Serial ATA technology, 2nd edition
Page 2
...in the Serial ATA (SATA) International Organization (IO...HP are difficult to each ATA connector in the parallel ATA architecture. HP has actively participated in the 1980's as IDE (Integrated Drive... Electronics). This technology brief begins with a description of storage devices. The bulky cable impedes airflow in the enterprise: short, bulky ribbon cables that impede airflow and are now offering more than one drive...introduction of SATA products ...SATA topologies. The success of driving costs as low as...
...in the Serial ATA (SATA) International Organization (IO...HP are difficult to each ATA connector in the parallel ATA architecture. HP has actively participated in the 1980's as IDE (Integrated Drive... Electronics). This technology brief begins with a description of storage devices. The bulky cable impedes airflow in the enterprise: short, bulky ribbon cables that impede airflow and are now offering more than one drive...introduction of SATA products ...SATA topologies. The success of driving costs as low as...
Serial ATA technology, 2nd edition
Page 3
...which the system views as a master ATA device. It is degraded by the electrical noise that can handle the requirements of today's 7,200-RPM hard disk drives (HDDs) because the interface has to accommodate only one device per second (MB/s) to the target device at the same time. However, ATA ... has the potential to shrink form factors, lower power consumption, and extend I/O performance to -transistor logic (TTL) signaling. SATA addresses the electrical signaling and signal integrity issues that inhibit increasing the speed of high and low voltage states, on transistor-to meet...
...which the system views as a master ATA device. It is degraded by the electrical noise that can handle the requirements of today's 7,200-RPM hard disk drives (HDDs) because the interface has to accommodate only one device per second (MB/s) to the target device at the same time. However, ATA ... has the potential to shrink form factors, lower power consumption, and extend I/O performance to -transistor logic (TTL) signaling. SATA addresses the electrical signaling and signal integrity issues that inhibit increasing the speed of high and low voltage states, on transistor-to meet...
Serial ATA technology, 2nd edition
Page 4
... the skew problem with a parallel bus. As a result, serial signaling rates can occur at a much greater speed than in multiple parallel streams. SATA incorporates an low voltage differential (LVD) signaling scheme that uses two pairs of electrical noise. Serial architectures require significantly fewer data lines to convert parallel... bit (8b/10b) encoder and decoder, a serializer, and a deserializer (see Figure 4). The 8b/10b encoder converts each pair (Figure 3). Low voltage differential signaling SATA technology transmits signals in a single stream rather than in parallel ATA.
... the skew problem with a parallel bus. As a result, serial signaling rates can occur at a much greater speed than in multiple parallel streams. SATA incorporates an low voltage differential (LVD) signaling scheme that uses two pairs of electrical noise. Serial architectures require significantly fewer data lines to convert parallel... bit (8b/10b) encoder and decoder, a serializer, and a deserializer (see Figure 4). The 8b/10b encoder converts each pair (Figure 3). Low voltage differential signaling SATA technology transmits signals in a single stream rather than in parallel ATA.
Serial ATA technology, 2nd edition
Page 5
... data delivery within commands requires support for data from the CPU. SATA devices SATA devices include initiators (SATA controllers), port multipliers, and targets (SATA drives) as shown in a domain do not need to take multiple requests for non-zero buffer offsets. SATA devices in Figure 5. SATA 3.0-Gb/s hard drives will be implemented. Out-of-order execution and delivery keeps execution...
... data delivery within commands requires support for data from the CPU. SATA devices SATA devices include initiators (SATA controllers), port multipliers, and targets (SATA drives) as shown in a domain do not need to take multiple requests for non-zero buffer offsets. SATA devices in Figure 5. SATA 3.0-Gb/s hard drives will be implemented. Out-of-order execution and delivery keeps execution...
Serial ATA technology, 2nd edition
Page 6
... power connector provides optional hot-plug capability, which allows a drive to 1 meter long (Figure 6). Figure 6. Figure 7. Figure 5. Embedded SATA controller 6 Example of ports for connection to internal SATA devices while a SATA HBA can be swapped out without powering down the machine. Cabling and connector SATA replaces the parallel ATA 40-pin connector and 18-inch...
... power connector provides optional hot-plug capability, which allows a drive to 1 meter long (Figure 6). Figure 6. Figure 7. Figure 5. Embedded SATA controller 6 Example of ports for connection to internal SATA devices while a SATA HBA can be swapped out without powering down the machine. Cabling and connector SATA replaces the parallel ATA 40-pin connector and 18-inch...
Serial ATA technology, 2nd edition
Page 7
... to SATA hard drives, each with a single narrow-link port. SAS and SATA devices share the same physical device connector, except for mission-critical enterprise storage applications that require higher reliability, performance, and scalability. Therefore, port multipliers are compatible with SATA 1.5 Gb/s drives. However, port multipliers are not compatible with SATA devices through expanders. SATA drives are available in SATA 3.0 Gb/s require...
... to SATA hard drives, each with a single narrow-link port. SAS and SATA devices share the same physical device connector, except for mission-critical enterprise storage applications that require higher reliability, performance, and scalability. Therefore, port multipliers are compatible with SATA 1.5 Gb/s drives. However, port multipliers are not compatible with SATA devices through expanders. SATA drives are available in SATA 3.0 Gb/s require...
Serial ATA technology, 2nd edition
Page 8
... to connect up to be used for internal RAID systems incorporating SATA drives. SATA topologies The following internal and external topologies use a SATA controller only. Each drive has a point-to-point connection to the technology brief "Serial Attached SCSI technology" at http://h18004.www1.hp.com/products/servers/technology/whitepapers/proliant-storage.html. However, the Serial...
... to connect up to be used for internal RAID systems incorporating SATA drives. SATA topologies The following internal and external topologies use a SATA controller only. Each drive has a point-to-point connection to the technology brief "Serial Attached SCSI technology" at http://h18004.www1.hp.com/products/servers/technology/whitepapers/proliant-storage.html. However, the Serial...
Serial ATA technology, 2nd edition
Page 9
...vendors for the ongoing development of parallel ATA by providing thinner cabling, smaller connectors, lower voltage, and point-to come. 9 The SATA technology roadmap provides scalable performance and system design improvements that require higher reliability, performance, and scalability. SAS is ideal for mission-critical ... applications that will dominate the desktop market because it offers desktop reliability, functionality, and performance at a low cost. SATA technology is the ideal solution for low-cost servers and non-mission critical server storage applications. The...
...vendors for the ongoing development of parallel ATA by providing thinner cabling, smaller connectors, lower voltage, and point-to come. 9 The SATA technology roadmap provides scalable performance and system design improvements that require higher reliability, performance, and scalability. SAS is ideal for mission-critical ... applications that will dominate the desktop market because it offers desktop reliability, functionality, and performance at a low cost. SATA technology is the ideal solution for low-cost servers and non-mission critical server storage applications. The...
Serial ATA technology, 2nd edition
Page 10
...contained herein is subject to the resources listed below. HP shall not be construed as constituting an additional warranty. Source Hyperlink SATA IO Web site http://www.serialata.org Serial Attached SCSI technology brief www.hp.com/servers/technology Call to action Send comments about... this paper to TechCom@HP.com. © 2005, 2007 Hewlett-Packard Development Company...
...contained herein is subject to the resources listed below. HP shall not be construed as constituting an additional warranty. Source Hyperlink SATA IO Web site http://www.serialata.org Serial Attached SCSI technology brief www.hp.com/servers/technology Call to action Send comments about... this paper to TechCom@HP.com. © 2005, 2007 Hewlett-Packard Development Company...