1.2 System Unit Block Diagram 1 Hardware Overview
Memory
Two BTO-compatible expansion memory slots are provided. Expansion up to 2GB
(2,048MB) is available.
• DDR-SDRAM (Double Data Rate - Synchronous DRAM)
• 128 MB/256 MB/512 MB/1,024MB(1GB) selectable
– 128 MB (16M×16bit×4)
– 256 MB (16M×16bit×8)
– 512 MB (32M×8bit×16)
– 1,024MB (32M×16bit 8)
• 200 pin, SO Dual In-line Memory Modules (SO-DIMM)
• 2.5 volt operation
• Supports DDR CL2/2.5
• Supports PC2100 only
Intel Odem (North Bridge)
• One Intel 82845MP is used.
• Features:
– Banias Processor System Bus Support
– DRAM Controller: DDR200/DDR266 Support, 1GB max
– Accelerated Graphics Port Interface: adheres to AGP2.0, AGP×4 mode
– Hub Link Interface
– 593-ball 37.5×37.5 mm FC-BGA package
Intel ICH4-M (South Bridge)
• One Intel 82801LAM is used.
• This gate array has the following features:
– Hub Link Interface
– PCI Rev2.2 Interface (6 PCI REQ/GNT Pairs)
– BusMaster IDE Controller (Ultra ATA 100/66/33)
– USB 1.1/2.0 Controller 6 Prots (EHCI: Enhanced Host Controller)
– I/O APIC (ACPI 1.06)
– SMBus2.0 Controller
– FWH Interface (BIOS)
– LPC Interface (EC/KBC, Super I/O)
– IRQ Controller
– Serial Interrupt Controller
– Power Management Controller
– Deeper Sleep (C4) Support
– Suspend/Resume Control
– AC'97 2.2 Interface
– Internal RTC
TECRA M1 Maintenance Manual (960-436) 1-11