Acer Aspire X3990 Acer Aspire X3990 Desktop Service Guide - Page 10

Hard disk drive • Support up to 2 SATA ports. 3.5", 25.4mm. • Capacity and models are listed on AVLC. Optical disk drive • Support up to one SATA 5.25" standard ODD. • Support DVD-ROM, DVD-SuperMulti, BD-combo, BD-rewrite. • Maximum ODD depth to 185mm with bezel. • Support models are listed on AVLC. Graphics card support requirement • No mechanical restriction. Serial ATA controller • Connector Type: SATA connector. • Connector Quantity: 2 • Storage Type support: • HDD : Support RAID 0/1/5/10. • Blue Ray ODD. • AHCI/RAID mode supported for internal SATA port. Audio • Realtek ALC662VC-0. • Support stereo output. (5.1 channel with SW re-tasking). LAN • Intel Lewisville 82579V GigaLAN PHY USB ports • Supports at least 10 USB ports on both front and rear side. • At least 6 USB ports located on rear panel and others located on front bezel and top bezel. • All USB ports must be boot-capable includes USB-ODD, USB-HDD, USB-FDD, and etc... • All USB ports must be 2.0 certified. • All USB ports must provide the over current protection. • Support USB QTY is vary by different chassis(W/CR USB 2 ports). Extension slot • 1 * PCIE x16 (PCIE V2.0). • 1 * PCIE x1 (PCIE V2.0). Buzzer • 1 on board buzzer 2 Chapter 1