Table of Contents
Advertisement
v Minimum configuration is either one 600 MHz processor, which has 2 MB of L2
cache, or one 750 MHz processor, which has 8 MB of L2 cache.
v Two or four 600 MHz processors, each with 4 MB of L2 cache.
v Two or four 750 MHz processors, each with 8 MB of L2 cache.
Memory
v 256 MB (minimum) to 32 GB (maximum)
v One or two memory riser cards; each riser card has sixteen sockets. 128 MB, 256
MB, 512 MB, and 1 GB dual inline memory modules (DIMMs) are available.
v Certain 32 MB DIMMs from older RS/6000 systems can also be used when
upgrading the system memory.
Power is provided to the system rack through an ac power cord that is connected to a
distribution bus. Power is connected from the distribution bus to each drawer
independently. All drawers use 200 - 240 V ac power or -48 V dc power.
The primary I/O drawer has the following:
v 14 PCI slots
v System operator panel
v SPCN controller
v Interrupt and system bus control logic
v Service processor
v Optional boot DASDs
v Various connectors, including four serial port connectors, on the back of the drawer
for the attachment of external devices.
Note: Serial ports 1 and 2 can only be used to access the service processor menus.
The PCI bus speeds are as follows:
v Up to 33 Mhz for the four 32-bit slots at 5 V
v Up to 66 Mhz for the ten 64-bit slots at 3.3 V
Slots 1-5, 8-10, 13 and 14 support either 32- or 64-bit PCI adapters. The remaining
slots are 32-bit only.
The primary I/O drawer has space for up to three media devices (tape, CD-ROM, and
diskette drive). Two optional disk drives can occupy PCI slots 13 and 14.
The system data flow diagrams are shown in "Data Flow with One-Way Processor" on
page 3 and "Data Flow with Two- to Six-Way Processor" on page 4.
2
Service Guide
No "heartbeat"-type devices or cables can be used on these ports.
"Heartbeat"-type devices or cables must be installed on serial port 3 or serial
port 4.
Advertisement
Table of Contents
