486-25/33TC Motherboard Settings and Configuration
DIAMOND FLOWER, INC.
486-25/33TC
Processor | 80486DX |
Processor Speed | 25/33MHz |
Chip Set | ETEQ |
Max. Onboard DRAM | 16MB |
Cache | 64KB |
BIOS | AMI |
Dimensions | 330mm x 304mm |
I/O Options | None |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External keyboard connector | J2 | Speaker | J5 |
Reset switch | J3 & J9 | Power LED & keylock | J6 |
CPU clock display | J4 | External battery | J12 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
| » | External cache enabled | J1 | pins 1 & 2 closed |
External cache disabled | J1 | pins 2 & 3 closed | |
| » | Monitor type select monochrome | J7 | pins 1 & 2 closed |
| Monitor type select color | J7 | pins 2 & 3 closed | |
| » | External battery enabled | J8 | pins 1 & 2 closed |
External battery disabled | J8 | pins 2 & 3 closed | |
Note:Cache sockets must be fully populated. | |||
DRAM JUMPER CONFIGURATION | ||
Size | J14 | J15 |
4MB | closed | closed |
8MB | open | closed |
12MB | closed | open |
16MB | open | open |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
4MB | (4) 1M x 9 | NONE | NONE | NONE |
8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
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