UNIDENTIFIED
KMC-OPTI291
Processor |
80386SX/CX486SLC |
Processor Speed |
16/20/25/33/40MHz |
Chip Set |
OPTI |
Max. Onboard DRAM |
16MB |
SRAM Cache |
16/64KB |
BIOS |
AMI |
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 | |
CMOS memory normal operation |
JP1 |
pins 2 & 3 closed | |
CMOS memory clear |
JP1 |
pins 1 & 2 closed | |
Monitor type select color |
JP2 |
closed | |
Monitor type select monochrome |
JP2 |
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 |
5MB |
(2) 256K x 9 |
(2) 256K x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
6MB |
(2) 1M x 9 |
(2) 1M x 9 |
(2) 1M x 9 |
NONE |
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 |
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 |
SRAM CONFIGURATION | ||
Size |
Cache SRAM |
TAG |
16KB |
(2) 8K x 8 |
(1) 8K x 8 |
64KB |
(2) 32K x 8 |
(1) 8K x 8 |
SRAM JUMPER CONFIGURATION | ||
Size |
JP5 |
JP6 |
16KB |
open |
open |
64KB |
closed |
closed |