ACER, INC.
ACERPOWER425SE/433E/466DE (J3 PROJECT)
Processor |
80486SX/80487SX/ODP486SX/80486DX/80486DX2/Pentium Overdrive/Pentium (depends on CPU card installed) |
Processor Speed |
25/33/40/50(internal)/50/66(internal)/66MHz |
Chip Set |
Unidentified |
Max. Onboard DRAM |
256MB |
Cache |
64/128/256/1024KB (depends on CPU card installed) |
BIOS |
Unidentified |
Dimensions |
330mm x 218mm |
I/O Options |
External CPU card, 32-bit VESA local bus slots (2), PS/2 mouse port |
NPU Options |
None |
CONNECTIONS |
|||
Purpose |
Location |
Purpose |
Location |
PS/2 mouse port |
CN1 |
Chassis fan power |
JJ1 |
SCSI interface LED |
J5 |
Chassis fan power |
JJ2 |
Speaker |
J6 |
32-bit VESA local bus slots |
SL1 & SL2 |
Optional mouse/keyboard |
J7 |
External CPU slot |
SL3 |
USER CONFIGURABLE SETTINGS |
|||
Function |
Jumper |
Position |
|
» |
Factory configured - do not alter |
JP5 |
N/A |
» |
Password disabled |
JP6 |
pins 2 & 3 closed |
|
Password enabled |
JP6 |
pins 1 & 2 closed |
» |
CMOS memory normal operation |
JP7 |
Open |
|
CMOS memory clear |
JP7 |
Closed |
» |
IRQ select IRQ11 |
JP8 |
pins 2 & 3 closed |
|
IRQ select IRQ10 |
JP8 |
pins 1 & 2 closed |
» |
Onboard buzzer enabled |
JP9 |
pins 1 & 2 closed |
|
External speaker enabled |
JP9 |
pins 2 & 3 closed |
DRAM CONFIGURATION (SYSTEM BOARD) |
||||
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 |
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
24MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
24MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
28MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
28MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
36MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
40MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
52MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
52MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M 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) 16M x 36 |
NONE |
NONE |
NONE |
72MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 16M x 36 |
NONE |
80MB |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
NONE |
84MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
84MB |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 1M x 36 |
NONE |
88MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
88MB |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
96MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
96MB |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 4M x 36 |
NONE |
100MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
100MB |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
DRAM CONFIGURATION (SYSTEM BOARD CON'T) |
||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
112MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
112MB |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
128MB |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
NONE |
132MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 1M x 36 |
NONE |
136MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
136MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
144MB |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
144MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 4M x 36 |
NONE |
148MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
148MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
160MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
160MB |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
160MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
192MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
NONE |
208MB |
(1) 4M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
208MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 4M x 36 |
(1) 16M x 36 |
256MB |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
(1) 16M x 36 |
VESA WAIT STATE CONFIGURATION |
|
Wait states |
JP3 |
0 wait states |
pins 1 & 2 closed |
1 wait state |
pins 2 & 3 closed |
BUS SPEED CONFIGURATION |
|
CPU speed |
JP4 |
<= 33MHz |
pins 1 & 2 closed |
> 33MHz |
pins 2 & 3 closed |
EXTERNAL BATTERY CONFIGURATION |
||||
Type |
JP10 |
JP11 |
JP12 |
JP13 |
Dallas |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
Benchmarq |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
AIC-7770 CONFIGURATION |
||
Setting |
JP1 |
JP2 |
Installed |
Open |
Open |
Not installed |
Closed |
Closed |
USER CONFIGURABLE SETTINGS |
|||
Function |
Jumper |
Position |
|
» |
LADS for VLB select 33MHz |
JP3 |
pins 1 & 2 closed |
|
LADS for VLB select 50MHz |
JP3 |
pins 2 & 3 closed |
» |
Factory configured - do not alter |
JP5 |
N/A |
» |
Factory configured - do not alter |
JP6 |
N/A |
» |
Factory configured - do not alter |
JP7 |
N/A |
» |
Local bus disabled |
JP10 |
pins 1 & 2 closed |
|
Local bus enabled |
JP10 |
pins 2 & 3 closed |
CACHE CONFIGURATION |
||||
Size |
Bank 0 |
Bank 1 |
TAG |
TAG (DIRTY) |
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
(1) 16K x 1 |
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
(1) 16K x 1 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
(1) 16K x 1 |
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
(1) 128K x 8 |
(1) 64K x 1 |
Note: The orientation of the cache banks and TAG banks are unidentified. |
CACHE JUMPER CONFIGURATION |
|||||||
Size |
JP11 |
JP12 |
JP13 |
JP14 |
JP18 |
JP19 |
JP20 |
64KB |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
128KB |
Closed |
Open |
Open |
Open |
Open |
Closed |
Open |
256KB |
Closed |
Closed |
Open |
Open |
Open |
Closed |
Closed |
1MB |
Closed |
Closed |
Closed |
Closed |
Closed |
Closed |
Closed |
CACHE BANK CONFIGURATION |
||
Type |
JP15 |
JP16 |
Single bank |
pins 1 & 2 closed |
pins 1 & 2 closed |
Double bank |
pins 2 & 3 closed |
pins 2 & 3 closed |
CPU SPEED CONFIGURATION |
||||
Type |
JP1 |
JP2 |
JP8 |
JP9 |
25MHz |
Open |
Open |
pins 1 & 2 closed |
pins 1 & 2 closed |
33MHz |
Open |
Closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
40MHz |
Closed |
Closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
50iMHz |
Open |
Open |
pins 1 & 2 closed |
pins 1 & 2 closed |
50MHz |
Closed |
Closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
66iMHz |
Open |
Closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
CPU TYPE CONFIGURATION |
|
Type |
JP4 |
80486SX |
pins 1 & 2 closed |
ODP486SX |
pins 2 & 3 closed |
80487SX |
pins 2 & 3 closed |
80486DX |
Open |
80486DX2 |
Open |
Pentium Overdrive |
pins 2 & 3 closed |
BUS SPEED CONFIGURATION |
|
CPU speed |
JP17 |
<= 33MHz |
pins 1 & 2, 3 & 4 closed |
> 33MHz |
pins 2 & 3 closed |
USER CONFIGURABLE SETTINGS |
|||
Function |
Jumper |
Position |
|
» |
Local bus disabled |
JP4 |
pins 2 & 3 closed |
|
Local bus enabled |
JP4 |
pins 1 & 2 closed |
CACHE CONFIGURATION |
||||
Size |
Bank 0 |
Bank 1 |
TAG |
TAG (DIRTY) |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
(1) 16K x 1 |
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
(1) 32K x 8 |
(1) 64K x 1 |
Note: The orientation of the cache banks and TAG banks are unidentified. The location of the TAG is unidentified. |
CACHE JUMPER CONFIGURATION |
||||
Size |
JP11 |
JP12 |
JP14 |
JP15 |
256KB |
Open |
Open |
Open |
Open |
1MB |
Closed |
Closed |
Closed |
Closed |
CPU FREQUENCY CONFIGURATION |
|||
Speed |
JP1 |
JP2 |
JP3 |
33MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
40MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
50MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
66MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
80MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |