UM 486V AIO Motherboard Settings and Configuration
ELITEGROUP COMPUTER SYSTEMS, INC.
UM 486V AIO
Processor | 80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive |
Processor Speed | 25/33/50(internal)/50/66(internal)MHz |
Chip Set | UMC |
Max. Onboard DRAM | 32MB |
Cache | 64/128/256KB |
BIOS | AMI |
Dimensions | 330mm x 218mm |
I/O Options | 32-bit VESA local bus slots (2), floppy drive interface, game port, IDE interface, parallel port, serial ports (2) |
NPU Options | None |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | J1 | Turbo LED | J10 |
Game port | J2 | Turbo switch | J11 |
Parallel port | J4 | Reset switch | J12 |
Serial port 1 | J5 | Speaker | J13 |
Serial port 2 | J6 | Power LED & keylock | J14 |
Floppy drive interface | J8 | IDE LED connector | JP12 |
IDE interface connector | J9 | 32-bit VESA Local bus slots | S1 & S2 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Game port enabled | JP1 | pins 1 & 2 closed |
| Game port disabled | JP1 | pins 2 & 3 closed |
» | Floppy drive interface enabled | JP6 | pins 1 & 2 closed |
| Floppy drive interface disabled | JP6 | pins 2 & 3 closed |
» | Monitor type select color | JP13 | pins 2 & 3 closed |
| Monitor type select monochrome | JP13 | pins 1 & 2 closed |
SERIAL PORT CONFIGURATION | ||||||
Port 1 (J5) | Port 2 (J6) | JP3 | JP7 | JP8 | JP9 | |
» | COM1 | COM2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| COM1 | Disabled | pins 2 & 3 | N/A | pins 1 & 2 | pins 1 & 2 |
| Disabled | COM2 | pins 1 & 2 | pins 1 & 2 | N/A | pins 2 & 3 |
| COM3 | COM4 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| COM3 | Disabled | pins 2 & 3 | N/A | pins 2 & 3 | pins 1 & 2 |
| Disabled | COM4 | pins 1 & 2 | pins 2 & 3 | N/A | pins 2 & 3 |
| Disabled | Disabled | pins 2 & 3 | N/A | N/A | pins 2 & 3 |
Note:Pins designated should be in the closed position. | ||||||
PARALLEL PORT CONFIGURATION | |||
Port | LPT | JP2 | JP4 |
Enabled | LPT2 | pins 1 & 2 closed | pins 1 & 2 closed |
Disabled | LPT3 | pins 2 & 3 closed | 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) 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 | JP22 | JP23 | JP27 | JP28 |
64KB | pins 1 & 2 closed | Open | Open | pins 1 & 2 closed |
128KB | pins 2 & 3 closed | Open | Closed | pins 2 & 3 closed |
256KB | pins 1 & 2 closed | Closed | Closed | pins 2 & 3 closed |
CPU TYPE CONFIGURATION | |||
Type | JP24 | JP25 | JP26 |
80486SX | N/A | pins 2 & 3 closed | Open |
80486SX (PQFP) | Open | N/A | N/A |
80487SX | N/A | pins 1 & 2 and 3 & 4 | pins 2 & 3 closed |
80486DX | N/A | pins 1 & 2 and 3 & 4 | pins 1 & 2 closed |
80486DX2 | N/A | pins 1 & 2 and 3 & 4 | pins 1 & 2 closed |
Pentium Overdrive | N/A | pins 1 & 2 and 3 & 4 | pins 2 & 3 closed |
CPU SPEED CONFIGURATION | ||||
Speed | JP18 | JP19 | JP20 | JP21 |
25MHz | Closed | Closed | Open | Open |
33MHz | Open | Closed | Open | Open |
50i MHz | Closed | Closed | Open | Open |
50MHz | Open | Open | Open | Open |
66i MHz | Open | Closed | Open | Open |
VESA WAIT STATE/BUS SPEED CONFIGURATION | |||
CPU speed | Wait states | JP15 | JP16 |
£ 33MHz | 0 wait states | Open | Open |
> 33MHz | 1 wait state | Closed | Closed |
IDE CONFIGURATION | ||
Setting | JP5 | JP10 |
Enabled | pins 1 & 2 closed | pins 1 & 2 closed |
Disabled | pins 2 & 3 closed | pins 2 & 3 closed |
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