PCI Express to x2 SATA II and x1 PATA Host Controller

product brief OS support

JMB363 is a single chip, one-lane PCI Express to two-port Serial ATA II and one-port PATA Host Controller. The JMB363 is designed to provide two-port SATA II and one-port PATA connectivity. The JMB363 supports both AHCI and Legacy IDE controller to increase system feasibility, including Native Command Queuing (NCQ), Hot Plugging, ATAPI Device Supporting, Port Multiplier with Command-based Switching Supporting, Programmable Output Swing Control to fit SATA II Gen1m and Gen2m (External SATA Connection, eSATA). It features PCI Express bus and Serial ATA II interface to express high performance storage devices.


Compliant with Serial ATA AHCI (Advanced Host Controller Interface) Spec. Reversion 1.0
Compliant with Bus Master Programming interface for IDE ATA Controllers Revision 1.0
Compliant with PCI Express Base Spec. Revision 1.0a
Compliant with Serial ATA High Speed Serialized AT Attachment Spec. Revision 1.0a
Compliant with Serial ATA II: Extensions to Serial ATA 1.0a Revision 1.1
Compliant with Gen1m and Gen2m Serial ATA II: Electrical Spec. Revision 1.0


Integrated 1-Lane PCI Express PHY and 2-port SATA II PHY
Integrated two PLL for both PCI Express bus and SATA II interface
Output swing control and Automatic impedance calibration for both PCI Express and SATA II PHY
Supports up to 64K Byte external Flash for BIOS expansion
Supports a slave SMBus interface (follow System Management Bus Specification Revision 1.1)
Fabricated 0.18um/3.3V UMC CMOS Standard Logic Process with 1.8V and 3.3V
Available in 100-pin LQFP package
Pin compatible with JMB361 (1-port SATA II & 1-port PATA Host Controller)


PCI Express
Supports 1-Lane 2.5Gbps PCI Express bus
Internal native interface multiplexed to 2-port SATA II and 1-port PATA
All registers accessible in unified memory space

Supports 2-port 3.0Gbps SATA II interface
Supports two independent SATA II channels (separate logic and FIFO)
Supports Native Command Queue (NCQ) on SATA II port
Supports Hot Plugging like USB on SATA II port
Supports SATA II Gen1m and Gen2m (External SATA Connection, eSATA)
Supports Port Multiplier with Command-based Switching on SATA II port
Supports up to UDMA6 transfer mode of PATA
Supports up to 4 storage device connection
Supports up to 0,1,0+1,JBOD RAID function

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