SPRITE, INC.
SM 486-50UVL
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
Processor Speed |
25/33/40/50(internal)/50/66(internal) MHz |
Chip Set |
OPTI |
Max. Onboard DRAM |
32MB |
Cache |
64/128/256KB |
BIOS |
MR |
Dimensions |
330mm x 220mm |
I/O Options |
32-bit VESA local bus slots (3) |
NPU Options |
None |
CONNECTIONS |
|||
Purpose |
Location |
Purpose |
Location |
Turbo LED |
J1 |
Power LED & keylock |
J5 |
Speaker |
J2 |
Turbo switch |
JP6 |
External battery |
J3 |
32-bit VESA local bus slots |
S1, S2, & S3 |
Reset switch |
J4 |
|
|
USER CONFIGURABLE SETTINGS |
|||
Function |
Jumper |
Position |
|
|
CPU speed select iOSC/2 |
W3 |
Closed |
|
CPU speed select iOSC/1 |
W3 |
Open |
|
System password enabled/Monitor type select monochrome |
W14 |
Closed |
|
System password disabled/Monitor type select color |
W14 |
Open |
|
Battery select internal |
W15 |
Closed |
|
Battery select external |
W15 |
Open |
|
Factory configured - do not alter |
W16 |
Unknown |
|
Factory configured - do not alter |
W17 |
Unknown |
VESA BUS SPEED (ID3) CONFIGURATION |
|
CPU speed |
JP1 (ID3) |
£ 33MHz |
Open |
> 33MHz |
Closed |
32-BIT VESA LOCAL BUS AVAILABILITY CONFIGURATION |
||
CPU Speed |
Slots Available |
JP2 |
£ 50MHz |
S1, S2, & S3 |
pins 2 & 3 closed |
66MHz |
S3 |
pins 1 & 2 closed |
Note: Board speed of 66MHz is an optional upgrade available through the manufacturer. |
CACHE CONFIGURATION |
||||
Size |
Cache |
Location |
TAG |
Dirty Bit |
64KB |
(8) 8K x 8 |
Banks 0 & 1 |
(1) 8K x 8 |
(1) 16K x 4 |
128KB |
(4) 32K x 8 |
Bank 0 |
(1) 8K x 8 |
(1) 16K x 4 |
256KB |
(8) 32K x 8 |
Banks 0 & 1 |
(1) 32K x 8 |
(1) 16K x 4 |
CACHE JUMPER CONFIGURATION |
||||||||
Size |
W6 |
W7 |
W8 |
W9 |
W10 |
W11 |
W12 |
W13 |
64KB |
1 & 2 |
1 & 2 |
Open |
Open |
Open |
Open |
Open |
1 & 2 |
128KB |
1 & 2 |
2 & 3 |
Open |
Closed |
Open |
Closed |
1 & 2 |
2 & 3 |
256KB |
2 & 3 |
2 & 3 |
Closed |
Closed |
Closed |
Closed |
2 & 3 |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION |
||
CPU type |
W1 |
W2 |
80486SX |
pins 2 & 3 closed |
Open |
80487SX/ODP486SX |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
80486DX/80486DX2 |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 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 |
17MB |
(4) 256K x 9 |
(4) 4M x 9 |
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |