ZIDA TECHNOLOGIES, LTD.
OPTI 386SX
|
Processor |
80386SX/CX486SLC |
|
Processor Speed |
16/20/25MHZ |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
16MB |
|
Cache |
16/32/64/128KB |
|
BIOS |
AMI |
|
Dimensions |
170mm x 220mm |
|
I/O Options |
32-bit proprietary local bus slot |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
J1 |
Turbo LED |
J15 |
|
Power LED & Keylock |
J12 |
Turbo Switch |
J16 |
|
Reset Switch |
J13 |
32-bit proprietary local bus slot |
S1 |
|
Speaker |
J14 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Local bus signal select TTL level |
J2 |
pins 1 & 2 closed | |
|
Local bus signal select Tri state level |
J2 |
pins 2 & 3 closed | |
|
Monitor type select color |
J3 |
Open | |
|
Monitor type select monochrome |
J3 |
Closed | |
|
CPU type select Intel/AMD |
J4 & J11 |
Open | |
|
CPU type select Cyrix |
J4 & J11 |
Closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
512KB |
(2) 256K x 9 |
NONE |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
|
1.5MB |
(2) 1M x 9 |
(2) 256K x 9 |
|
2MB |
(2) 1M x 9 |
NONE |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
|
8MB |
(2) 4M x 9 |
NONE |
|
8.5MB |
(2) 4M x 9 |
(2) 256K x 9 |
|
10MB |
(2) 4M x 9 |
(2) 1M x 9 |
|
16MB |
(2) 4M x 9 |
(2) 4M x 9 |
|
CACHE CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Tag (U26) |
Tag (U27) |
|
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 |
J5 |
J6 |
J7 |
J8 |
J9 |
J10 |
|
16KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
Open |
Open |
Open |
Open |
|
32KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
Open |
Closed |
Open |
Open |
|
64KB |
pins 1 & 2 closed |
pins 2 & 3 closed |
Closed |
Closed |
Closed |
Open |
|
128KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
Closed |
Closed |
Closed |
Closed |