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Chapter 1 23
Thermal Control
BIOS ROM
Formats Supported Read
• BD-Video (12cm, Single and Dual Layer), BD-ROM (12cm, Single
and Dual Layer)
• DVD-Video (8cm/12cm, Single and Dual Layer), DVD-ROM (8cm/
12cm, Single and Dual Layer), Multi-Boarder, Multi-Session
CD Write
• CD-R Media (48x/40x/32x/24x/16x/8x) Mitsubishi (Verbatim), Taiyo-
Yuden, Mitsui, Ricoh, Fuji film, Sony, Hitachi Maxell, Memorex,
RITEK, CMC, P.V.C, JVC, SKC, ACER, Prime Disc, TDK
• CD-RW Media (10x/4x) Ricoh, Mitsubishi (Verbatim), ACER,
OPTROM, Memorex, P.V.C, RITEK, CMC, LEADDATA, GigaStorage,
Prodisc, Fornex, Samsung, Philips
DVD Write
• DVD+R Media (16x/8x/4x/2.4x) Taiyo-Yuden, Mitsubishi (Verbatim),
Ricoh, TDK
• DVD+R Double Layer Media (8x/2.4x) Mitsubishi (Verbatim)
• DVD+RW Media (8x/4x/2.4x) Mitsubishi (Verbatim), Ricoh, TDK
• DVD-R Media (16x/8x/4x/2x) Mitsubishi (Verbatim), TDK, Taiyo-
Yuden, PVC, Fuji Film, Ritek
• DVD-R DL Media (8x/4x) Mitsubishi (Verbatim)
• DVD-RW Media (6x/4x/2x/1x) JVC, PVC, Mitsubishi (Verbatim), TDK
• DVD-RAM Ver2.2 Media (5x/3x/2x) Panasonic, Hitachi Maxell
Power Supply +5V (DC)
Voltage Allowance +5V (DC) ±5%
Item Specification
Type GMT G781
Features
• Thermal sensor control
• Interface I
2
C bus, address: 98h
Package 8 pin MSOP
Item Specification
Type Winbond W25X80, 1Mb CMOS Boot Block Flash Memory
Features
• One 8-pin soic package 1M BIT FLASH ROMis used for BIOS, keyboard
encoder and power controller codes. It occupies system memory area
E0000-FFFFF. After posting system, the shadow RAM function will be
enabled
• 64 KB per block
Power Supply current Active current = 15 mA (Typical)
Power-down current= 4 µA (Typical)
Package 8 pin SOIC
Item Specification