BEK-V409 Motherboard Settings and Configuration
BEK-TRONIC TECHNOLOGY, INC.
BEK-V409
Processor | 80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive |
Processor Speed | 25/33/40/50(internal)/50/66(internal)MHz |
Chip Set | UMC |
Max. Onboard DRAM | 128MB |
Cache | 32/64/128/256KB |
BIOS | AMI |
Dimensions | 254mm x 218mm |
I/O Options | 32-bit VESA local bus slots (3) |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | J1 | Speaker | J5 |
Reset switch | J2 | Power LED & keylock | J6 |
Turbo switch | J3 | 32-bit VESA local bus slots | SL1 - SL3 |
Turbo LED | J4 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Factory configured - do not alter | JP1 | N/A |
» | VESA card type select any card installed | JP3 | pins 1 & 2 closed |
VESA card type select Weitek 9000 only | JP3 | pins 2 & 3 closed | |
» | ADS delay select no delays | JP5 | pins 1 & 2 closed |
ADS delay select 1 delay for 50MHz | JP5 | pins 2 & 3 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) 1M x 9 | (4) 256K x 9 |
8MB | (4) 1M x 9 | (4) 1M x 9 |
16MB | (4) 4M x 9 | NONE |
20MB | (4) 4M x 9 | (4) 1M x 9 |
32MB | (4) 4M x 9 | (4) 4M x 9 |
64MB | (4) 16M x 9 | NONE |
128MB | (4) 16M x 9 | (4) 16M x 9 |
CACHE CONFIGURATION | |||
Size | Bank 0 | Bank 1 | TAG |
32KB | (4) 8K x 8 | NONE | (1) 8K x 8 |
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 | JP12 | JP13 | JP14 | JP15 | JP16 |
32KB | Open | pins 2 & 3 closed | Open | Open | Open |
64KB | Open | pins 1 & 2 closed | Open | Closed | Open |
128KB | pins 2 & 3 closed | pins 2 & 3 closed | Open | Closed | Closed |
256KB | pins 1 & 2 closed | pins 1 & 2 closed | Closed | Closed | Closed |
CPU TYPE CONFIGURATION | ||
Type | JP17 | JP18 |
80486SX | pins 2 & 3 closed | Open |
80487SX | pins 1 & 2, 3 & 4 closed | pins 2 & 3 closed |
80486DX | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed |
80486DX2 | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed |
Pentium Overdrive | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed |
CPU SPEED CONFIGURATION | |||
Speed | JP8 | JP9 | JP10 |
25MHz | Open | Closed | Closed |
33MHz | Open | Open | Closed |
40MHz | Closed | Closed | Open |
50iMHz | Open | Closed | Closed |
50MHz | Open | Closed | Open |
66iMHz | Open | Open | Closed |
BUS SPEED CONFIGURATION | |
CPU speed | JP11 |
<= 33MHz | Open |
> 33MHz | Closed |
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