ACER, INC.
PI1
|
Processor |
CX M1/Pentium |
|
Processor Speed |
75/90/100MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
Cirrus Logic |
|
Maximum Onboard Memory |
128MB |
|
Maximum Video Memory |
2MB |
|
Cache |
256KB |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), feature connector, VGA port, riser slot |
|
NPU Options |
None |
|
CONNECTIONS |
|||
|
Purpose |
Location |
Purpose |
Location |
|
Feature connector |
CN1 |
IDE interface 1 |
CN9 |
|
PS/2 mouse port |
CN2 |
Front panel LEDs |
J1 |
|
Serial port 1 |
CN3 |
Front panel LEDs |
J2 |
|
Serial port 2 |
CN4 |
IDE interface LED |
J3 |
|
Parallel port |
CN5 |
IDE interface LED |
J4 |
|
VGA port |
CN6 |
Green PC connector/reset switch |
JP15 |
|
Floppy drive interface |
CN7 |
Riser slot |
SL1 |
|
IDE interface 2 |
CN8 |
|
|
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Label |
Position |
|
|
» |
BIOS type select OEM BIOS installed |
JP1 |
Pins 2 & 3 closed |
|
|
BIOS type select RESERVED BIOS |
JP1 |
Pins 1 & 2 closed |
|
» |
Password disabled |
JP2 |
Pins 2 & 3 closed |
|
|
Password enabled |
JP2 |
Pins 1 & 2 closed |
|
» |
BIOS type select flash BIOS |
JP3 |
Pins 1 & 2 closed |
|
|
BIOS type select EPROM |
JP3 |
Pins 2 & 3 closed |
|
» |
On board SMC665 enabled |
JP6 |
Pins 2 & 3 closed |
|
|
On board SMC665 disabled |
JP6 |
Pins 1 & 2 closed |
|
» |
On board GD5434 enabled |
JP7 |
Pins 2 & 3 closed |
|
|
On board GD5434 disabled |
JP7 |
Pins 1 & 2 closed |
|
» |
IDE interface enabled |
JP9 |
Pins 2 & 3 closed |
|
|
IDE interface disabled |
JP9 |
Pins 1 & 2 closed |
|
» |
ADS# not delayed |
JP11 |
Pins 1 & 2 closed |
|
|
ADS# delayed by one CPU clock |
JP11 |
Pins 2 & 3 closed |
|
» |
Reset switch used as reset switch |
JP15 |
Pins 2 & 3 closed |
|
|
Reset switch used as green PC connector |
JP15 |
Pins 1 & 2 closed |
|
DRAM CONFIGURATION |
||
|
Size |
Bank 0 |
Bank 1 |
|
8MB |
(2) 1M x 36 |
None |
|
16MB |
None |
(2) 2M x 36 |
|
16MB |
(2) 1M x 36 |
(2) 1M 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 |
|
40MB |
(2) 4M x 36 |
(2) 1M x 36 |
|
DRAM CONFIGURATION (CON'T) |
||
|
Size |
Bank 0 |
Bank 1 |
|
48MB |
(2) 2M x 36 |
(2) 4M x 36 |
|
64MB |
(2) 8M x 36 |
None |
|
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
|
72MB |
(2) 1M x 36 |
(2) 8M x 36 |
|
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
|
96MB |
(2) 4M x 36 |
(2) 8M x 36 |
|
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
|
Note: Banks are interchangeable. |
||
|
CACHE CONFIGURATION |
|
Note: 256KB cache is factory installed and is not configurable. |
|
VIDEO MEMORY CONFIGURATION |
||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
1MB |
None |
|
2MB |
1MB |
(2) 256K x 16 |
|
Note: Bank 0 is factory installed and is not configurable. |
||
|
CPU SPEED SELECTION |
||
|
CPU speed |
Clock speed |
JP8 |
|
75MHz |
50MHz |
Pins 1 & 4 closed |
|
90MHz |
60MHz |
Pins 2 & 5 closed |
|
100MHz |
66MHz |
Pins 3 & 6 closed |
|
CPU TYPE SELECTION |
|
|
Type |
JP12 |
|
Cyrix |
Pins 2 & 3 closed |
|
Intel |
Pins 1 & 2 closed |
|
CPU VOLTAGE SELECTION |
|
|
Voltage |
JP13 |
|
3.3825v |
Pins 1 & 2 closed |
|
3.5250v |
Pins 2 & 3 closed |
|
CPU CORE CLOCK RATIO SELECTION |
|
|
Ratio |
JP14 |
|
3/2 |
Pins 1 & 2 closed |
|
2x |
Pins 2 & 3 closed |
|
DMA CHANNEL SELECTION |
|||
|
Channel |
JP4 |
JP5 |
|
|
» |
1 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
|
3 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |