|
YL-A09S/YL-A09H
UNIDENTIFIED
YL-A09S/YL-A09H
|
Processor
|
80286
|
|
Processor Speed
|
16MHz
|
|
Chip Set
|
Headland
|
|
Max. Onboard DRAM
|
5MB
|
|
Cache
|
None
|
|
BIOS
|
AMI
|
|
Dimensions
|
330mm x 218mm
|
|
I/O Options
|
None
|
|
NPU Options
|
80287
|
|
CONNECTIONS
|
|
Purpose
|
Location
|
Purpose
|
Location
|
|
External battery
|
JP1
|
Reset switch
|
JP8
|
|
Power LED & keylock
|
JP6
|
Turbo LED
|
JP9
|
|
Speaker
|
JP7
|
Turbo switch
|
JP10
|
|
USER CONFIGURABLE SETTINGS
|
|
Function
|
Jumper/Switch
|
Position
|
|
|
Internal delay select GC113
|
F13
|
pins 2 & 3 closed
|
|
|
Internal delay select GC103
|
F13
|
pins 1 & 2 closed
|
| »
|
Factory configured - do not alter
|
JP5
|
N/A
|
|
|
BIOS type select 27128
|
JP13
|
pins 1 & 2 closed
|
|
|
BIOS type select 27256
|
JP13
|
pins 2 & 3 closed
|
| »
|
NPU mode select synchronous with CPU
|
JP14
|
pins 2 & 3 closed
|
|
|
NPU mode select synchronous with oscillator installed at Y3
|
JP14
|
pins 1 & 2 closed
|
| »
|
Parity check enabled
|
JP15
|
pins 1 & 2 closed
|
|
|
Parity check disabled
|
JP15
|
pins 2 & 3 closed
|
| »
|
Monitor type select color
|
SW1/5
|
On
|
|
|
Monitor type select monochrome
|
SW1/5
|
Off
|
| »
|
Shadow RAM enabled
|
SW1/6
|
Off
|
|
|
Shadow RAM disabled
|
SW1/6
|
On
|
| »
|
Bus speed select fast
|
SW1/7
|
Off
|
|
|
Bus speed select slow
|
SW1/7
|
On
|
|
DRAM CONFIGURATION
|
|
Size
|
Bank 0
|
Bank 1
|
Bank 2
|
Bank 3
|
Bank 4
|
Bank 5
|
|
512KB
|
(4) 44256
|
NONE
|
NONE
|
NONE
|
NONE
|
NONE
|
|
512KB
|
NONE
|
NONE
|
NONE
|
NONE
|
(2) 256K x 9
|
NONE
|
|
1MB
|
(4) 44256
|
(4) 44256
|
NONE
|
NONE
|
NONE
|
NONE
|
|
1MB
|
NONE
|
NONE
|
NONE
|
NONE
|
(2) 256K x 9
|
(2) 256K x 9
|
|
1.5MB
|
(4) 44256
|
(4) 44256
|
(4) 44256
|
NONE
|
NONE
|
NONE
|
|
1.5MB
|
NONE
|
NONE
|
(4) 44256
|
NONE
|
(2) 256K x 9
|
(2) 256K x 9
|
|
2MB
|
(4) 44256
|
(4) 44256
|
(4) 44256
|
(4) 44256
|
NONE
|
NONE
|
|
2MB
|
NONE
|
NONE
|
(4) 44256
|
(4) 44256
|
(2) 256K x 9
|
(2) 256K x 9
|
|
2MB
|
NONE
|
NONE
|
NONE
|
NONE
|
(2) 1M x 9
|
NONE
|
|
4MB
|
NONE
|
NONE
|
NONE
|
NONE
|
(2) 1M x 9
|
(2) 1M x 9
|
|
5MB
|
NONE
|
NONE
|
(4) 44256
|
(4) 44256
|
(2) 1M x 9
|
(2) 1M x 9
|
|
Note:Locations of Banks 0, 1, 2, & 3 are unidentified.
|
|
DRAM JUMPER/SWITCH CONFIGURATION
|
|
Size
|
JP11
|
JP12
|
SW1/1
|
SW1/2
|
SW1/3
|
SW1/4
|
|
512KB
|
2 & 3, 5 & 6, 8 & 9
|
2 & 3, 5 & 6, 8 & 9
|
On
|
Off
|
Off
|
Off
|
|
512KB
|
1 & 2, 4 & 5, 7 & 8
|
1 & 2, 4 & 5, 7 & 8
|
On
|
Off
|
Off
|
Off
|
|
1MB
|
2 & 3, 5 & 6, 8 & 9
|
2 & 3, 5 & 6, 8 & 9
|
Off
|
On
|
Off
|
Off
|
|
1MB
|
1 & 2, 4 & 5, 7 & 8
|
1 & 2, 4 & 5, 7 & 8
|
Off
|
On
|
Off
|
Off
|
|
1.5MB
|
2 & 3, 5 & 6, 8 & 9
|
2 & 3, 5 & 6, 8 & 9
|
Off
|
Off
|
On
|
Off
|
|
1.5MB
|
1 & 2, 4 & 5, 7 & 8
|
1 & 2, 4 & 5, 7 & 8
|
Off
|
Off
|
On
|
Off
|
|
2MB
|
2 & 3, 5 & 6, 8 & 9
|
2 & 3, 5 & 6, 8 & 9
|
Off
|
On
|
On
|
Off
|
|
2MB
|
1 & 2, 4 & 5, 7 & 8
|
1 & 2, 4 & 5, 7 & 8
|
Off
|
On
|
On
|
Off
|
|
2MB
|
1 & 2, 4 & 5, 7 & 8
|
1 & 2, 4 & 5, 7 & 8
|
Off
|
Off
|
Off
|
On
|
|
4MB
|
1 & 2, 4 & 5, 7 & 8
|
1 & 2, 4 & 5, 7 & 8
|
Off
|
On
|
Off
|
On
|
|
5MB
|
1 & 2, 4 & 5, 7 & 8
|
1 & 2, 4 & 5, 7 & 8
|
On
|
On
|
On
|
On
|
|
Note:Pins designated should be in the closed postion
|
|