PCChips M558
Also known as: EURONE EM-5558 PC Wave M558 Elpina M558
Form factor
Baby-AT (max 220 x 330mm)
PSU connector
AT-Style (P8-P9)
Chipset
Chipset parts
UTron/HiNT UT85C501 UTron/HiNT UT85C502
Dimensions
254mm x 218mm
CPU socket
Socket 7 (PGA321)
CPU platforms
Pentium (P54)Pentium MMX (P55)
Supported FSB speeds
50MHz, 60MHz, 66MHz, 75MHz, 83MHz
Cache
256 KB , 512 KB
Supported RAM size
128 MB
Supported RAM type
72-pin EDO
I/O ports
1x 
Floppy interface
2x 
IDE interface
1x 
Parallel
2x 
Serial
1x 
AT Keyboard
Expansion slots
4x 
32-bit PCI
3x 
16-bit ISA

Notes

Early editions have the chipset marked as MMXPro and have UMC I/O, later they are marked as VXPro II with SMC I/O.

Last updated 2022-11-22T13:18:50Z
drv Drivers: not available
BIOS images: 5 files
Manuf.
POST String
Note
Core Ver.
BIOS Ver.
AMI
51-0830-001437-00101111-071595-UT801X
071595
AMI
51-0609-001437-00101110-071595-558
PCB V1.9
071595
AMI
51-0421-001437-00111111-071595-558
PCB V1.3
071595
AMI
51-0225-001437-00101111-071595-558
PCB V1.3 beta
071595
AMI
51-0830-001437-00111111-071595-UT801X
071595
doc Documentation: 3 entries
Model
Speed
FSB
Voltages
L1 Cache
L2 Cache
L3 Cache
Core
Process
TDP
AMD K5 PR200
133MHz
66MHz
3.5V
24KB
-
-
5k86
350nm
-
AMD K5 PR100
100MHz
66MHz
3.5V
24KB
-
-
SSA/5
350nm
15W
AMD K5 PR133
100MHz
66MHz
3.5V
24KB
-
-
5k86
350nm
14W
AMD K5 PR90
90MHz
60MHz
3.5V
24KB
-
-
SSA/5
350nm
14W
AMD K5 PR120
90MHz
60MHz
3.5V
24KB
-
-
5k86
350nm
12W
AMD K5 PR75
75MHz
50MHz
3.5V
24KB
-
-
SSA/5
350nm
-
AMD K6 233
233MHz
66MHz
2.2V
64KB
-
-
Little Foot
250nm
13W
AMD K6 233
233MHz
66MHz
3.2V
64KB
-
-
Model 6
350nm
28W
AMD K6 233
233MHz
66MHz
3.3V
64KB
-
-
Model 6
350nm
30W
AMD K6 200
200MHz
66MHz
2.2V
64KB
-
-
Little Foot
250nm
12W
AMD K6 200
200MHz
66MHz
2.9V
64KB
-
-
Model 6
350nm
20W
AMD K6 166
166MHz
66MHz
2.9V
64KB
-
-
Model 6
350nm
17W
Cyrix 6x86 P200+
150MHz
75MHz
3.3V
16KB
-
-
M1
440nm
-
Cyrix 6x86 P166+
133MHz
66MHz
3.3V
16KB
-
-
M1
650nm
-
Cyrix 6x86 P150+
120MHz
60MHz
3.3V
16KB
-
-
M1
650nm
-
Cyrix 6x86 P120+
100MHz
50MHz
3.3V
16KB
-
-
M1
650nm
-
Cyrix 6x86 100
100MHz
50MHz
3.3V
16KB
-
-
M1
650nm
-
Cyrix 6x86MX PR233
166MHz
83MHz
2.9V
64KB
-
-
M2
350nm
-
Cyrix 6x86MX PR200
150MHz
75MHz
2.9V
64KB
-
-
M2
350nm
-
Cyrix 6x86L PR200+
150MHz
75MHz
2.8V
16KB
-
-
M1L
350nm
-
Cyrix 6x86MX PR300
233MHz
66MHz
2.9V
64KB
-
-
M2
250nm
-
Cyrix 6x86MX PR233
200MHz
66MHz
2.9V
64KB
-
-
M2
350nm
-
Cyrix 6x86MX PR200
166MHz
66MHz
2.9V
64KB
-
-
M2
350nm
-
Cyrix 6x86MX PR166
133MHz
66MHz
2.9V
64KB
-
-
M2
350nm
-
Cyrix 6x86MX PR150
133MHz
66MHz
2.9V
64KB
-
-
M2
350nm
-
Cyrix 6x86L PR166+
133MHz
66MHz
2.8V
16KB
-
-
M1L
350nm
-
Cyrix 6x86MX PR166
150MHz
60MHz
2.9V
64KB
-
-
M2
350nm
-
Cyrix 6x86L PR150+
120MHz
60MHz
2.8V
16KB
-
-
M1L
350nm
-
Cyrix 6x86L PR120+
100MHz
50MHz
2.8V
16KB
-
-
M1L
350nm
-
Cyrix 6x86L P120+
100MHz
50MHz
2.8V
16KB
-
-
M1L
500nm
-
IDT WinChip C6 200
200MHz
66MHz
3.52V
64KB
-
-
-
350nm
13W
IDT WinChip C6 180
180MHz
60MHz
3.52V
64KB
-
-
-
350nm
11W
Intel Pentium 200
200MHz
66MHz
3.3V
16KB
-
-
P54CS
350nm
-
Intel Pentium 166
166MHz
66MHz
3.3V
16KB
-
-
P54CS
350nm
-
Intel Pentium 133
133MHz
66MHz
3.3V
16KB
-
-
P54CS
350nm
-
Intel Pentium 100
100MHz
66MHz
3.3V
16KB
-
-
P54C
600nm
-
Intel Pentium 150
150MHz
60MHz
3.3V
16KB
-
-
P54CS
350nm
-
Intel Pentium 120
120MHz
60MHz
3.3V
16KB
-
-
P54C
600nm
-
Intel Pentium 90
90MHz
60MHz
3.3V
16KB
-
-
P54C
600nm
-
Intel Pentium 75
75MHz
50MHz
3.3V
16KB
-
-
P54C
600nm
-
Intel Pentium MMX 233
233MHz
66MHz
2.8V
32KB
-
-
P55C
350nm
-
Intel Pentium MMX 200
200MHz
66MHz
2.8V
32KB
-
-
P55C
350nm
-
Intel Pentium MMX 166
166MHz
66MHz
2.8V
32KB
-
-
P55C
350nm
-
No NPUs listed.

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