CHICONY, INC.
CH-486
|
Processor |
80486SX/80487SX/80486DX |
|
Processor Speed |
20/25/33/50MHz |
|
Chip Set |
OPTI |
|
Maximum Onboard Memory |
32MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
External battery |
J1 |
Power LED & keylock |
JP18 |
|
Speaker |
J17 |
Reset switch |
sw1 |
|
Turbo LED |
JP11 |
Turbo switch |
SW2 |
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
|
|
CMOS memory normal operation |
JP1 |
Pins 2 & 3 closed |
|
CMOS memory clear |
JP1 |
Pins 1 & 2 closed | |
|
Monitor type select color |
JP2 |
Closed | |
|
Monitor type select monochrome |
JP2 |
Open | |
|
|
Jumper information unavailable |
JP5 |
N/A |
|
DRAM | ||
|
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 |
|
CACHE SIZE | |||
|
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 | ||||
|
Size |
JP3 |
JP4 |
JP6 |
JP7 |
|
64KB |
Pins 2 & 3 closed |
Open |
Open |
Open |
|
128KB |
Pins 1 & 2 closed |
Closed |
Closed |
Open |
|
256KB |
Pins 2 & 3 closed |
Closed |
Closed |
Closed |
|
CPU TYPE | |||
|
Setting |
JP8 |
JP9 |
JP10 |
|
80486SX |
Pins 1 & 2 closed |
Closed |
Pins 1 & 2 closed |
|
80487SX |
Pins 2 & 3 closed |
Open |
Open |
|
80486DX |
Pins 1 & 2 closed |
Closed |
Pins 2 & 3 closed |
|
CPU SPEED | |
|
Setting |
JP12 |
|
20MHz |
Pins 2 & 3 closed |
|
25MHz |
Pins 2 & 3 closed |
|
33MHz |
Pins 2 & 3 closed |
|
50MHz |
Pins 1 & 2 closed |