User`s guide

22 Intel® RAID Controller RS2SG244 Hardware User’s Guide
Serial UART Header
Table 7. UART Connector Pin-out
Figure 10. UART Connector
Technical Specifications
Table 8. Technical Specifications
Pin # Name Description
1 UART0_TX UART TX SIGNAL (3.3V Signaling)
2 GND Ground
3 UART0_RX UART RX SIGNAL (3.3V Signaling)
4 P3V3_DUAL +3.3Vdc Power
1
Specification Intel
®
RAID Controller RS2SG244
RAID-on-Chip (ROC ) LSISAS2108 Integrated ROC, 800 MHz
Operating voltage +3.3 V, +12 V
Card size Full Height, extended half-length (6.6" x 4.2")
Array interface to host PCI Express* Revision 2.0, x8 lane width 5.0
Gbps
SAS/SATA bus speed Up to 6 Gbps per port, point-to-point
SAS/SATA ports 6x4 internal port, 1x4 external ports
Physical and virtual drive support 240 physical drives, 64 virtual drives, and
128 RAID arrays per controller
Cache 512 MB DDR2 800 MHz SDRAM, optional
battery backup
Firmware 8 MB in reflashable flash ROM
Compatible devices • 2.5-inch and 3.5-inch SAS or SATA II
drives
• Non disk devices including expanders
• Can support drives of mixed capacity