Technical information

20 OpenBook 1849
LAN Interface
Item Specification
Chipset Realtek 8101L
Supports LAN protocol 10/100 Mbps
LAN connector type RJ45
LAN connector location Rear side
Modem Interface
Item Specification
Chipset Askey 1456VQL4A
Fax modem data baud rate (bps) 14.4K
Data modem data baud rate (bps) 56K
Supports modem protocol V.92 MDC
Modem connector type RJ11
Modem connector location Rear side
Hard Disk Drive Interface
Item Specification
Vendor & Model Name Hitachi 40G IC25N040ATMR04 Hitachi 80G IC25N080ATMR04
Capacity (MB) 40G 80G
Bytes per sector 512 512
Data heads 2 4
Recording zone 16 16
Drive Format
Disks 1 2
Spindle speed (RPM) 4200 RPM 4200 RPM
Performance Specifications
Buffer size 2048 KB - Upper 308 KB is used for
firmware
8192 KB - Upper 308 KB is used for
firmware
Interface ATA/ATAPI-6 (E-IDE) ATA/ATAPI-6 (E-IDE)
Max. media transfer rate (disk-buffer,
Mbytes/s)
350 TYP 350 TYP
Data transfer rate (host~buffer,
Mbytes/s)
100 MB/Sec.
(Ultra DMA 100)
100 MB/Sec.
(Ultra DMA 100)
DC Power Requirements
Voltage tolerance 5V(DC) +/- 5% 5V(DC) +/- 5%
DVD-ROM Interface
Item Specification
Vendor & model name MKE SR-8177 W/K3
Performance Specification With CD Diskette With DVD Diskette