80386 |
CLK2/8 |
Closed |
Open |
pins 1 & 2 closed |
|
80386 |
CLK2/6 |
Open |
Closed |
pins 1 & 2 closed |
|
80386 |
CLK2/4 |
Closed |
Closed |
pins 1 & 2 closed |
|
80386 |
7.2MHz |
Open |
Open |
pins 2 & 3 closed |
|
80486 |
CLK2/4 |
Closed |
Open |
pins 1 & 2 closed |
|
80486 |
CLK2/3 |
Open |
Closed |
pins 1 & 2 closed |
|
80486 |
CLK2/6 |
Closed |
Closed |
pins 1 & 2 closed |
|
80486 |
7.2MHz |
Open |
Open |
pins 2 & 3 closed |