CONTAQ-386 (MS-3124) Motherboard Settings and Configuration
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 |
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