11
Chapter 1: General information
•
2,048 MB (or greater) double data-rate synchronous dynamic
random access memory (SDRAM).
•
40 GB (or greater) internal hard drive, with advanced technology
attachment (ATA-100) integrated drive electronics interface
operating at 7,200 rpm.
•
1.44 MB 3.5-inch slim-type disk drive.
•
48X read speed slim-type CD-RW and 32X read speed DVD
combination drive, data only.
•
56K PCI internal data and fax modem, using the V .92 dial-up
specification.
•
Video graphics array (VGA) capable 32 MB graphics card.
NIC with two 10/100 Mbps Ethernet adapters using RJ-45
connectors.
Ethernet hub (optional)
The management server and managed switches connect through a
10/100 Base-T Ethernet hub.
Figure 3
illustrates the 24-port hub.
.
Figure 3
24-Port Ethernet hub
Hubs can be daisy-chained to provide additional connections as more
switches (or other IBM-managed products) are installed on a
network. Multiple hubs are daisy-chained by attaching RJ-45 Ethernet
patch cables and configuring each hub through a medium-
dependent interface (MDI) switch.
®
3
com
1
2 3
4
6
7
8
9 10
11 12
22
23 24
21
20
19
18
17
16
15
14
13
Power
100M
Collisi
on
Port Status
Green - 100M,
Yellow - 10M, Flash -
Activity
MID
Baseline 10/100 Hub
3C1641
1
SuperSta
ck 3
®
21
20
9
12
24
8
5
17
4
16
1
13
MDIX
10M
5
i140M006
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