UNIDENTIFIED
OPTI-P9
|
Processor |
80386SX |
|
Processor Speed |
16/20MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
16MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
220mm x 220mm |
|
I/O Options |
None |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Turbo switch |
J1 |
Speaker |
J4 |
|
Turbo LED |
J2 |
Power LED & keylock |
J5 |
|
Reset switch |
J3 |
External battery |
JP2 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Turbo mode enabled |
J1 |
Open |
|
Normal mode enabled CLK2/6 OR CLK2/4 |
J1 |
Closed | |
|
|
Monitor type select monochrome |
JP1 |
Open |
|
Monitor type select color |
JP1 |
Closed | |
|
|
CMOS memory normal operation |
JP2 |
pins 2 & 3 closed |
|
CMOS memory clear |
JP2 |
pins 3 & 4 closed | |
|
|
NPU asynchronous with CPU |
JP3 |
Closed |
|
NPU synchronous with CPU |
JP3 |
Open | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
NONE |
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 |
|
3MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 1M x 9 |
NONE |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
NONE |
|
6MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
|
9MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 4M x 9 |
NONE |
|
10MB |
(2) 1M x 9 |
(2) 4M x 9 |
NONE |
NONE |
|
12MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 4M x 9 |
NONE |
|
16MB |
(2) 4M x 9 |
(2) 4M x 9 |
NONE |
NONE |
|
DRAM CONFIGURATION | ||||||||
|
Size |
Bank 0 |
Parity 0 |
Bank 1 |
Parity 1 |
Bank 2 |
Parity 2 |
Bank 3 |
Parity 3 |
|
256KB | ||||||||
|
256KB | ||||||||
|
512KB | ||||||||
|
512KB | ||||||||
|
576KB | ||||||||
|
576KB | ||||||||
|
640KB | ||||||||
|
640KB | ||||||||
|
Note:When using 44256 or 4464 chips, insert the chips into the dual-size sockets. | ||||||||
|
CACHE CONFIGURATION | ||||
|
Size |
Max Cachable |
Bank 0 |
Bank 1 |
TAG |
|
64KB |
8MB |
(4) 8K x 8 |
(4) 8K x 8 |
(2) 16K x 4 |
|
128KB |
16MB |
(4) 32K x 8 |
NONE |
(2) 16K x 4 |
|
256KB |
32MB |
(4) 32K x 8 |
(4) 32K x 8 |
(2) 16K x 4 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
W3 |
W4 |
W5 |
W6 |
|
64KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
128KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
256KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
VESA CPU TYPE (ID0 & ID1) CONFIGURATION | ||
|
CPU Type |
JP1 (ID0) |
JP2 (ID1) |
|
80386 |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
80486 |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
VESA WAIT STATE/BUS SPEED (ID2 & ID3) CONFIGURATION | |||
|
CPU speed |
Wait states |
JP4 (ID3) |
JP5 (ID2) |
|
< 33MHz |
0 wait states |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
> 33MHz |
1 wait state |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
VESA ID4 CONFIGURATION | |
|
Setting |
JP6 (ID4) |
|
Reserved for future use |
pins 2 & 3 closed |
|
MISCELLANEOUS TECHNICAL NOTE |
|
Note:Pins designated should be in the closed position. |