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 |