PC Specialist's Handbook ErgoPro e-, x- and s- Series
First Edition, Release 4 - June 1998 Page 83
General (Continued)
x451/XXs x651/XXs s450/133n s650/133
Socket type
320 pin ZIF socket type 5
Second level cache
512kB pipeline burst synchronous, Direct
mapped, write-back
512kB asynchronous Direct mapped, write-
back
Video
Matrox millenium PCI bus video adapter
board
ICL ErgoGrafix 664 PCI bus video adapter
board
Audio
16bit Aztech MM Pro ISA board On-system board
Power master
3 3 3 3
Instant On
Yes Yes Yes Yes
Theft prevention
Yes Yes Yes Yes
HD silencer
Yes Yes Yes Yes
LAN
ICL PCI ethernet-module
SCSI
Adaptec 2940U PCI
card
Adaptec 2940U PCI
card
No Adaptec 2940 PCI
card
Serial ports
Two 16C550
compatible serial
ports, with 9-pin
male connectors
(Fail safe, with 16
byte FIFO)
Two 16C550
compatible serial
ports, with 9-pin
male connectors
(Fail safe, with 16
byte FIFO)
Two 16C550
compatible serial
ports, with 9-pin
male connector
(Fail safe, with 16
byte FIFO)
Two 16C550
compatible serial
ports, with 9-pin
male connectors
(Fail safe, with 16
byte FIFO)
IDE disks
Architecture & configuration
251 450/451 650/651
Chip set
OPTI Viper M, 82C556M, 82C557M and 82C558M
Memory banks
2 with EDO DRAM and Fast Page DRAM support
SIMM modules/bank
2
BIOS
128kB Boot Block Flash RAM, ICL Platform with Plug and Play functions
Keyboard controller
ICL platform
Floppy drives
None, 720kB, 1.44MB and 2.88MB (3.5"), 360kB and 1.2MB (5.25")
Hard disk interface
PCI bus enhanced IDE interface with two connectors (support for four IDE devices), PIO
modes 0 to 4 and DMA modes 0 to 2
Parallel port
One bi-directional parallel port with 25-pin female connector (SPP, ECP and EPP)
Architecture/expansio
n slots
1 PCI (32b)
1 PCI/ISA (32/16b)
1 PCI (32b),
1 PCI/ISA (32/16b)
2 ISA (16b)
3 PCI (32b)
3 ISA (16b)
NOTE ! The lowest slot can not take full length boards, maximum length of board is
170mm.
Power supply
75W 115/230V, 48Hz to
63Hz
120W 115/230V, 48Hz to
63Hz
200W 115/230V, 48Hz to
63Hz
All power supplies have the monitor outlet connected directly to the mains voltage (without
power switch)
FAN
One FAN to circulate the air inside the housing. The rotation speed of the FAN is
temperature controlled. In 2-slot and 6-slot system the control logic is on the system board
and in 4-slot system in the Power Supply
Dimensions
Width
352mm 368mm 205mm
Height
80mm 112mm 340mm (350mm with stand)
Depth
430mm 432mm 440mm
Weight
5.2/6.2kg 8 to 12kg 11 to 15kg
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