COMPUADD, INC.
486 ISA HP SX/DX
|
Processor |
80486SX/80487SX/80486DX/80486DX2 |
|
Processor Speed |
16/20/25/33/66(internal)MHz |
|
Chip Set |
OPTI |
|
Max. Onboard DRAM |
64MB |
|
Cache |
64/256KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Floppy drive interface, IDE interface |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Floppy drive interface |
J6 |
IDE interface LED |
J25 |
|
IDE interface |
J7 |
Reset switch |
J26 |
|
External battery |
J18 |
Power LED & keylock |
J27 |
|
Chassis fan power |
J24 |
Speaker |
J28 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
CMOS memory normal operation |
J5 |
Open |
|
CMOS memory clear |
J5 |
Closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
4MB |
(4) 1MB x 9 |
NONE |
NONE |
NONE |
|
8MB |
(4) 1MB x 9 |
(4) 1MB x 9 |
NONE |
NONE |
|
12MB |
(4) 1MB x 9 |
(4) 1MB x 9 |
(4) 1MB x 9 |
(4) 1MB x 9 |
|
20MB |
(4) 1MB x 9 |
(4) 4MB x 9 |
NONE |
NONE |
|
20MB |
(4) 4MB x 9 |
(4) 1MB x 9 |
NONE |
NONE |
|
24MB |
(4) 1MB x 9 |
(4) 1MB x 9 |
(4) 4MB x 9 |
NONE |
|
24MB |
(4) 1MB x 9 |
(4) 4MB x 9 |
(4) 1MB x 9 |
NONE |
|
24MB |
(4) 4MB x 9 |
(4) 1MB x 9 |
(4) 1MB x 9 |
NONE |
|
28MB |
(4) 1MB x 9 |
(4) 1MB x 9 |
(4) 1MB x 9 |
(4) 4MB x 9 |
|
28MB |
(4) 4MB x 9 |
(4) 1MB x 9 |
(4) 1MB x 9 |
(4) 1MB x 9 |
|
28MB |
(4) 4MB x 9 |
(4) 1MB x 9 |
(4) 1MB x 9 |
(4) 1MB x 9 |
|
32MB |
(4) 4MB x 9 |
(4) 4MB x 9 |
NONE |
NONE |
|
36MB |
(4) 4MB x 9 |
(4) 1MB x 9 |
(4) 4MB x 9 |
NONE |
|
36MB |
(4) 1MB x 9 |
(4) 4MB x 9 |
(4) 4MB x 9 |
NONE |
|
36MB |
(4) 4MB x 9 |
(4) 4MB x 9 |
(4) 1MB x 9 |
NONE |
|
40MB |
(4) 1MB x 9 |
(4) 1MB x 9 |
(4) 4MB x 9 |
(4) 4MB x 9 |
|
40MB |
(4) 1MB x 9 |
(4) 4MB x 9 |
(4) 4MB x 9 |
(4) 1MB x 9 |
|
40MB |
(4) 4MB x 9 |
(4) 1MB x 9 |
(4) 4MB x 9 |
(4) 1MB x 9 |
|
40MB |
(4) 4MB x 9 |
(4) 4MB x 9 |
(4) 1MB x 9 |
(4) 1MB x 9 |
|
48MB |
(4) 4MB x 9 |
(4) 4MB x 9 |
(4) 4MB x 9 |
NONE |
|
52MB |
(4) 1MB x 9 |
(4) 4MB x 9 |
(4) 4MB x 9 |
(4) 4MB x 9 |
|
52MB |
(4) 4MB x 9 |
(4) 1MB x 9 |
(4) 4MB x 9 |
(4) 4MB x 9 |
|
52MB |
(4) 4MB x 9 |
(4) 4MB x 9 |
(4) 4MB x 9 |
(4) 1MB x 9 |
|
64MB |
(4) 4MB x 9 |
(4) 4MB x 9 |
(4) 4MB x 9 |
(4) 4MB x 9 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
|
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | |||||
|
Size |
J19 |
J20 |
J21 |
J22 |
J23 |
|
0KB |
Open |
Open |
Open |
Closed |
Closed |
|
64KB |
Open |
Open |
Open |
Open |
Open |
|
256KB |
Closed |
Closed |
Closed |
Open |
Open |
|
Note: Pins designated should be in the closed position. | |||||
|
CPU TYPE CONFIGURATION | ||||
|
Type |
J30 |
J31 |
J32 |
J33 |
|
80486SX |
Open |
Closed |
Open |
Open |
|
80486DX |
Closed |
Open |
Closed |
Closed |