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Chapter 2 Installation Guide 17
Battery Select and Clear CMOS (J9)
This jumper sets the CMOS data retention power supply by
internal battery, external battery, or clear CMOS.
J9 Battery Select
Internal Battery* External Battery Clear CMOS
J9
* default setting
SCSI Select (J10) (SBC-599 only)
This jumper sets the data transfered by SCSI to 16-bit (Wide SCSI
enabled) or 8-bit (Wide SCSI disabled).
J10 SCSI Select
Wide SCSI Enabled* Wide SCSI Disabled
J10
1 2 1 2
* default setting
ISA Timing (J11) (SBC-599 only)
For high-drive ISA bus systems, in order to increase system
stability, you may delay the ISA timing for 1 or 2 clock pulses.
However, it will decrease system performance.
J11 ISA Timing
1 wait delay* 2 wait delay
J11
* default setting
1
1
1 2 3 4
1 2 3 4 1 2 3 4