ELITEGROUP COMPUTER SYSTEMS, INC.
UC 4913
Processor | 80486SX/80486DX/ODP486SX/80486DX2/CX486SX |
Processor Speed | 25/33/40/50(internal)/50/66(internal)MHz |
Chip Set | UMC |
Max. Onboard DRAM | 64MB |
Cache | 64/128/256KB |
BIOS | AMI |
Dimensions | 230mm x 218mm |
I/O Options | 32-bit VESA local bus slots (3) |
NPU Options | CX487SX |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Speaker | J1 | Power LED & keylock | JP6 |
External battery | J2 | 32-bit VESA Local bus slot | S1 |
Turbo LED | JP3 | 32-bit VESA Local bus slot | S2 |
Turbo switch | JP4 | 32-bit VESA Local bus slot | S3 |
Reset switch | JP5 |
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USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Monitor type select color | JP11 | pins 2 & 3 closed |
| Monitor type select monochrome | JP11 | pins 1 & 2 closed |
» | Weitek Power 9000 VESA VGA card not installed | JP18 | pins 1 & 2 closed |
| Weitek Power 9000 VESA VGA card installed | JP18 | 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 |
64MB | (4) 16M x 9 | NONE |
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 | NONE |
256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||||
Size | JP13 | JP15 | JP16 | JP17 |
64KB | Open | Open | pins 1 & 2 closed | Open |
128KB | pins 2 & 3 closed | Open | pins 2 & 3 closed | Closed |
256KB | pins 1 & 2 closed | Closed | pins 1 & 2 closed | Closed |
CPU TYPE CONFIGURATION | ||||
PGA | Socket | JP7 | JP8 | JP12 |
80386DX | PGA | pins 2 & 3 closed | Open | Closed |
80486SX | PQFP | pins 2 & 3 closed | Open | Open |
80486SX | PGA | N/A | N/A | Closed |
80486DX | PQFP | pins 1 & 2 and 3 & 4 | pins 2 & 3 closed | Open |
80486DX | PGA | N/A | N/A | Closed |
80486DX2 | PQFP | pins 1 & 2 and 3 & 4 | pins 2 & 3 closed | Open |
80486DX2 | PGA | N/A | N/A | Closed |
ODP486SX | PQFP | pins 1 & 2 and 3 & 4 | pins 1 & 2 closed | Open |
ODP486SX | PGA | N/A | N/A | Closed |
CX486SX/CX487SX | PGA | pins 1 & 2 and 3 & 4 | pins 2 & 3 closed | Closed |
CPU SPEED CONFIGURATION | ||
Speed | JP9 | JP10 |
25MHz | Closed | Closed |
33MHz | Open | Closed |
40MHz | Closed | Open |
50i MHz | Closed | Closed |
66i MHz | Open | Closed |
NPU CONFIGURATION | |||
CX487SX | JP19 | JP20 | JP21 |
Installed | pins 2 & 3 closed | pins 1 & 2 closed | pins 1 & 2 closed |
Not installed | pins 1 & 2 closed | pins 2 & 3 closed | pins 2 & 3 closed |
VESA WAIT STATE/BUS SPEED CONFIGURATION | |||
CPU speed | Wait states | JP1 | JP2 |
£ 33MHz | 0 wait states | Open | Open |
> 33MHz | 1 wait state | Closed | Closed |