Adaptec SBC-596 manual Battery Select and Clear Cmos J9, Scsi Select J10 SBC-599 only

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
1	2	3	4	1	2	3	4	1	2	3	4

* 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*

J10
1	2

Wide SCSI Disabled

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

1

1

* default setting

Chapter 2 Installation Guide 17