ACER
V50LAN
Device Type |
Mainboard |
Processor |
CX 6X86/AM K5/Pentium |
Processor Speed |
75/90/100/120/133/150/166MHz |
Chip Set |
Intel |
Video Chip Set |
ATI |
Maximum Onboard Memory |
128MB (EDO supported) |
Maximum Video Memory |
2MB |
Cache |
256KB |
BIOS |
Unidentified |
Dimensions |
330mm x 218mm |
I/O Options (backplane) |
CD-ROM interface, Ethernet 10BaseT connector, floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, PS/2 keyboard interface, serial ports (2), VGA feature connector, VGA port, riser slot, IR connector, line in, wavetable connector, audio in - CD-ROM |
CONNECTIONS |
|||
Purpose |
Location |
Purpose |
Location |
PS/2 mouse interface |
C2 |
IDE interface 1 |
CN8 |
Serial port 1 |
C3 |
IDE interface 2 |
CN9 |
Serial port 2 |
C4 |
Floppy drive interface |
CN10 |
Parallel port |
C5 |
Power LED & keylock |
CN17/pins 1-5 |
VGA port |
C6 |
Speaker |
CN17/pins 7-10 |
Audio connector |
CN1 |
Green PC LED |
CN17/pins 12 & 13 |
ATI media connector |
CN2 |
Turbo switch |
CN17/pins 15-17 |
Audio in - CD-ROM |
CN3 |
Reset switch |
CN17/pins 19 & 20 |
Wavetable connector |
CN4 |
Hard disk LED connector |
CN20 |
Line in - internal |
CN5 |
Fan connector |
CN21 |
Fax/voice modem line in |
CN6 |
Riser slot |
SL1 |
VGA/Ethernet feature connector |
CN7 |
|
|
USER CONFIGURABLE SETTINGS |
|||
Function |
Label |
Position |
|
Factory configured - do not alter |
CN12 |
Reserved |
|
SMM switch enabled |
CN16 |
Pins 1 & 2 closed |
|
|
Reset switch enabled |
CN16 |
Pins 2 & 3 closed |
Factory configured - do not alter |
CN16/pins 3 & 4 |
Reserved |
|
BIOS type select Acer |
JP2 |
Pins 1 & 2 closed |
|
|
BIOS type select OEM |
JP2 |
Pins 2 & 3 closed |
Password disabled |
JP3 |
Pins 2 & 3 closed |
|
Password enabled |
JP3 |
Pins 1 & 2 closed |
|
Flash ROM boot block disabled |
JP4 |
Pins 2 & 3 closed |
|
|
Flash ROM boot block enabled |
JP4 |
Pins 1 & 2 closed |
Factory configured - do not alter |
JP13 |
Reserved |
SIMM CONFIGURATION |
||
Size |
Bank 0 |
Bank 1 |
8MB |
(2) 1M x 36 |
None |
16MB |
(2) 2M x 36 |
None |
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 |
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
64MB |
(2) 8M x 36 |
None |
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
72MB |
(2) 8M x 36 |
(2) 1M x 36 |
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
BIOS ROM TYPE SELECTION |
|
Function |
JP5 |
Flash ROM boot block disabled |
Pins 3 & 4 closed |
Flash ROM boot block enabled |
Pins 2 & 3 closed |
Reserved |
Pins 1 & 2 closed |
CACHE CONFIGURATION |
Note: The cache configuration is unidentified. |
CACHE JUMPER CONFIGURATION |
||
Size |
JP7 |
JP8 |
256KB asynchronous or pipeline burst SRAM |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
VIDEO MEMORY CONFIGURATION |
||
Size |
Bank 0 |
Bank 1 |
1MB |
(2) 256K x 16 |
None |
2MB |
(2) 256K x 16 |
(2) 256K x 16 |
CPU SPEED SELECTION (PENTIUM) |
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CPU speed |
Clock speed |
JP6 |
JP9 |
75MHz |
50MHz |
Pins 1 & 4 closed |
Pins 1 & 2 closed |
90MHz |
60MHz |
Pins 2 & 5 closed |
Pins 1 & 2 closed |
100MHz |
50MHz |
Pins 1 & 4 closed |
Pins 2 & 3 closed |
100MHz |
66MHz |
Pins 3 & 6 closed |
Pins 1 & 2 closed |
120MHz |
60MHz |
Pins 2 & 5 closed |
Pins 2 & 3 closed |
133MHz |
66MHz |
Pins 3 & 6 closed |
Pins 2 & 3 closed |
150MHz |
60MHz |
Pins 2 & 5 closed |
Pins 1 & 2 closed |
166MHz |
66MHz |
Pins 3 & 6 closed |
Pins 1 & 2 closed |
CPU MULTIPLIER SELECTION (INTEL) |
||
Multiplier |
JP10 |
JP11 |
1.5x |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
2x |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
2.5x |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
3x |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
CPU MULTIPLIER SELECTION (AM K5) |
||
Multiplier |
JP10 |
JP11 |
3x |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
2x |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
CPU MULTIPLIER SELECTION (CX 6X86) |
||
Multiplier |
JP10 |
JP11 |
3x |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
2x |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
CPU VOLTAGE SELECTION |
|
Voltage |
JP12 |
3.38v |
Pins 1 & 2 closed |
3.52v |
Pins 2 & 3 closed |