The GL831 is a highly-compatible, low cost SATA to PATA and PATA to SATA bridge controller, which integrates Genesys Logic own design Serial ATA PHY. As a one-chip solution which complies with Serial ATA specification rev. 2.6 and ATA / ATAPI-6 specification rev 1.0, the GL831 can support various kinds of ATA / ATAPI device in SATA to PATA and SATA device in PATA to SATA. The GL831 uses 25MHz crystal and slew-rate controlled pads to reduce the EMI issue. With 64-pin LQFP (7mmX7mm) package, the GL831 is the best cost/ performance solution for SATA to PATA and PATA to SATA application.