Dell PowerEdge 2300 Service Manual - Page 27

Adaptec AIC-7890 Ultra2/LVD Fast-40 con

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Architecture DIMM sockets DIMM capacities Standard RAM Maximum RAM BIOS address External cache 72-bit (64 data bits plus 8 ECC bits), unbuffered SDRAM DIMMs or registered SDRAM DIMMs. DIMMs must be rated for 100-MHz operation. four 168-pin sockets 64 and 128 MB (unbuffered); 256 MB (registered) 64 MB (minimum) 1 GB F000:0000h-F000:FFFFh none Types Adaptec AIC-7890 Ultra2/LVD (Fast-40) controller, with integrated 68-pin SCSI connector on the system board; Adaptec AIC-7860 Ultra/Narrow controller, with integrated 50-pin SCSI connector on the system board Externally accessible bays Internally accessible bays one 3.5-inch bay dedicated to a diskette drive; one 5.25-inch bay (upper bay) containing a CD-ROM drive; two 5.25-inch bays for optional devices four or six bays for SCSI hard-disk drives Externally accessible: Serial (DTE Parallel Video PS/2-style keyboard . . . . PS/2-compatible mouse server-management bus daisy-chain connector. . . two 9-pin connectors; 16550-compatible one 25-hole connector (bidirectional) one 15-hole connector (VGA compatible) 6-pin mini-DIN 6-pin mini-DIN two modular 8-pin connectors System Overview 1-17

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System Overview
1-17
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Architecture . . . . . . . . . . . . .
72-bit (64 data bits plus 8 ECC bits), unbuf-
fered SDRAM DIMMs or registered SDRAM
DIMMs.
DIMMs must be rated for 100-MHz
operation.
DIMM sockets . . . . . . . . . . .
four 168-pin sockets
DIMM capacities . . . . . . . . .
64 and 128 MB (unbuffered);
256 MB (registered)
Standard RAM . . . . . . . . . . .
64 MB (minimum)
Maximum RAM . . . . . . . . . .
1 GB
BIOS address. . . . . . . . . . . .
F000:0000h–F000:FFFFh
External cache . . . . . . . . . . .
none
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Types . . . . . . . . . . . . . . . . . .
Adaptec AIC-7890 Ultra2/LVD (Fast-40) con-
troller, with integrated 68-pin SCSI connector
on the system board;
Adaptec AIC-7860 Ultra/Narrow controller,
with integrated 50-pin SCSI connector on the
system board
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Externally accessible
bays . . . . . . . . . . . . . . . . . . .
one 3.5-inch bay dedicated to a diskette drive;
one 5.25-inch bay (upper bay) containing a
CD-ROM drive; two 5.25-inch bays for op-
tional devices
Internally accessible
bays . . . . . . . . . . . . . . . . . . .
four or six bays for SCSI hard-disk drives
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Externally accessible:
Serial (DTE) . . . . . . . . . .
two 9-pin connectors; 16550-compatible
Parallel . . . . . . . . . . . . . .
one 25-hole connector (bidirectional)
Video . . . . . . . . . . . . . . .
one 15-hole connector (VGA compatible)
PS/2-style keyboard . . . .
6-pin mini-DIN
PS/2-compatible
mouse . . . . . . . . . . . . . .
6-pin mini-DIN
server-management bus
daisy-chain connector. . .
two modular 8-pin connectors
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