Drives And Controllers; System Bios - Sony VAIO Digital Studio PCV-R556DS Reference Manual

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VAIO Digital Studio Reference Manual

Drives and Controllers

Diskette controller
Diskette drive
EIDE controller
*
IDE hard drive
†
DVD-ROM drive
‡
CD-RW drive
* Bus-mastering EIDE driver installed.
† Data on a DVD-ROM is read at a variable transfer rate, ranging from 6.6X at the innermost track to 16X at
the outermost track (the data transfer standard 1X rate is 1385 kbytes/s). The average data transfer rate is
11.3X (15,255 kbytes/s). Data on a CD-ROM is read at a variable transfer rate, ranging from 17.2X at the
innermost track to 40X at the outermost track (the data transfer standard 1X rate is 150 kbytes/s). The
average data transfer rate is 28.6X (4293 kbytes/s).
‡ CD-RW writing speed may vary, depending on the media. The maximum writing speed is 8X (1X = 150
kbytes/s). The maximum reading speed is 20X.

System BIOS

Make and model
ROM
Passwords
Power management
Advanced features
Plug and Play devices
Special features
* Flash-ROM update utility is available from Sony's web site at http://www.sony.com/pcsupport.
82077-compatible (supports up to 2.88 MByte)
1.44 MByte 3.5-inch MFDD
Supports up to four EIDE drives (supports PIO Mode 4
EIDE drives and Ultra DMA/66 Mode drives)
PCV-R556DS: 30 GByte
PCV-R558DS: 40 GByte
DVD-ROM read: 16X (maximum performance).
CD-ROM read: 40X (maximum performance).
CD-RW read: 20X (maximum performance).
CD-RW write: 4X (maximum perfornance).
CD-R read: 32X (maximum performance).
CD-R write: 8X (maximum performance).
CD-ROM read: 32X (maximum performance).
Award-based
2Mbit flash-ROM
User and supervisor passwords supported
APM 1.2
ACPI-1.0 compliant hardware for use with APM and
PNP BIOS APIs
Supported with steerable DMA channels and
interrupts
PC-99 compatible, multi-boot, PCI add-in card auto-
configure
*