Megaraid 320-2 Headers And Connectors - LSI MegaRAID 320 User Manual

Table 3.2

MegaRAID 320-2 Headers and Connectors

Connector Description
2
J1 I C Connector
J2 SCSI Activity LED
J3 Write Pending Indicator
(Dirty Cache LED)
J4 SCSI Termination
Enable Channel 0
J5 SCSI Termination
Enable Channel 1
J6 DIMM socket
J7 Internal SCSI
Channel 0 Connector
J8 Internal SCSI
Channel 1 Connector
J9 External SCSI
Channel 0 Connector
J19 External SCSI
Channel 1 Connector
J10 Battery Connector
J11 NVRAM Clear
J12 NMI
J13 32/64-bit secondary
PCI selection
J14 Firmware Initialization
Mode 0 or 3 Select
J15 Serial Debug Interface
J16 On-board BIOS Enable 2-pin header
Type
4-pin connector
4-pin header
2-pin header
3-pin header
3-pin header
DIMM socket
68-pin connector
68-pin connector
68-pin connector
68-pin connector
1
3-pin header
2-pin connector
2-pin connector
3-pin connector
2-pin connector
3-pin connector
MegaRAID 320 Storage Adapter Family
Copyright © 2003-2008 by LSI Corporation. All rights reserved.
Comments
Reserved for LSI Logic internal use
Connector for LED on enclosure to indicate
data transfers. Optional.
Connector for enclosure LED to indicate when
data in the cache has yet to be written to the
device. Optional.
Jumper on pins 1–2: Software uses drive
detection to control SCSI termination. (Refer to
J17 and J18.) This is the default.
Note: Leave J4 and J5 at the default setting to
allow the MegaRAID SCSI 320-2 to
automatically set its own SCSI
termination.
Jumper on pins 2–3: On-board SCSI
termination disabled.
No jumper: On-board SCSI termination enabled.
The MegaRAID 320-2 supports the following
sizes of SDRAM: 128 and 256 Mbytes.
Internal high-density SCSI bus connector
External very high-density SCSI bus
connector.
Connector for an optional battery pack
Pin-1 -BATT Terminal (black wire)
Pin-2 Thermistor (white wire)
Pin-3 +BATT Terminal (red wire)
Clears the contents of the nonvolatile random
access memory
Nonmaskable interrupt
Reserved for LSI Logic internal use
Reserved for LSI Logic internal use
Reserved for LSI Logic internal use
No jumper: BIOS enabled (default)
Jumpered: BIOS disabled
3-5