486CCL/486CCI Motherboard Settings and Configuration
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. |
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