Bosch DVA-08K User Manual

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en | Appendix: Technical Specifications
RAID Subsystem DVA-08K | Installation Manual
F.01U.027.797 | V2 | 2008.08
Bosch Security Systems
7.1
Controller Specifications
7.1.1
Configuration
7.1.2
Architecture
Specifications
RAID Levels
0, 1(0 + 1), 3, 5, 10, 30, 50, JBOD, and non-RAID disk spanning
Host OS Compatibil-
ity
Host OS independent; supports all major platforms
Host Interface
2 SCSI-320 channels via 2 dual-stacked VHDCI connectors
Host Channels
2 pre-configured SCSI-320 host channels
Drive Interface
Supports 8 channel connection to 3Gbps SATA-II disk drives, 
SATA-I backward compatible
Drive Channels
All drive channels are pre-configured, routed through a back-end 
PCB and cannot be changed
Caching Mode
Write-through or Write-back
Cache Memory
Pre-installed 256MB (or above) DDR RAM DIMM with/without 
ECC, in one DIMM socket
Number of LUN’s
Up to 32 per host ID
Multiple Target IDs/
Host Channel
Yes
Firmware on Flash 
Memory
Yes
Specifications
CPU
IBM PowerPC 750CXr
Gigabit Ethernet 
One 10/100BasedT for local or remote management access
DIMM Slot
One 184-pin DDR DIMM module
ASIC
64-bit chipset (ASIC266)
Flash ROM
32Mbit (4MB)
NVRAM
32KB with RTC
Hardware XOR
Yes
Real-time Clock
For event messages with time record tracking and scheduled 
maintenance tasks, e.g., Media Scan.