UNIDENTIFIED
SW-386SX
Processor | 80386SX |
Processor Speed | 16/20MHz |
Chip Set | Intel |
Max. Onboard DRAM | 8MB |
Cache | None |
BIOS | AMI/Phoenix |
Dimensions | 330mm x 218mm |
I/O Options | None |
NPU Options | 80387SX |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | J1 | Turbo switch | J23 |
Turbo LED | J21 | Power LED & keylock | J24 |
Reset switch | J22 | Speaker | J25 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Turbo switch enabled | J23 | Open |
Turbo switch disabled | J23 | pins 2 & 3 closed | |
» | Factory configured - do not alter | JP1 | Open |
» | CMOS memory normal operation | JP2 | pins 1 & 2 closed |
CMOS memory clear | JP2 | pins 2 & 3 closed | |
» | BIOS type select AMI | JP4 | pins 1 & 2 closed |
BIOS type select Phoenix | JP4 | pins 2 & 3 closed | |
» | Monitor type select color | JP5 | pins 1 & 2 closed |
Monitor type select monochrome | JP5 | pins 2 & 3 closed |
DRAM CONFIGURATION (TYPE A) | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
512KB | (18) 41256 | NONE | NONE | NONE |
1MB | (18) 41256 | (18) 41256 | NONE | NONE |
2MB | (18) 41256 | (18) 41256 | (2) 256K x 9 | (2) 256K x 9 |
Note:Type A -- base memory = banks 0 & 1 and extended memory = banks 2 & 3. Type B - base memory = banks 2 & 3 and extended memory = banks 0 & 1. |
DRAM CONFIGURATION (TYPE B) | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
512KB | (2) 256K x 9 | NONE | NONE | NONE |
1MB | (2) 256K x 9 | (2) 256K x 9 | NONE | NONE |
2MB | (2) 1M x 9 | NONE | NONE | NONE |
4MB | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE |
8MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
Note:Type A -- base memory = banks 0 & 1 and extended memory = banks 2 & 3. Type B - base memory = banks 2 & 3 and extended memory = banks 0 & 1. |
DRAM JUMPER CONFIGURATION | |
Type | JP9 |
Type A | pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & 12, 13 & 14, 15 & 16, 17 & 18, 19 & 20, 21 & 22, 23 & 24 closed |
Type B | pins 1 & 3, 2 & 4, 5 & 7, 6 & 8, 9 & 11, 10 & 12, 13 & 15, 14 & 16, 17 & 19, 18 & 20, 21 & 23, 22 & 24 closed |
Note:Type A -- base memory = banks 0 & 1 and extended memory = banks 2 & 3. Type B - base memory = banks 2 & 3 and extended memory = banks 0 & 1. |
DRAM MODE CONFIGURATION | ||
Mode | JP21 | JP22 |
F1 | pins 1 & 2 closed | pins 2 & 3 closed |
F4 | pins 1 & 2 closed | pins 1 & 2 closed |
W01 | pins 2 & 3 closed | pins 1 & 2 closed |
W02 | pins 2 & 3 closed | pins 2 & 3 closed |