CRYSTAL COMPUTER SYSTEMS
CX 425S CACHE
|
Processor |
80386SX/CX486SLC |
|
Processor Speed |
25/33MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
16MB |
|
Cache |
16/32/64/128KB |
|
BIOS |
AMI/Award |
|
Dimensions |
220mm x 220mm |
|
I/O Options |
None |
|
NPU Options |
80387SX/CX83S87 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J1 |
Turbo LED |
JP4 |
|
Power LED & keylock |
J18 |
Reset switch |
SW1 |
|
Speaker |
J19 |
Turbo switch |
SW2 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
| » |
Battery type select internal |
JP1 |
pins 2 & 3 closed |
|
Battery type select external |
JP1 |
Open | |
| » |
Monitor type select color (Auto detect) |
JP2 |
Open |
|
Monitor type select monochrome |
JP2 |
Closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
512KB |
(2) 256K x 9 |
NONE |
NONE |
NONE |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
NONE |
|
1.5MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
|
2MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
(2) 1M x 9 |
NONE |
NONE |
NONE |
|
2.5MB |
(2) 1M x 9 |
(2) 256K x 9 |
NONE |
NONE |
|
3MB |
(2) 1M x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
|
3.5MB |
(2) 1M x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
NONE |
|
4.5MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 256K x 9 |
NONE |
|
5MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
|
6MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
|
6.5MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 256K x 9 |
|
8MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
|
8MB |
(2) 4M x 9 |
NONE |
NONE |
NONE |
|
8.5MB |
(2) 4M x 9 |
(2) 256K x 9 |
NONE |
NONE |
|
9MB |
(2) 4M x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
|
9.5MB |
(2) 4M x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
|
10MB |
(2) 4M x 9 |
(2) 1M x 9 |
NONE |
NONE |
|
10.5MB |
(2) 4M x 9 |
(2) 1M x 9 |
(2) 256K x 9 |
NONE |
|
11MB |
(2) 4M x 9 |
(2) 1M x 9 |
(2) 256K x 9 |
(2) 256K x 9 |
|
12MB |
(2) 4M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
|
12.5MB |
(2) 4M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 256K x 9 |
|
14MB |
(2) 4M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
|
16MB |
(2) 4M x 9 |
(2) 4M x 9 |
NONE |
NONE |
|
CACHE CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
TAG (U32) |
TAG (U33) |
|
16KB |
(2) 8K x 8 |
NONE |
(1) 8K x 8 |
NONE |
|
32KB |
(2) 8K x 8 |
(2) 8K x 8 |
(1) 8K x 8 |
NONE |
|
64KB |
(2) 32K x 8 |
NONE |
(1) 8K x 8 |
NONE |
|
128KB |
(2) 32K x 8 |
(2) 32K x 8 |
(1) 8K x 8 |
(1) 8K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||||
|
Size |
JP3 |
JP5 |
JP6 |
JP7 |
JP8 |
JP9 |
|
16KB |
Open |
Open |
Open |
2 & 3 |
Open |
2 & 3 |
|
32KB |
Open |
Closed |
Open |
2 & 3 |
Open |
2 & 3 |
|
64KB |
Open |
Closed |
Closed |
1 & 2 |
Open |
2 & 3 |
|
128KB |
Closed |
Closed |
Closed |
1 & 2 |
Closed |
1 & 2 |
|
Note: Pins designated should be in the closed position. | ||||||