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IBM 4840-563 - Chapter 5: Tower Logic Components; Processor, Memory, and I;O Hubs

IBM 4840-563
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Indicators
Function Color Location State
Power Green Tower Front Off -System Off
Blinking - Standby/during POST
On - Operational
HDD Yellow Tower Front Off - NO activity
Blinking - HDD activity
Ethernet Green Rear (Ethernet
connector)
Left LED States
Off - 10 Mb mode
On - 100 Mbit
Right LED States
Off - No link
On - Good Link
User Control
Function Color Actuation Location Operation
Power White Momentary Behind access door on
tower
Toggles state between
OFF and ON
Brightness Blue Momentary Tablet 2 buttons, bright
up/down
Chapter 5 Tower Logic
Processor
Intel mPGA478 Pentium 4 Socket
400/533MHz PSB (100/133 MHz external bus clock)
1.8GHz - 2.8GHz Processor speeds
Processor support is limited to Pentium 4 2.4 GHz by thermal and power supply considerations.
8245GV Memory Controller Hub, (GMCH)
System Memory Controller
PC2100 (DDR266) (PC1600 (DDR200) not supported)
– Non-ECC, unbuffered DIMMs
2GB total memory; 2 DIMM sockets
- No double sided, x16 DDR sdram supported
Supported DIMM sizes: 128MB, 256MB, 512 MB, 1 GB
Integrated Extreme Graphics 3D Controller
256 bit engine
64 MB maximum UMA video memory
– Synchronous LCD/CRT support
– LVDS Panel support
Video Support Implementation Notes:
SurePOS 500 Model XX3 Technical Reference, v 1.3 Page 21 of
81

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