CHICONY, INC.
CH-486-33/50P
|
Processor |
80486SX/80487SX/80486DX/80486DX2/P23T/P24T |
|
Processor Speed |
20/25/33/40/50(internal)/50/66(internal)MHz |
|
Chip Set |
UMC |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
32MB |
|
Maximum Video Memory |
None |
|
Cache |
64/128/256KB |
|
BIOS |
AMI |
|
Dimensions |
254mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J1 |
Reset switch |
J5 |
|
Speaker |
J2 |
External battery |
J6 |
|
Turbo switch |
J3 |
32-bit VESA local bus slots |
SL1 & SL2 |
|
Turbo LED |
J4 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
Monitor type select color |
W1 |
Closed | |
|
Monitor type select monochrome |
W1 |
Open | |
|
Battery type select internal |
W14 |
Closed | |
|
Battery type select external |
W14 |
Open | |
|
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 (U30) |
TAG (U31) |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
None |
|
128KB |
(4) 32K x 8 |
None |
(1) 8K x 8 |
None |
|
256KB (A) |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
None |
|
256KB (B) |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 8K x 8 |
(1) 8K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
W6 |
W7 |
W8 |
W9 |
|
64KB |
Open |
Open |
Open |
Open |
|
128KB |
Open |
Closed |
Open |
Closed |
|
256KB (A) |
Closed |
Closed |
Closed |
Closed |
|
256KB (B) |
Closed |
Closed |
Closed |
Closed |
|
CACHE JUMPER CONFIGURATION (CON’T) | ||||
|
Size |
W10 |
W11 |
W12 |
W13 |
|
64KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
128KB |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
256KB (A) |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
256KB (B) |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
CPU SPEED SELECTION | ||||
|
Speed |
W15 |
W16 |
W17 |
W18 |
|
20MHz |
Closed |
Closed |
Closed |
Closed |
|
25MHz |
Closed |
Open |
Open |
Closed |
|
33MHz |
Open |
Open |
Open |
Closed |
|
40MHz |
Closed |
Open |
Open |
Open |
|
50iMHz |
Closed |
Open |
Open |
Closed |
|
50MHz |
Open |
Open |
Open |
Open |
|
66iMHz |
Open |
Open |
Open |
Closed |
|
CPU TYPE SELECTION | ||
|
Type |
W2 |
W3 |
|
80486SX |
Pins 2 & 3 closed |
Open |
|
80487SX |
Pins 1 & 2, 3 & 4 closed |
Pins 1 & 2 closed |
|
80486DX |
Pins 1 & 2, 3 & 4 closed |
Pins 2 & 3 closed |
|
80486DX2 |
Pins 1 & 2, 3 & 4 closed |
Pins 2 & 3 closed |
|
P23T |
Pins 1 & 2, 3 & 4 closed |
Pins 1 & 2 closed |
|
P24T |
Pins 1 & 2, 3 & 4 closed |
Pins 2 & 3 closed |
|
VL BUS WAIT STATE SELECTION | |
|
Setting |
W4 |
|
0 |
Open |
|
1 |
Closed |
|
VL BUS SPEED SELECTION | |
|
Speed |
W5 |
|
<= 33MHz |
Open |
|
>33 MHz |
Closed |