ACER, INC.
ACERALTOS 9100B
Device Type |
Mainboard |
Processor |
Pentium II |
Processor Speed |
350/400MHz |
Chip Set |
Intel 440BX |
Video Chip Set |
Unidentified |
Maximum Onboard Memory |
512MB (EDO supported) |
Maximum Video Memory |
2MB |
Cache |
256/512KB (located on Pentium II CPU) |
BIOS |
Acer |
Dimensions |
305mm x 244mm |
I/O Options |
32-bit PCI slots (5), Ethernet 10BaseT connector, floppy drive interface, IDE interface, SCSI interface, Wide Ultra SCSI interface, PS/2 mouse port, serial ports (2), VGA port, USB connectors (2), ATX power connector, CPU slot |
CONNECTIONS |
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Purpose |
Location |
Purpose |
Location |
ATX power connector |
ATX |
VGA port |
CN14A |
Chassis fan power |
C1 |
IDE interface |
CN15 |
Chassis fan power |
C2 |
Ethernet 10BaseT connector |
CN16 |
Chassis fan power |
C3 |
SCSI interface |
CN17 |
Serial port 1 |
CN1 |
Floppy drive interface |
CN18 |
Serial port 2 |
CN2 |
USB connector 1 |
CN19 |
PS/2 mouse port |
CN4 |
USB connector 2 |
CN19A |
Software shutdown for 420 power |
CN5 |
External SCSI interface |
CN22 |
RDM connector |
CN6 |
IDE interface LED |
CN23 |
RDM connector |
CN7 |
SMM connector |
CN24 |
Soft off power supply |
CN8 |
External SCSI interface |
CN25 |
Software shutdown for 200 power |
CN9 |
Chassis intrusion connector |
CNN1 |
Power LED & keylock |
CN10 |
32-bit PCI slots |
PC1 - PC5 |
Redundant power supply connector |
CN11 |
CPU slot |
SL2 |
NMI signal connector |
CN12 |
3.3v power |
U1 |
LED connector |
CN13 |
3.3v power |
U5 |
Parallel port |
CN14 |
USER CONFIGURABLE SETTINGS |
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Function |
Label |
Position |
|
Factory configured - do not alter |
JP1 |
Pins 1 & 2 closed |
|
Factory configured - do not alter |
JP2 |
Pins 1 & 2 closed |
|
Password disabled |
JP3 |
Pins 2 & 3 closed |
|
|
Password enabled |
JP3 |
Pins 1 & 2 closed |
5v standby enabled |
JP4 |
Pins 1 & 2 closed |
|
|
5v standby disabled |
JP4 |
Pins 2 & 3 closed |
On board video enabled |
JP7 |
Pins 1 & 2 closed |
|
|
On board video disabled |
JP7 |
Pins 2 & 3 closed |
VIDEO MEMORY CONFIGURATION |
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Size |
Bank 0 |
Bank 1 |
1MB |
(2) 256K x 16 |
None |
2MB |
(2) 256K x 16 |
(2) 256K x 16 |
SCSI TERMINATON SELECTION |
|
Setting |
JP6 |
Termination enabled |
Pins 1 & 2 closed |
Termination switchable through SCSI select utility |
Pins 2 & 3 closed |
CONNECTIONS |
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Purpose |
Location |
Purpose |
Location |
CPU2 fan power |
CN1 |
CPU1 fan power |
CN3 |
Thermal detection connector 2 |
CN2 |
Thermal detection connector 1 |
CN4 |
DIMM CONFIGURATION |
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Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
8MB |
(1) 1M x 64 |
None |
None |
None |
16MB |
(1) 2M x 64 |
None |
None |
None |
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
None |
None |
24MB |
(1) 2M x 64 |
(1) 1M x 64 |
None |
None |
24MB |
(1) 1M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
None |
32MB |
(1) 4M x 64 |
None |
None |
None |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
None |
None |
32MB |
(1) 1M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
40MB |
(1) 4M x 64 |
(1) 1M x 64 |
None |
None |
48MB |
(1) 4M x 64 |
(1) 2M x 64 |
None |
None |
48MB |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
None |
64MB |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
64MB |
(1) 8M x 64 |
None |
None |
None |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
None |
None |
72MB |
(1) 8M x 64 |
(1) 1M x 64 |
None |
None |
80MB |
(1) 8M x 64 |
(1) 2M x 64 |
None |
None |
96MB |
(1) 8M x 64 |
(1) 4M x 64 |
None |
None |
96MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
None |
DIMM CONFIGURATION (CON'T) |
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Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
128MB |
(1) 16M x 64 |
None |
None |
None |
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
None |
None |
128MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
136MB |
(1) 16M x 64 |
(1) 1M x 64 |
None |
None |
144MB |
(1) 16M x 64 |
(1) 2M x 64 |
None |
None |
176MB |
(1) 16M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
192MB |
(1) 16M x 64 |
(1) 8M x 64 |
None |
None |
192MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
None |
256MB |
(1) 16M x 64 |
(1) 16M x 64 |
None |
None |
256MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
272MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
288MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
320MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
384MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
None |
512MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
Note: Board accepts EDO memory. |
CACHE CONFIGURATION |
Note: 256KB/512KB cache is located on the Pentium II CPU. |
CPU SPEED SELECTION |
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CPU speed |
Clock speed |
Multiplier |
JP1A |
JP1B |
JP1C |
JP1D |
350MHz |
100MHz |
3.5x |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
400MHz |
100MHz |
4x |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
Note: Pins designated should be in the closed position. |