UNIDENTIFIED
486CCL/486CCI
|
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)MHz |
|
Chip Set |
Contaq |
|
Max. Onboard DRAM |
32MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
248mm x 220mm |
|
I/O Options |
32-bit VESA local bus slots (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J1 |
Reset switch |
J5 |
|
Power LED & keylock |
J2 |
Speaker |
J6 |
|
Turbo LED |
J3 |
32-bit VESA local bus slots |
SL1 & SL2 |
|
Turbo switch |
J4 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
VGA card select Cirrus Logic 5426 only |
JP29 |
pins 1 & 2 closed |
|
VGA card select non Cirrus Logic |
JP29 |
pins 2 & 3 closed | |
|
» |
VESA card select normal |
JP105 |
pins 2 & 3 closed |
|
VESA card select special |
JP105 |
pins 1 & 2 closed | |
|
Note: Jumpers JP29 & JP105 are only on the 486CCL. | |||
|
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 |
RN4 |
RN5 |
|
64KB |
Not installed |
Not installed |
|
128KB |
Not installed |
Installed |
|
256KB |
Installed |
Not installed |
|
CPU TYPE CONFIGURATION | ||
|
Type |
JP1 |
JP5 |
|
80486 PGA |
Open |
Open |
|
80486 PQFP |
Closed |
Closed |
|
CPU TYPE CONFIGURATION | |||
|
Type |
RN1 |
RN2 |
RN3 |
|
80486SX |
Not installed |
Installed |
Not installed |
|
ODP486SX |
Not installed |
Not installed |
Installed |
|
80487SX |
Not installed |
Not installed |
Installed |
|
80486DX/DX2 |
Installed |
Not installed |
Not installed |
|
CPU SPEED CONFIGURATION | |||||
|
Speed |
H1 |
H2 |
H3 |
ID3 |
JP30 |
|
25MHz |
Closed |
Open |
Open |
Open |
Closed |
|
33MHz |
Open |
Closed |
Open |
Open |
Open |
|
40MHz |
Closed |
Closed |
Open |
Open |
Open |
|
50iMHz |
Closed |
Open |
Open |
Open |
Closed |
|
50MHz |
Open |
Open |
Closed |
Closed |
Open |
|
66iMHz |
Open |
Closed |
Open |
Open |
Open |
|
Note: Jumper ID3 is only on the 486CCL. | |||||
|
VESA CARD TYPE CONFIGURATION | ||
|
Card select |
JP106 |
JP107 |
|
Any card |
Closed |
Closed |
|
Weitek P9000 VL-Bus card only |
Open |
Open |
|
Note: Jumpers JP106 & JP107 are only on the 486CCL. | ||
|
BUS SPEED CONFIGURATION | |
|
CPU speed |
JP102 |
|
<= 33MHz |
pins 1 & 2 closed |
|
> 33MHz |
pins 2 & 3 closed |
|
MISCELLANEOUS TECHNICAL NOTE |
|
Note:Depending on mainboard version, it may not have VESA slots and associated jumpers. |