|
|
P9-640
AMPTRON INTERNATIONAL, INC.
P9-640
|
Processor
|
80386SX
|
|
Processor Speed
|
25/33MHz
|
|
Chip Set
|
ALI
|
|
Video Chip Set
|
None
|
|
Maximum Onboard Memory
|
16MB
|
|
Maximum Video Memory
|
None
|
|
Cache
|
None
|
|
BIOS
|
AMI
|
|
Dimensions
|
220mm x 220mm
|
|
I/O Options
|
None
|
|
NPU Options
|
80387SX
|
|
CONNECTIONS
|
|
Purpose
|
Location
|
Purpose
|
Location
|
|
External battery
|
J4
|
Turbo LED
|
J8 pins 1 & 2
|
|
Reset switch
|
J6
|
Turbo switch
|
J8 pins 4 & 5
|
|
Speaker
|
J7
|
Power LED & keylock
|
J9
|
|
USER CONFIGURABLE SETTINGS
|
|
Function
|
Label
|
Position
|
|
|
Address delay enabled
|
J5
|
Closed
|
|
|
Address delay disabled
|
J5
|
Open
|
|
|
NPU synchronous with CPU
|
JP2
|
Pins 1 & 2 closed
|
|
|
NPU asynchronous with CPU
|
JP2
|
Pins 2 & 3 closed
|
|
»
|
Factory configured - do not alter
|
JP3
|
Unidentified
|
|
|
Monitor type select color
|
JP4
|
Pins 2 & 3 closed
|
|
|
Monitor type select monochrome
|
JP4
|
Pins 1 & 2 closed
|
|
|
Parity check enabled
|
JP6
|
Closed
|
|
|
Parity check disabled
|
JP6
|
Open
|
|
DRAM CONFIGURATION
|
|
Size
|
Bank 0
|
Bank 1
|
|
512KB
|
(2) 256K x 9
|
None
|
|
1MB
|
(2) 256K x 9
|
(2) 256K x 9
|
|
2MB
|
(2) 1M x 9
|
None
|
|
4MB
|
(2) 1M x 9
|
(2) 1M x 9
|
|
8MB
|
(2) 4M x 9
|
None
|
|
16MB
|
(2) 4M x 9
|
(2) 4M x 9
|
|
CPU SPEED SELECTION
|
|
Speed
|
JP1
|
JP5
|
|
25MHz
|
Pins 1 & 2 closed
|
Pins 1 & 2 closed
|
|
33MHz
|
Pins 2 & 3 closed
|
Pins 2 & 3 closed
|
|