PACKARD BELL
PB635
|
Processor |
80286 |
|
Processor Speed |
12MHz |
|
Chip Set |
C & T |
|
Max. Onboard DRAM |
1MB |
|
Cache |
None |
|
BIOS |
MH |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Reset switch |
J1 |
Speaker |
J3 |
|
Keylock |
J2 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
NPU mode select synchronous with CPU |
J19 |
pins 1 & 2 closed | |
|
NPU mode select asynchronous with CPU |
J19 |
pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
512KB |
(18) 41256 |
NONE |
NONE |
NONE |
|
1MB |
(18) 41256 |
(18) 41256 |
NONE |
NONE |
|
2MB |
(18) 41256 |
(18) 41256 |
(2) 256K x 9 |
(2) 256K x 9 |
|
3MB |
(18) 41256 |
(18) 41256 |
(2) 1M x 9 |
NONE |
|
5MB |
(18) 41256 |
(18) 41256 |
(2) 1M x 9 |
(2) 1M x 9 |
|
Note:Banks 2 & 3 are used when an external memory card is installed. | ||||