NOVACOR, INC.
OPTimum 486DXBB - 4A4B1
Processor |
80486SX/80486DX |
Processor Speed |
25/33/50MHz |
Chip Set |
OPTI |
Max. Onboard DRAM |
32MB |
SRAM Cache |
None |
BIOS |
AMI |
Dimensions |
254mm x 218mm |
I/O Options |
None |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Turbo LED |
CR1 |
Speaker |
J20 |
External battery |
J1 |
Turbo switch |
JP6 |
Power LED & keylock |
J19 |
Reset switch |
SW1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
CMOS memory normal operation |
JP1 |
pins 2 & 3 closed |
CMOS memory clear |
JP1 |
pins 1 & 2 closed | |
» |
Password select enabled |
JP2 |
closed |
Password select disabled |
JP2 |
open |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
1MB |
(4) 256K x 9 |
NONE |
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
4MB |
(4) 1M x 9 |
NONE |
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
16MB |
(4) 4M x 9 |
NONE |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
CPU TYPE CONFIGURATION | |||
Type |
JP3 |
JP4 |
JP5 |
80486DX |
pins 1 & 2 closed |
pins 1 & 2 closed |
closed |
80487SX |
pins 2 & 3 closed |
pins 1 & 2 closed |
closed |
80486DX |
open |
pins 2 & 3 closed |
open |