|
|
PB635
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.
|
|