Toshiba Magnia 560S - Manual (Page 81)

Installation Steps
Hardware Installation
63
J5 SCSI Activity LED
J5 is a two-pin connector that attaches to a cable that connects to the hard disk LED
mounted on the computer enclosure. The LED indicates data transfers (SCSI bus
activity.)
Table 6.5 Pinout for J5 SCSI Activity LED
Pin Description Pin Description
1 VCC through pullup 2 SCSI activity signal
J6 Serial Port
J6 is a 3-pin header that attaches to a serial cable. This is for test purposes only.
Table 6.6 Pinout for J6 Serial Port
Pin Signal Description Pin Signal Description
1 RXD 2 TXD
3 GND
J8 Connector for optional BBU daughter card
J8 is a 40-pin connector that is used to mount an optional battery backup (BBU) unit
that is on a daughtercard.
J9 SCSI Bus Termination Power
J9 is a 2-pin jumper. The factory setting is Pins 1-2 shorted. Leave at the default setting
(jumper installed) for J9 to allow the PCI bus to provide termination power.
J10 Termination Enable
J10 is a three-pin header that specifies hardware or software control of SCSI
termination. Leave at the default setting (jumper on pins 1 and 2) to allow the
MegaRAID controller to automatically set its own SCSI termination.
Table 6.7 Pinout for J10 Termination Enable
Type of SCSI Termination J8 Setting
Software control of SCSI termination using drive detection. Short Pins 1-2
Permanently disable all onboard SCSI termination. Short Pins 2-3
Permanently enable all onboard SCSI termination. OPEN