UNIDENTIFIED
VL-BUS
|
Processor |
CX486S/80486SX/80487SX/CX486M6(WB)/CX486M6(WT)/80486DX/80486DX2/P24T/P24T(WB)/P24T(WT) |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)MHz |
|
Chip Set |
UNI |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
128MB |
|
Maximum Video Memory |
None |
|
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 |
|
Turbo switch |
J4 |
External battery |
J8 |
|
Turbo LED |
J5 |
Reset switch |
J10 |
|
Speaker |
J6 |
32-bit VESA local bus slots |
SL1 - SL3 |
|
Power LED & keylock |
J7 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
Monitor type select monochrome |
JP12 |
Open | |
|
Monitor type select CGA |
JP12 |
Closed | |
|
Monitor type select VGA/SVGA/EGA/XGA |
JP12 |
Any setting | |
|
|
CMOS memory normal operation |
JP14 |
Pins 1 & 2 closed |
|
CMOS memory clear |
JP14 |
Pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
JP100 |
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 |
|
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(4) 16M x 9 |
None |
|
80MB |
(4) 16M x 9 |
(4) 4M x 9 |
|
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/16K/32Kx 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 16K/32Kx 8 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
JP20 |
JP21 |
JP22 |
JP25 |
|
32KB |
Open |
Open |
2 & 3 |
Open |
|
64KB |
Open |
Closed |
1 & 2 |
Open |
|
128KB |
Closed |
Closed |
1 & 2, 3 & 4 |
Open |
|
256KB |
Closed |
Closed |
1 & 2, 4 & 5 |
Closed |
|
Note: Pins designated should be in the closed position. | ||||
|
CPU SPEED SELECTION | |||
|
Speed |
JP16 |
JP17 |
JP18 |
|
25MHz |
Closed |
Closed |
Open |
|
33MHz |
Closed |
Open |
Closed |
|
40MHz |
Open |
Closed |
Open |
|
50iMHz |
Closed |
Closed |
Open |
|
50MHz |
Open |
Open |
Closed |
|
66iMHz |
Closed |
Open |
Closed |
|
CPU TYPE SELECTION | |
|
Type |
JP2 |
|
CX486S |
Pins 5 & 6 closed |
|
80486SX |
Pins 5 & 6 closed |
|
80487SX |
Pins 1 & 2, 4 & 5, 6 & 7 closed |
|
80486DX |
Pins 2 & 3, 4 & 5, 6 & 7 closed |
|
80486DX2 |
Pins 2 & 3, 4 & 5, 6 & 7 closed |
|
P24T |
Pins 1 & 2, 4 & 5, 6 & 7 closed |
|
CPU TYPE SELECTION | |||||
|
Type |
JP1 |
JP4 |
JP5 |
JP10 |
JP11 |
|
CX486M6 (WB) |
Open |
1 & 2 |
2 & 3 |
2 & 3 |
Open |
|
CX486M6 (WT) |
Open |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
|
80486DX |
Open |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
|
80486DX2 |
Open |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
|
P24T (WB) |
Closed |
2 & 3 |
1 & 2 |
1 & 2 |
Closed |
|
P24T (WT) |
Open |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
|
Note: Pins designated should be in the closed position. | |||||
|
VL-BUS SPEED SELECTION | |
|
Setting |
JP15 |
|
<= 33MHz |
Pins 1 & 2 closed |
|
>33 MHz |
Pins 2 & 3 closed |