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 |