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AcerAltos 19000 User’s Guide
4-4
Table 4-1 Jumper Settings
Jumper Setting Function
Oscillator Freq.
J12 Open
1-2
2-3
*
50 MHz
60 MHz
66 MHz
SCSI Feature
J13 Open
Closed*
Not Used
Wide SCSI
ITP Boundary Scan
J14
J15
Open
**
2-3**
J14 and J15 are for CPU testing
purposes only.
Note: Do not reconfigure.
SCSI Termination
J16 1-2
2-3*
SCSI terminator set to On
SCSI terminator switchable to On
or Off using the SCSI Setup
Utility
Password Security
J18 1-2
2-3*
Check password
Bypass password
BIOS Logo
J19 1-2*
2-3
For models with Acer BIOS
For models with OEM BIOS
Sound Output
J1501 1-2*
Open
Enable buzzer output
Disable buzzer output
* Default setting
** Fixed setting. Not user-configurable.