Small Form Factor and Convertible Minitower
Small Form Factor and Convertible MinitowerSmall Form Factor and Convertible Minitower
Small Form Factor and Convertible Minitower
Maximum Memory*
Maximum Memory*Maximum Memory*
Maximum Memory*
Supports up to 8 GB of DDR2 SYNCH DRAM.
Slot 1 is black and must always be populated. Not all
memory configurations possible are represented below.
NOTE:
NOTE: NOTE:
NOTE:
For systems configured with more than 3 GB of memory and a 32-bit operating system, all
memory may not be available due to system resource requirements.
Addressing memory above 4 GB requires a 64-bit operating system.
DIMM Size
DIMM SizeDIMM Size
DIMM Size
Slot
SlotSlot
Slot
Channel A
Channel AChannel A
Channel A
Channel B
Channel BChannel B
Channel B
1
11
1
(black)
2
22
2
(white)
3
33
3
(white)
4
44
4
(white)
512-MB
512-MB512-MB
512-MB
512-MB
1-GB
1-GB1-GB
1-GB 1-GB
1-GB
1-GB1-GB
1-GB
(dual-channel
symmetric)
512-MB
512-MB
2-GB
2-GB2-GB
2-GB
(dual-channel
symmetric)
1-GB
1-GB
2-GB
2-GB2-GB
2-GB
(dual-channel
symmetric)
512-MB 512-MB 512-MB 512-MB
4-GB
4-GB 4-GB
4-GB
(dual-channel
symmetric)
1-GB 1-GB 1-GB 1-GB
8-GB maximum
8-GB maximum8-GB maximum
8-GB maximum
(dual-channel symmetric)
2-GB 2-GB 2-GB 2-GB
*
The Intel Q35 Express chipset includes a built-in Management Engine (ME), which allocates memory for manageability functions.
Management Engine memory is shared with system memory. If the PC contains a single DIMM, 16 MB of memory is pre-allocated for
it at system startup. If the PC contains two DIMMs, 32 MB of memory is pre-allocated. This memory is not made available to the
operating system, just as pre-allocated video memory is not available.
Memory Configurations
Memory Configurations Memory Configurations
Memory Configurations
–
One of the following*
USDT
USDTUSDT
USDT
SFF
SFFSFF
SFF
CMT
CMTCMT
CMT
512-MB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (1 x 512)
X X X
1-GB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (1 x 1GB)
X X X
1-GB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (2 x 512)
X X X
2-GB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (1 x 2GB)
X X X
2-GB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (2 x 1GB)
X X X
2-GB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (4 x 512)
X X
3-GB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (3 x 1GB)
X X
4-GB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (4 x 1GB)
X X
4-GB DDR2 Synch Dram PC2-6400 (800-MHz) Non ECC (2 x 2GB)
X
512-MB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (1 x 512)
X X X
1-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (1 x 1GB)
X X X
1-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (2 x 512)
X X X
2-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (1 x 2GB)
X X X
2-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (2 x 1GB)
X X X
2-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (4 x 512)
X X
3-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (3 x 1GB)
X X
4-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (4 x 1GB)
X X
QuickSpecs
HP Compaq dc7800 Business PC
HP Compaq dc7800 Business PCHP Compaq dc7800 Business PC
HP Compaq dc7800 Business PC
Standard Features and Configurable Components
DA - 12744 North America — Version 2 — September 6, 2007
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