參數(shù)資料
型號: SYM22902
英文描述: SYM22902 PCI to Ultra2 SCSI Dual Channel low profile PCI host adapter user's guide v1.0
中文描述: SYM22902 PCI到Ultra2的SCSI雙通道高PCI主機適配器用戶指南1.0版
文件頁數(shù): 69/88頁
文件大?。?/td> 1211K
代理商: SYM22902
Subsystem ID and Subsystem Vendor ID
A-9
A.2.3 The LED Interface
The SYM22902 LED interface is a four-wire arrangement that allows you
to connect an LED harness to the board. The GPIO0_FETCH line for
each channel has a maximum output low voltage of 0.4 V and minimum
output low current of 16 mA. It is driven low to complete the circuit when
a harness with an LED is attached. The connector on the SYM22902 is
J3 for both channels.
Table A.5
lists the signal and pin numbers for the
LED interface.
A.3 Subsystem ID and Subsystem Vendor ID
The Subsystem ID and System Vendor ID for the SYM22902 are
provided in
Table A.6
. The ID numbers are contained in the SYM22902
EEPROM. During system initialization, the IDs are loaded into the
Subsystem Vendor ID and Subsystem ID registers in the on-board
controller chip, the SYM53C896. For more information on the operation
of these registers, refer to the LSI Logic
Symbios SYM53C896 PCI to
Dual Channel Ultra2 SCSI Multifunction Controller Technical Manual
.
Table A.5
LED Connector J3 Pin Out
Signal Name
Pin
A
_
LED+
1
A_LED
2
B_LED
3
B_LED+
4
Table A.6
Subsystem ID and Subsystem Vendor ID
Subsystem
ID
Subsystem Vendor ID
1000
Subsystem ID
1030
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