CALIBER COMPUTER
EISA-486 WB
Processor |
80486SX/80487SX/80486DX/80486DX2 |
Processor Speed |
20/25/33/50(internal)/50/66(internal)MHz |
Chip Set |
OPTI |
Max. Onboard DRAM |
128MB |
Cache |
64/128/256/512KB |
BIOS |
AMI |
Dimensions |
330mm x 215mm |
I/O Options |
None |
NPU Options |
4167 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Speaker |
J4 |
Reset switch |
S9 |
Power LED & keylock |
J5 |
Turbo switch |
SW |
Turbo LED |
LED |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
EXRDY/CHRDY for ISA cards select normal operation |
JP0 |
Open | |
EXRDY/CHRDY for ISA cards select non-standard ISA cards |
JP0 |
Closed | |
Monitor type select color |
JP4 |
Closed | |
Monitor type select monochrome |
JP4 |
Open | |
CPU speed select iOSC/1 |
JP8 |
pins 1 & 2 closed | |
CPU speed select iOSC/2 |
JP8 |
pins 2 & 3 closed |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
4MB |
(4) 1M x 9 |
NONE |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
16MB |
(4) 4M x 9 |
NONE |
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
64MB |
(4) 16M x 9 |
NONE |
68MB |
(4) 1M x 9 |
(4) 16M x 9 |
80MB |
(4) 4M x 9 |
(4) 16M x 9 |
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
CACHE CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
128KB |
(4) 32K x 8 |
NONE |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
512KB |
(4) 128K x 8 |
NONE |
CACHE TAG CONFIGURATION | ||||
Size |
TAG (U49) |
TAG (U50) |
TAG (U51) |
TAG (U64) |
64KB |
(4) 8K x 8 |
(1) 16K x 1 |
NONE |
(1) 64K x 1 |
128KB |
(4) 8K x 8 |
(1) 16K x 1 |
NONE |
(1) 64K x 1 |
256KB |
(1) 16K x 1 |
(1) 8K x 8 |
(1) 8K x 8 |
(1) 64K x 1 |
512KB |
NONE |
(1) 32K x 8 |
NONE |
(1) 64K x 1 |
CACHE JUMPER CONFIGURATION | |||||||
Size |
JP5 |
JP10 |
JP11 |
JP12 |
JP13 |
JP14 |
JP15 |
64KB |
2 & 3 |
Open |
Open |
Open |
Open |
Open |
Open |
128KB |
1 & 2 |
Open |
Open |
Closed |
Open |
Closed |
Open |
256KB |
2 & 3 |
Open |
Closed |
Closed |
Closed |
Closed |
Open |
512KB |
1 & 2 |
Closed |
Closed |
Closed |
Closed |
Closed |
Closed |
Note: Pins designated should be in the closed position. |
CPU SPEED CONFIGURATION | |
Speed |
JP6 |
20MHz |
Closed |
25MHz |
Open |
33MHz |
Open |
50iMHz |
Open |
50MHz |
Open |
66iMHz |
Open |
CPU TYPE CONFIGURATION | ||
Type |
JP7 |
JP9 |
80486SX |
pins 2 & 3 closed |
Open |
80487SX |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
80486DX |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
80486DX2 |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
EISA BUS SPEED CONFIGURATION | |||
Speed |
JP1 |
JP2 |
JP3 |
20MHz |
Open |
Open |
pins 2 & 3 closed |
25MHz |
Open |
Open |
pins 1 & 2 closed |
33MHz |
Closed |
Open |
pins 1 & 2 closed |
50MHz |
Closed |
Closed |
pins 1 & 2 closed |