
A+ Server 1020A-T User's Manual
1-2
1-2 Serverboard Features
At the heart of the 1020A-T lies the H8DAR-T a dual processor serverboard de-
signed to provide maximum performance. The H8DAR-T is based on the AMD
8132/8111 chipset. Below are the main features of the H8DAR-T. See Figure 1-1
for a system block diagram of the chipset.
Processors
The H8DAR-T supports single or dual 940-pin AMD Opteron
TM
200 series pro-
cessors. Please refer to our web site for a complete listing of supported proces-
sors.
Memory
The H8DAR-T has eight 184-pin DIMM slots that can support up to 32 GB of reg-
istered ECC DDR266 or up to 16 GB of registered ECC DDR400/333 SDRAM.
Note: The maximum memory capacity is halved if only one processor is installed.
Memory is supported in both interleaved and non-interleaved confi gurations. See
Section 5-6 for details.
Serial ATA
A Marvell 88SX6041 "Hercules II" SATA controller is integrated onboard the
H8DAR-T to provide a four-port Serial ATA subsystem, which is RAID 0 and 1
supported. The Serial ATA drives are hot-swappable units.
Note: The operating system you use must have RAID support to enable the hot-
swap capability and RAID function of the Serial ATA drives.
PCI Expansion Slots
Two riser cards have been included with the server to support add-on PCI ex-
pansion cards. The CSE-RR1U-X riser fi ts into the 133 MHz PCI-X #6 slot on
the H8DAR-T to support a full-height, half-length PCI-X add-on card. The CSE-
RR1U-XLP fi ts into the 133 MHz PCI-X #7 slot to support one low profi le PCI-X
add-on card.
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