CHAINTECH COMPUTER COMPANY, LTD.
486ICP
Processor | 80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
Processor Speed | 25/33/50(internal)/66(internal)MHz |
Chip Set | Intel |
Max. Onboard DRAM | 128MB |
Cache | 128/256/512KB |
BIOS | Award/Phoenix |
Dimensions | 330mm x 218mm |
I/O Options | 32-bit PCI local bus slots (3), special slot (1) |
NPU Options | None |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Reset switch | CN1 | 32-bit PCI bus slots | PCI1 - PCI3 |
Speaker | CN2 | Special slot | SL1 |
Power LED & keylock | CN3 | ||
Note: The purpose of SL1 is unspecified by the manufacturer. | |||
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Factory configured - do not alter | J7 | Open |
» | Factory configured - do not alter | J20 | Open |
» | Factory configured - do not alter | J22 | Open |
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
2MB | (2) 256K x 36 | NONE |
4MB | (2) 256K x 36 | (2) 256K x 36 |
4MB | (2) 512K x 36 | NONE |
6MB | (2) 256K x 36 | (2) 512K x 36 |
6MB | (2) 512K x 36 | (2) 256K x 36 |
8MB | (2) 512K x 36 | (2) 512K x 36 |
8MB | (2) 1M x 36 | NONE |
10MB | (2) 256K x 36 | (2) 1M x 36 |
10MB | (2) 1M x 36 | (2) 256K x 36 |
12MB | (2) 512K x 36 | (2) 1M x 36 |
12MB | (2) 1M x 36 | (2) 512K x 36 |
16MB | (2) 1M x 36 | (2) 1M x 36 |
16MB | (2) 2M x 36 | NONE |
18MB | (2) 256K x 36 | (2) 2M x 36 |
18MB | (2) 2M x 36 | (2) 256K x 36 |
20MB | (2) 512K x 36 | (2) 2M x 36 |
20MB | (2) 2M x 36 | (2) 512K x 36 |
24MB | (2) 1M x 36 | (2) 2M x 36 |
24MB | (2) 2M x 36 | (2) 1M x 36 |
32MB | (2) 2M x 36 | (2) 2M x 36 |
32MB | (2) 4M x 36 | NONE |
34MB | (2) 256K x 36 | (2) 4M x 36 |
34MB | (2) 4M x 36 | (2) 256K x 36 |
36MB | (2) 512K x 36 | (2) 4M x 36 |
36MB | (2) 4M x 36 | (2) 512K x 36 |
40MB | (2) 1M x 36 | (2) 4M x 36 |
40MB | (2) 4M x 36 | (2) 1M x 36 |
48MB | (2) 2M x 36 | (2) 4M x 36 |
48MB | (2) 4M x 36 | (2) 2M x 36 |
64MB | (2) 4M x 36 | (2) 4M x 36 |
64MB | (2) 8M x 36 | NONE |
66MB | (2) 256K x 36 | (2) 8M x 36 |
66MB | (2) 8M x 36 | (2) 256K x 36 |
68MB | (2) 512K x 36 | (2) 8M x 36 |
68MB | (2) 8M x 36 | (2) 512K x 36 |
72MB | (2) 1M x 36 | (2) 8M x 36 |
72MB | (2) 8M x 36 | (2) 1M x 36 |
80MB | (2) 2M x 36 | (2) 8M x 36 |
DRAM CONFIGURATION (CON’T) | ||
Size | Bank 0 | Bank 1 |
80MB | (2) 8M x 36 | (2) 2M x 36 |
96MB | (2) 4M x 36 | (2) 8M x 36 |
96MB | (2) 8M x 36 | (2) 4M x 36 |
128MB | (2) 8M x 36 | (2) 8M x 36 |
CACHE CONFIGURATION | |||
Size | Bank 0 | Bank 1 | TAG |
128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
512KB | (4) 128K x 8 | NONE | (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||||
Size | J14 | J15 | J17 | J18 |
128KB | Open | Open | pins 2 & 3 closed | pins 1 & 2 closed |
256KB | Closed | Open | pins 1 & 2 closed | pins 2 & 3 closed |
512KB | Closed | Closed | pins 2 & 3 closed | pins 2 & 3 closed |
CPU TYPE CONFIGURATION | |||||
Type | J1 | J2 | J3 | J4 | J5 |
80486SX | Open | Open | Open | Closed | Open |
ODP486SX | Open | Closed | Closed | Open | Closed |
80487SX | Open | Closed | Closed | Open | Closed |
80486DX | Closed | Open | Closed | Open | Closed |
80486DX2 | Closed | Open | Closed | Open | Closed |
CPU SPEED CONFIGURATION | ||||
Speed | J21 | JP29 | JP30 | JP31 |
25MHz | pins 1 & 2 closed | Open | Open | Closed |
33MHz | pins 2 & 3 closed | Closed | Open | Open |
50iMHz | pins 1 & 2 closed | Open | Open | Closed |
66iMHz | pins 2 & 3 closed | Closed | Open | Open |
PCI IRQ CONFIGURATION (INT A) | |
IRQ | J33 |
IRQ5 | pins 11 & 12 closed |
IRQ9 | pins 9 & 10 closed |
IRQ10 | pins 7 & 8 closed |
IRQ11 | pins 5 & 6 closed |
IRQ14 | pins 3 & 4 closed |
IRQ15 | pins 1 & 2 closed |
PCI IRQ CONFIGURATION (INT B) | |
IRQ | J36 |
IRQ5 | pins 11 & 12 closed |
IRQ9 | pins 9 & 10 closed |
IRQ10 | pins 7 & 8 closed |
IRQ11 | pins 5 & 6 closed |
IRQ14 | pins 3 & 4 closed |
IRQ15 | pins 1 & 2 closed |
PCI IRQ CONFIGURATION (INT C) | |
IRQ | J35 |
IRQ5 | pins 11 & 12 closed |
IRQ9 | pins 9 & 10 closed |
IRQ10 | pins 7 & 8 closed |
IRQ11 | pins 5 & 6 closed |
IRQ14 | pins 3 & 4 closed |
IRQ15 | pins 1 & 2 closed |
PCI IRQ CONFIGURATION (INT D) | |
IRQ | J34 |
IRQ5 | pins 11 & 12 closed |
IRQ9 | pins 9 & 10 closed |
IRQ10 | pins 7 & 8 closed |
IRQ11 | pins 5 & 6 closed |
IRQ14 | pins 3 & 4 closed |
IRQ15 | pins 1 & 2 closed |