IBM 4840-563 System Reference - Page 21

Indicators, User Control, Tower Logic, Processor, 8245GV Memory Controller Hub, (GMCH)

Page 21 highlights

Indicators Function Power Color Green Location Tower Front HDD Ethernet Yellow Green Tower Front Rear (Ethernet connector) State Off -System Off Blinking - Standby/during POST On - Operational Off - NO activity Blinking - HDD activity Left LED States - Off - 10 Mb mode - On - 100 Mbit Right LED States - Off - No link - On - Good Link User Control Function Power Color White Brightness Blue Actuation Momentary Momentary Chapter 5 Tower Logic Location Behind access door on tower Tablet Operation Toggles state between OFF and ON 2 buttons, bright up/down 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 81 Page 21 of

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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
y
Intel mPGA478 Pentium 4 Socket
y
400/533MHz PSB (100/133 MHz external bus clock)
y
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)
y
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
y
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
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