REPLY CORPORATION
POWERBOARD 56/57 & 76/77
Processor |
80486SX2/80486DX2/80486DX4/Pentium Overdrive |
Processor Speed |
25/33/50(internal)/66(internal)/100(internal)MHz |
Chip Set |
IBM |
Max. Onboard DRAM |
64MB |
Cache |
Unidentified |
BIOS |
Reply |
Dimensions |
330mm x 218mm |
I/O Options |
Floppy drive interface, SCSI interface (2), 32-bit MCA riser card, parallel port, PS/2 mouse port, serial port, VGA port, Cache card slot |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
PS/2 mouse port |
J1 |
Drive power |
J14 |
Parallel port |
J7 |
Internal SCSI interface |
J15 |
Serial port |
J8 |
Floppy drive interface |
J17 |
VGA port |
J9 |
32-bit MCA riser card |
J20 |
External SCSI interface |
J10 |
Secondary cache |
U57 |
Panel connector |
J13 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
CMOS memory normal operation |
J6 |
pins 2 & 3 closed |
CMOS memory clear |
J6 |
pins 1 & 2 closed | |
|
SCSI termination internal |
J22 |
pins 1 & 2 closed |
SCSI termination external |
J22 |
pins 2 & 3 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 |
CPU TYPE CONFIGURATION | |
CPU |
J16 |
80486SX2 |
Closed |
80486DX2 |
Open |
80486DX4 |
Open |