DATAEXPERT CORPORATION
AIO8554
|
Device Type |
Mainboard |
|
Processor |
Pentium |
|
Processor Speed |
75/90/100/120/133MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
Unidentified |
|
Maximum Onboard Memory |
128MB |
|
Maximum Video Memory |
2MB |
|
Cache |
256/512KB |
|
BIOS |
AMI |
|
Dimensions |
330mm x 210mm |
|
I/O Options |
Floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, riser slot, wavetable connector, audio in CD-ROMs (3), MIDI connector |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
J1 |
Audio in CD-ROM (Panasonic) |
J14 |
|
Serial port 2 |
J2 |
Audio in CD-ROM (Sony) |
J15 |
|
Parallel port |
J3 |
Audio in CD-ROM(Mitsumi) |
J16 |
|
VGA port |
J4 |
Reset switch |
J17 |
|
External battery |
J6 |
Turbo LED |
J18 |
|
VGA feature connector |
J7 |
Turbo switch |
J19 |
|
IDE interface 1 |
J8 |
Speaker |
J20 |
|
IDE interface 2 |
J9 |
Power LED & keylock |
J21 |
|
IDE interface LED |
J10 |
Green PC connector |
JP18 |
|
IDE interface LED |
J11 |
MIDI connector |
JP38 |
|
Floppy drive interface |
J12 |
PS/2 mouse port |
M1 |
|
Wavetable connector |
J13 |
Riser slot |
SL1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
» |
CMOS memory normal operation |
JP11 |
Pins 2 & 3 closed |
|
CMOS memory clear |
JP11 |
Pins 1 & 2 closed | |
|
» |
CMOS memory normal operation (12887A clock only) |
JP12 |
Open |
|
CMOS memory clear (12887A clock only) |
JP12 |
Closed | |
|
Printer mode select standard |
JP15 |
Closed | |
|
Printer mode select EPP/ECP |
JP15 |
Open | |
|
Feature function disabled |
JP40 |
Open | |
|
Feature function enabled |
JP40 |
Closed | |
|
SIMM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
2MB |
(2) 256K x 36 |
None |
|
4MB |
(2) 512K x 36 |
None |
|
4MB |
(2) 256K x 36 |
(2) 256K x 36 |
|
6MB |
(2) 512K x 36 |
(2) 256K x 36 |
|
8MB |
(2) 1M x 36 |
None |
|
8MB |
(2) 512K x 36 |
(2) 512K x 36 |
|
10MB |
(2) 1M x 36 |
(2) 256K x 36 |
|
12MB |
(2) 512K x 36 |
(2) 1M x 36 |
|
SIMM CONFIGURATION (CONT) | ||
|
Size |
Bank 0 |
Bank 1 |
|
16MB |
(2) 2M x 36 |
None |
|
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
|
18MB |
(2) 2M x 36 |
(2) 256K x 36 |
|
20MB |
(2) 512K x 36 |
(2) 2M x 36 |
|
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
|
32MB |
(2) 4M x 36 |
None |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
|
34MB |
(2) 4M x 36 |
(2) 256K x 36 |
|
36MB |
(2) 512K x 36 |
(2) 4M x 36 |
|
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
|
48MB |
(2) 2M x 36 |
(2) 4M x 36 |
|
64MB |
(2) 8M x 36 |
None |
|
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
|
66MB |
(2) 8M x 36 |
(2) 256K x 36 |
|
68MB |
(2) 512K x 36 |
(2) 8M x 36 |
|
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
|
80MB |
(2) 2M x 36 |
(2) 8M x 36 |
|
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
|
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
|
CACHE CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
TAG |
|
256KB (A) |
None |
None |
(2) 32K x 36 |
Unidentified |
|
256KB (B) |
(2) 32K x 32 |
None |
None |
(1) 8K/16K/32K x 8 |
|
512KB |
(2) 32K x 32 |
(2) 32K x 32 |
None |
(1) 16K/32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
JP22 |
JP31 |
|
256KB (B) |
Open |
Pins 1 & 2 closed |
|
512KB |
Closed |
Pins 2 & 3 closed |
|
VIDEO MEMORY CONFIGURATION |
|
Note: The video chips sizes are unidentified. |
|
CPU SPEED SELECTION | ||||||
|
CPU speed |
Clock speed |
Multiplier |
JP24 |
JP27 |
JP29 |
JP30 |
|
75MHz |
50MHz |
1.5x |
Open |
Open |
Open |
Open |
|
90MHz |
60MHz |
1.5x |
Closed |
Open |
Open |
Open |
|
100MHz |
66MHz |
1.5x |
Closed |
Closed |
Open |
Open |
|
120MHz |
60MHz |
2x |
Closed |
Open |
Closed |
Open |
|
133MHz |
66MHz |
2x |
Closed |
Closed |
Closed |
Open |
|
DMA CHANNEL SELECTION | ||
|
Channel |
JP13 |
JP14 |
|
1 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
3 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |