參數(shù)資料
型號(hào): GEM312
英文描述: Controller Miscellaneous - Datasheet Reference
中文描述: 控制器雜項(xiàng)-數(shù)據(jù)表參考
文件頁(yè)數(shù): 1/2頁(yè)
文件大?。?/td> 17K
代理商: GEM312
32312-580-00 A
GEM312
1
Features
I
Low-cost, single-chip solution for comprehensive
management of server and storage enclosures
I
Compliance with
SCSI Accessed Fault Tolerant
Enclosures
(SAF-TE) specification, version 1.00
and addendum
I
Multimode, low voltage differential (LVD) SCSI
(on-chip, 48 mA and LVD SCSI transceivers)
I
Implemented as a standard SCSI target for easy
integration and compatibility
I
Eight bit, asynchronous SCSI data transfers
I
Wide SCSI addressing with hardware assigned
SCSI ID
I
Support for flash ROM
I
Reports enclosure configuration and status
I
Automatic notification of an environmental failure
I
Monitors storage devices, fans, power supplies, and
temperature
I
Controls indicators (for example, LEDs and audible
alarms)
I
Connects to the host using a standard, single-ended
SCSI cable
I
Vendor programmable operating configuration
Product Description
The GEM312 is a low-cost, single-chip enclosure
management controller for servers and mass storage
subsystems. It supports the Ultra2 (LVD) specification and
provides a rich set of features and functions for monitoring
and managing enclosures. The GEM312 supports the SCSI
SAF-TE specification.
The GEM312 features support for 12 drive slots,
6 power supplies, 6 fans, and 4 digital temperature sensors.
An I
2
C serial interface and two general purpose output bits
provide additional interface flexibility.
Operating configuration is vendor programmable,
allowing the use of a single GEM312-based enclosure in a
variety of system configurations.
The GEM312 block diagram is illustrated in figure 1.
Figure 1. GEM312 Block Diagram
GEM312
TWO-WIRE
INTERFACE
CONTROL
SCSI
TARGET
INTERFACE
SAF-TE
REGISTERS
RESET
CLK
I
2
C TEMP SENSORS AND
PASS-THRU DATA
SCSI BUS
LED/ADR OUTPUTS
SEND GLOBAL OUTPUTS
– ENCLOSURE POWER
– ALARM
– FAIL
ID_ON
MEMORY
CPU
STATUS
EPROM
OR
FLASH
TIMER
ENCLOSURE STATUS
– FAN STATUS
– POWER SUPPLY STATUS
– DEVICE PRESENT
– TEMP. OUT OF RANGE
QLogic Corporation
GEM312 Guardian Enclosure Management
Controller
Data Sheet
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