ACER, INC.
ACERALTOS 900 (M7), M7
|
Device Type |
Mainboard |
|
Processor |
Pentium |
|
Processor Speed |
75/90/100/120/133/150/166MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
Unidentified |
|
Maximum Onboard Memory |
192MB (EDO supported) |
|
Maximum Video Memory |
1MB |
|
Cache |
256/512KB |
|
BIOS |
Acer |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interface, SCSI interface, Wide Ultra SCSI interface, parallel port, PS/2 mouse port, serial ports (2), VGA interface, cache slot |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
CN1 |
VGA interface |
CN13 |
|
Serial port 2 |
CN2 |
Power LED & keylock |
CN15 |
|
5v power |
CN3 |
IDE interface |
CN16 |
|
3.3v power |
CN4 |
Speaker |
CN17 |
|
Parallel port |
CN5 |
Reset/turbo switch |
CN18 |
|
Floppy drive interface |
CN6 |
Chassis fan power |
FA1 |
|
IDE interface LED |
CN7 |
Chassis fan power |
FA2 |
|
LED connector |
CN10 |
PS/2 mouse port |
MS1 |
|
SCSI-2 interface |
CN11 |
32-bit PCI slots |
PC1 - PC4 |
|
Wide SCSI interface |
CN12 |
Cache slot |
SL1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Factory configured - do not alter |
CN8 |
Unidentified |
|
|
Factory configured - do not alter |
CN9 |
Unidentified |
|
|
Termination switchable through SCSI select utility |
JP2 |
Pins 2 & 3 closed |
|
Termination enabled |
JP2 |
Pins 1 & 2 closed | |
|
|
SCSI select 16-bit |
JP6 |
Pins 1 & 2 closed |
|
SCSI select 8-bit |
JP6 |
Pins 2 & 3 closed | |
|
|
BIOS type select Acer |
JP8 |
Pins 1 & 2 closed |
|
BIOS type select OEM |
JP8 |
Pins 2 & 3 closed | |
|
|
Password disabled |
JP9 |
Pins 2 & 3 closed |
|
Password enabled |
JP9 |
Pins 1 & 2 closed | |
|
|
Buzzer enabled |
JP10 |
Pins 1 & 2 closed |
|
External speaker enabled |
JP10 |
Pins 2 & 3 closed | |
|
|
Front panel reset enabled |
JP11 |
Pins 1 & 2 closed |
|
Front panel reset disabled |
JP11 |
Pins 2 & 3 closed | |
|
|
Factory configured - do not alter |
JP12 |
Pins 2 & 3 closed |
|
SIMM CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
8MB |
(2) 1M x 36 |
None |
None |
|
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
None |
|
16MB |
(2) 2M x 36 |
None |
None |
|
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
None |
|
24MB |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
|
32MB |
(2) 4M x 36 |
None |
None |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
None |
|
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
None |
|
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
None |
|
SIMM CONFIGURATION (CON'T) | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
48MB |
(2) 4M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
|
56MB |
(2) 4M x 36 |
(2) 2M x 36 |
(2) 1M x 36 |
|
64MB |
(2) 8M x 36 |
None |
None |
|
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
None |
|
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
None |
|
80MB |
(2) 8M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
|
88MB |
(2) 8M x 36 |
(2) 2M x 36 |
(2) 1M x 36 |
|
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
None |
|
96MB |
(2) 4M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
|
96MB |
(2) 8M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
|
104MB |
(2) 8M x 36 |
(2) 4M x 36 |
(2) 1M x 36 |
|
112MB |
(2) 8M x 36 |
(2) 4M x 36 |
(2) 2M x 36 |
|
128MB |
(2) 8M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
|
128MB |
(2) 16M x 36 |
None |
None |
|
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
None |
|
136MB |
(2) 8M x 36 |
(2) 8M x 36 |
(2) 1M x 36 |
|
136MB |
(2) 16M x 36 |
(2) 1M x 36 |
None |
|
144MB |
(2) 16M x 36 |
(2) 2M x 36 |
None |
|
144MB |
(2) 16M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
|
152MB |
(2) 16M x 36 |
(2) 2M x 36 |
(2) 1M x 36 |
|
160MB |
(2) 16M x 36 |
(2) 4M x 36 |
None |
|
160MB |
(2) 16M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
|
168MB |
(2) 16M x 36 |
(2) 4M x 36 |
(2) 1M x 36 |
|
176MB |
(2) 16M x 36 |
(2) 4M x 36 |
(2) 2M x 36 |
|
192MB |
(2) 16M x 36 |
(2) 8M x 36 |
None |
|
192MB |
(2) 16M x 36 |
(2) 4M x 36 |
(2) 4M x 36 |
|
Note: Board accepts EDO memory. | |||
|
CACHE CONFIGURATION | |
|
Size |
SL1 |
|
256KB |
256KB module installed |
|
512KB |
512KB module installed |
|
CACHE JUMPER CONFIGURATION | |
|
Size |
JP3 |
|
256KB |
Pins 1 & 2 closed |
|
512KB |
Pins 2 & 3 closed |
|
VIDEO MEMORY CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
512KB |
512KB |
None |
|
1MB |
512KB |
512KB |
|
CPU SPEED SELECTION | |||||
|
CPU speed |
Clock speed |
Multiplier |
JP4 |
JP5 |
JP7 |
|
75MHz |
50MHz |
1.5x |
2 & 3 |
2 & 3 |
1 & 2 |
|
90MHz |
60MHz |
1.5x |
2 & 3 |
2 & 3 |
2 & 3 |
|
100MHz |
66MHz |
1.5x |
2 & 3 |
2 & 3 |
3 & 4 |
|
120MHz |
60MHz |
2x |
2 & 3 |
1 & 2 |
2 & 3 |
|
133MHz |
66MHz |
2x |
2 & 3 |
1 & 2 |
3 & 4 |
|
150MHz |
60MHz |
2.5x |
1 & 2 |
1 & 2 |
2 & 3 |
|
166MHz |
66MHz |
2.5x |
1 & 2 |
1 & 2 |
3 & 4 |
|
Note: Pins designated should be in the closed position. | |||||
|
CPU TYPE SELECTION | ||||
|
Type |
JP13 |
JP14 |
JP15 |
JP16 |
|
P54C |
Open |
Closed |
Closed |
1 & 2, 3 & 4, 8 & 9, 10 & 11 |
|
Note: Pins designated should be in the closed position. | ||||
|
CPU VOLTAGE SELECTION | ||
|
Voltage |
JP1 | |
|
VR |
Pins 1 & 2 closed | |
|
VRE |
Pins 2 & 3 closed | |