REPLY CORPORATION
POWERBOARD 55SX
Processor |
80486SX2/80486DX2/80486DX4 |
Processor Speed |
25/33/50(internal)/66(internal)/100(internal)MHz |
Chip Set |
IBM |
Max. Onboard DRAM |
64MB |
Cache |
None |
BIOS |
Reply |
Dimensions |
330mm x 218mm |
I/O Options |
Floppy drive interface, IDE interface, 32-bit MCA riser card, parallel port, PS/2 mouse port, serial port, VGA port |
NPU Options |
Unidentified |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Drive power |
CN1, CN2 |
IDE interface connector |
J16 |
PS/2 mouse port |
J2 |
Floppy drive interface |
J18 |
Parallel port |
J3 |
Speaker |
J23 |
Serial port |
J4 |
32-bit MCA riser card |
S1 |
VGA port |
J5 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
CMOS memory normal operation |
J7 |
pins 2 & 3 closed |
CMOS memory clear |
J7 |
pins 1 & 2 closed |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
NONE |
NONE |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
20MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
20MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
NONE |
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
NONE |
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
24MB |
(1) 4M x 36 |
(1) 2M x 36 |
NONE |
NONE |
28MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
28MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
NONE |
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
32MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
32MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
36MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
36MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
36MB |
(1) 8M x 36 |
(1) 1M x 36 |
NONE |
NONE |
40MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
NONE |
40MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
40MB |
(1) 8M x 36 |
(1) 2M x 36 |
NONE |
NONE |
44MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
44MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
44MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
NONE |
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
48MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
48MB |
(1) 8M x 36 |
(1) 4M x 36 |
NONE |
NONE |
DRAM CONFIGURATION (CONT.) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
52MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
52MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
52MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
56MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
56MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
56MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
56MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
NONE |
60MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 1M x 36 |
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
64MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
64MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
MISCELLANEOUS TECHNICAL NOTE |
Note: J19 switches CPU frequency, exact configuration information is unidentified. |