DIAMOND FLOWER, INC.
3486-UCF, 3486-UCF/Q
Processor | 80386DX/80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive |
Processor Speed | 20/25/33/40/50(internal)/50/66(internal)MHz |
Chip Set | UMC |
Max. Onboard DRAM | 32MB |
Cache | 64/128/256KB |
BIOS | AMI |
Dimensions | 254mm x 218mm |
I/O Options | None |
NPU Options | 80387DX/CX487DLC |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Speaker | J1 | Turbo LED | J4 |
Reset switch | J2 | External battery | J8 |
Power LED & keylock | J3 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | CMOS memory normal operation | J7 | pins 2 & 3 closed |
CMOS memory clear | J7 | pins 1 & 2 closed | |
» | 80486SX-20 not installed | JP4 | Open |
80486SX-20 installed | JP4 | Closed | |
» | Monitor type select color | JP9 | Closed |
Monitor type select monochrome | JP9 | Open | |
» | 80486DX not installed | JP10 | Open |
80486DX installed | JP10 | Closed | |
» | Pentium Overdrive not installed | jp11 | Open |
Pentium Overdrive installed | jp11 | Closed |
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 |
20MB | (4) 1M x 9 | (4) 4M x 9 |
32MB | (4) 4M x 9 | (4) 4M x 9 |
CACHE CONFIGURATION | |||
Size | Bank 0 | Bank 1 | TAG |
64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||||
Size | W1 | W2 | W3 | W4 |
64KB | pins 2 & 3 closed | Open | Open | pins 1 & 2 closed |
128KB | pins 1 & 2 closed | Open | Closed | pins 2 & 3 closed |
256KB | pins 2 & 3 closed | Closed | Closed | pins 2 & 3 closed |
CPU TYPE CONFIGURATION | |
Type | JP6 |
80386 | Open |
80486 | Closed |
CPU TYPE CONFIGURATION (80486 ONLY) | |||
Type | JP1 | JP2 | JP3 |
80486SX | Open | pins 2 & 3 closed | Open |
80487SX | pins 2 & 3 closed | pins 1 & 2 closed | Closed |
80486DX | pins 1 & 2 closed | pins 1 & 2 closed | Closed |
80486DX2 | pins 1 & 2 closed | pins 1 & 2 closed | Closed |
NPU CONFIGURATION (80387) | ||
Setting | JP5 | JP7 |
Disabled | Open | Open |
Enabled | Closed | Closed |