Toshiba TECRA 9100 Series Maintenance Manual page 27

1.2 System Unit Block Diagram
AccuPoint II Controller (IPSC)
• One 3DA3DT336B chip is used.
• This controller provides simultaneous control of both the AccuPoint II and a
PS/2 mouse.
PSC (Power Supply Controller)
• One TMP87PM48U chip is used.
• This controller controls the power sources.
RS232 Driver
• One MAXIM3243 chip is used.
• This driver converts signals for interface with external equipment.
2
E PROM
• One BR93LC46F-WE2 is used for LAN MAC address.
• One M24C02 equivalent (128 words x 16-bit, I
ID.
Clock Generator
• One ICS950805BGT is used.
• This device generates the system clock.
Modem Controller
• One built-in modem card with Xircom Lucent SCORPIO+CSP1037B is used.
• This controller has the following functions:
− Digital line protection support
− Ring wake up support
− AC97 interface
− The following communication codes are supported
Data:
V.90 (56K bps) data communication control
V.34 (33.6 K~2400)
V.32 bis (14.4K, 12K, 9600)
V.22 bis (2400, 1200)
V.22 (1200)
V.23 (1200, 600, 75)
V.21 (300)
Fax:
V.17 (14.4K, 12K, 9600, 7200)
V.29 (9600, 7200, 4800)
V.27 ter (4800, 2400)
V.21 ch2 (300)
TECRA 9100 Maintenance Manual (960-347)
1 Hardware Overview
2
C-Interface) is used for 1394
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